1
Pushbutton Switches
A22NN/A22NL
22-mm Pushbutton Switches
Universal Design.
Emphasis on Color Coding, Workability,
and Safety.
Easy to Use
• You can connect up to three Contact Blocks in one stage for
multistage expansion.
• The terminals can be retightened when Contact Blocks are
stacked.
• Contact Blocks can be attached in any direction for easy
assembly.
• Screw terminal structure is compatible with round crimp
terminals.
Safety
• Easy-to-operate lock lever for secure locking.
• Easy-mounting Contact Blocks provide finger protection.
•Different colors of Contact Blocks (NO: blue, NC: orange)
help prevent wiring errors.
Product Lineup
• Meet global safety standards.
• Available with metal or plastic bezels.
• Many color variations.
• Standard-feature degree of protection: IP66, NEMA 4X, and NEMA 13.
Button Colors
*The colors when the Switches are lit are for transparent white buttons (code: TW) and yellow LED Lamps (code: Y).
Non-lighted
Switches
A22NN-
-N
Opaque
Red Green Yellow White Blue Black
A22NN-
-U
Transparent
Red Green Yellow White Blue Orange
Lighted
Switches
A22NL-
-T
Transparent
When
not lit
Red Green Yellow White Blue Orange White
When lit
Red Green Yellow White Blue Orange Opaque
white*
Refer to Safety Precautions for All Pushbutton Switch-
es/Indicators and Safety Precautions on page 23.
A22NN/A22NL
2
List of Models
Plastic bezels Brushed metal bezels Metal bezels
A22N-BN A22N-MN A22N-RN
Flat Flat Flat
A22N-BP A22N-MP A22N-RP
Projected Projected Projected
A22N-BG A22N-MG
Full guard Full guard
Note: Not all assembled configurations are possible.
Please refer to the subassemblies section for additional options.
Please refer to the specifications section for examples of linked contact block options.
A22NN/A22NL
3
Model Number Structure
Model Number Legend - - - - - Shipped as a set that includes the Operation Unit, LED Lamp, Mounting Collar, and Contact Block.
For information on combinations, refer to Ordering Information on pages 4 to 7.
Model Numbers for Sets
(1) (2) (3) (4) (5) (6) (7) (8) (9)
A22N L - BN M - TR A - G 100 - R B
(1) Type
(2) Bezel Material and Button Shape
(3) Switch Action
(4) Button Transparency and Color and (8) LED Lamp Color
*The color is opaque white when the Switch is lit.
Code Description
N Non-lighted
L Lighted
Code Bezel material Button shape
BN Plastic Flat
BP Plastic Projected
BG Plastic Full guard
MN Brushed metal Flat
MP Brushed metal Projected
MG Brushed metal Full guard
RN Metal Flat
RP Metal Projected
Code Description
M Momentary
A Alternate
Lighted/non-lighted Code (4) Code (8) Transparency Button color LED lamp
color
Non-lighted
NR N Opaque Red
---
NG N Opaque Green
NY N Opaque Yellow
NW N Opaque White
NA N Opaque Blue
NB N Opaque Black
Lighted
TR R Transparent Red Red
TG G Transparent Green Green
TY Y Transparent Yellow Yellow
TW W Transparent White White
TA A Transparent Blue Blue
TO O Transparent Orange Orange
TW Y Transparent White * Yellow
(5) Degree of Protection
(6) Contact Specification
(7) Contacts
Note: 1. NO (blue): Normally open, NC (orange):
Normally closed.
2. Refer to the following figure for Unit positions.
(9) LED Lamp Voltage
Code Description
A IP66, NEMA 4X, NEMA13
Code Description
G General purpose
Code
Contact
Blocks
Unit position
Non-lighted Lighted
NO NC (1) (2) (3) (1) (2) (3)
100 1 0 NO --- --- NO Lighting Unit ---
002 0 1 --- --- NC --- Lighting Unit NC
101 2 0 NO --- NO NO Lighting Unit NO
102 1 1 NO --- NC NO Lighting Unit NC
202 0 2 NC --- NC NC Lighting Unit NC
Code LED Lamp voltage
N Non-lighted
B 12 VAC/DC
C 24 VAC/DC
D 100/110/120 VAC
■Specifications: Refer to page 15. ■Precautions for correct use: Refer to page 23.
■Dimensions: Refer to page 17. ■Accessories and tools: Refer to page 13.
Note: Not all assembled configurations are possible.
Please refer to the subassemblies section for additional options.
Please refer to the specifications section for examples of linked contact block options.
A22NN/A22NL
4
Ordering Information
Model Numbers for Sets - - - - Shipped as a set that includes the Operation Unit, LED Lamp, Mounting Collar, and Contact Block.
Non-lighted, Flat Switches
Lighted, Flat Switches
Note: Normally, the Button and LED Lamp with the same color are combined.
However, opaque white is available by combining a white Button and yellow LED. A22N--TWA-G-Y
Appearance Contacts Momentary action (self-resetting) Alternate action (self-holding) (2)(2)
Button color
(7)(7)(7)
Contacts
Model Model
Plastic bezels 1A22NN-BNM-(2)(2)A-G(7)(7)(7)-NN A22NN-BNA-(2)(2)A-G(7)(7)(7)-NN
NR: Opaque, red
NG: Opaque, green
NY: Opaque, yellow
NW: Opaque, white
NA: Opaque, blue
NB: Opaque, black
100
002
2A22NN-BNM-(2)(2)A-G(7)(7)(7)-NN A22NN-BNA-(2)(2)A-G(7)(7)(7)-NN
101
102
202
Brushed metal
bezels
1A22NN-MNM-(2)(2)A-G(7)(7)(7)-NN A22NN-MNA-(2)(2)A-G(7)(7)(7)-NN 100
002
2A22NN-MNM-(2)(2)A-G(7)(7)(7)-NN A22NN-MNA-(2)(2)A-G(7)(7)(7)-NN
101
102
202
Metal bezels 1A22NN-RNM-(2)(2)A-G(7)(7)(7)-NN A22NN-RNA-(2)(2)A-G(7)(7)(7)-NN 100
002
2A22NN-RNM-(2)(2)A-G(7)(7)(7)-NN A22NN-RNA-(2)(2)A-G(7)(7)(7)-NN
101
102
202
Appearance Contacts
Momentary action
(self-resetting)
Alternate action
(self-holding) (2)(2)
Button color
(7)(7)(7)
Contacts
(8)
LED Lamp
color
(9)
LED Lamp voltage
Model Model
Plastic bezels 1
A22NL-BNM-
(2)(2)A-G(7)(7)(7)-(8)(9)
A22NL-BNA-
(2)(2)A-G(7)(7)(7)-(8)(9)
TR: Transparent, red
TG: Transparent, green
TY: Transparent, yellow
TW: Transparent, white
TA: Transparent, blue
TO: Transparent, orange
100
002
R: Red
G: Green
Y: Yellow
W: White
A: Blue
O: Orange
A: 6 VAC/DC
B: 12 VAC/DC
C: 24 VAC/DC
D: 100/110/120 VAC
E: 200/220/230/240 VAC
A22NL-BNM-
(2)(2)A-G(7)(7)(7)-(8)(9)
A22NL-BNA-
(2)(2)A-G(7)(7)(7)-(8)(9)
2
A22NL-BNM-
(2)(2)A-G(7)(7)(7)-(8)(9)
A22NL-BNA-
(2)(2)A-G(7)(7)(7)-(8)(9) 101
102
202
A22NL-BNM-
(2)(2)A-G(7)(7)(7)-(8)(9)
A22NL-BNA-
(2)(2)A-G(7)(7)(7)-(8)(9)
Brushed metal
bezels 1
A22NL-MNM-
(2)(2)A-G(7)(7)(7)-(8)(9)
A22NL-MNA-
(2)(2)A-G(7)(7)(7)-(8)(9) 100
002
A22NL-MNM-
(2)(2)A-G(7)(7)(7)-(8)(9)
A22NL-MNA-
(2)(2)A-G(7)(7)(7)-(8)(9)
2
A22NL-MNM-
(2)(2)A-G(7)(7)(7)-(8)(9)
A22NL-MNA-
(2)(2)A-G(7)(7)(7)-(8)(9) 101
102
202
A22NL-MNM-
(2)(2)A-G(7)(7)(7)-(8)(9)
A22NL-MNA-
(2)(2)A-G(7)(7)(7)-(8)(9)
Metal bezels 1
A22NL-RNM-
(2)(2)A-G(7)(7)(7)-(8)(9)
A22NL-RNA-
(2)(2)A-G(7)(7)(7)-(8)(9) 100
002
A22NL-RNM-
(2)(2)A-G(7)(7)(7)-(8)(9)
A22NL-RNA-
(2)(2)A-G(7)(7)(7)-(8)(9)
2
A22NL-RNM-
(2)(2)A-G(7)(7)(7)-(8)(9)
A22NL-RNA-
(2)(2)A-G(7)(7)(7)-(8)(9) 101
102
202
A22NL-RNM-
(2)(2)A-G(7)(7)(7)-(8)(9)
A22NL-RNA-
(2)(2)A-G(7)(7)(7)-(8)(9)
■Subassemblies: Refer to pages 8 to 12.
(You can order Operation Units, LED Lamps, Mounting Collars, and
Contact Blocks individually.)
■Specifications: Refer to page 15.■ Dimensions: Refer to page 17.
■Accessories and tools: Refer to page 13.
Note: Not all assembled configurations are possible.
Please refer to the subassemblies section for additional options.
Please refer to the specifications section for examples of linked contact block options.
A22NN/A22NL
5
Ordering Information
Model Numbers for Sets- - - Shipped as a set that includes the Operation Unit, LED Lamp, Mounting Collar, and Contact Block.
Non-lighted, Projected Switches
Lighted, Projected Switches
Note: Normally, the Button and LED Lamp with the same color are combined.
However, opaque white is available by combining a white Button and yellow LED. A22N--TWA-G-Y
Appearance Contacts Momentary action (self-resetting) Alternate action (self-holding) (2)(2)
Button color
(7)(7)(7)
Contacts
Model Model
Plastic bezels 1A22NN-BPM-(2)(2)A-G(7)(7)(7)-NN A22NN-BPA-(2)(2)A-G(7)(7)(7)-NN
NR: Opaque, red
NG: Opaque, green
NY: Opaque, yellow
NW: Opaque, white
NA: Opaque, blue
NB: Opaque, black
100
002
2A22NN-BPM-(2)(2)A-G(7)(7)(7)-NN A22NN-BPA-(2)(2)A-G(7)(7)(7)-NN
101
102
202
Brushed metal
bezels
1A22NN-MPM-(2)(2)A-G(7)(7)(7)-NN A22NN-MPA-(2)(2)A-G(7)(7)(7)-NN 100
002
2A22NN-MPM-(2)(2)A-G(7)(7)(7)-NN A22NN-MPA-(2)(2)A-G(7)(7)(7)-NN
101
102
202
Metal bezels 1A22NN-RPM-(2)(2)A-G(7)(7)(7)-NN A22NN-RPA-(2)(2)A-G(7)(7)(7)-NN 100
002
2A22NN-RPM-(2)(2)A-G(7)(7)(7)-NN A22NN-RPA-(2)(2)A-G(7)(7)(7)-NN
101
102
202
Appearance Contacts
Momentary action
(self-resetting)
Alternate action
(self-holding) (2)(2)
Button color
(7)(7)(7)
Contacts
(8)
LED Lamp
color
(9)
LED Lamp voltage
Model Model
Plastic bezels
1
A22NL-BPM-
(2)(2)A-G(7)(7)(7)-(8)(9)
A22NL-BPA-
(2)(2)A-G(7)(7)(7)-(8)(9)
TR: Transparent, red
TG: Transparent, green
TY: Transparent, yellow
TW: Transparent, white
TA: Transparent, blue
TO: Transparent, orange
100
002
R: Red
G: Green
Y: Yellow
W: White
A: Blue
O: Orange
A: 6 VAC/DC
B: 12 VAC/DC
C: 24 VAC/DC
D: 100/110/120 VAC
E: 200/220/230/240 VAC
A22NL-BPM-
(2)(2)A-G(7)(7)(7)-(8)(9)
A22NL-BPA-
(2)(2)A-G(7)(7)(7)-(8)(9)
2
A22NL-BPM-
(2)(2)A-G(7)(7)(7)-(8)(9)
A22NL-BPA-
(2)(2)A-G(7)(7)(7)-(8)(9) 101
102
202
A22NL-BPM-
(2)(2)A-G(7)(7)(7)-(8)(9)
A22NL-BPA-
(2)(2)A-G(7)(7)(7)-(8)(9)
Brushed metal
bezels 1
A22NL-MPM-
(2)(2)A-G(7)(7)(7)-(8)(9)
A22NL-MPA-
(2)(2)A-G(7)(7)(7)-(8)(9) 100
002
A22NL-MPM-
(2)(2)A-G(7)(7)(7)-(8)(9)
A22NL-MPA-
(2)(2)A-G(7)(7)(7)-(8)(9)
2
A22NL-MPM-
(2)(2)A-G(7)(7)(7)-(8)(9)
A22NL-MPA-
(2)(2)A-G(7)(7)(7)-(8)(9) 101
102
202
A22NL-MPM-
(2)(2)A-G(7)(7)(7)-(8)(9)
A22NL-MPA-
(2)(2)A-G(7)(7)(7)-(8)(9)
Metal bezels 1
A22NL-RPM-
(2)(2)A-G(7)(7)(7)-(8)(9)
A22NL-RPA-
(2)(2)A-G(7)(7)(7)-(8)(9) 100
002
A22NL-RPM-
(2)(2)A-G(7)(7)(7)-(8)(9)
A22NL-RPA-
(2)(2)A-G(7)(7)(7)-(8)(9)
2
A22NL-RPM-
(2)(2)A-G(7)(7)(7)-(8)(9)
A22NL-RPA-
(2)(2)A-G(7)(7)(7)-(8)(9) 101
102
202
A22NL-RPM-
(2)(2)A-G(7)(7)(7)-(8)(9)
A22NL-RPA-
(2)(2)A-G(7)(7)(7)-(8)(9)
■Subassemblies: Refer to pages 8 to 12.
(You can order Operation Units, LED Lamps, Mounting Collars, and
Contact Blocks individually.)
■Specifications: Refer to page 15.■ Dimensions: Refer to page 17.
■Accessories and tools: Refer to page 13.
Note: Not all assembled configurations are possible.
Please refer to the subassemblies section for additional options.
Please refer to the specifications section for examples of linked contact block options.
A22NN/A22NL
6
Ordering Information
Model Numbers for Sets - - - Shipped as a set that includes the Operation Unit, LED Lamp, Mounting Collar, and Contact Block.
Non-lighted, Full-guard Switches
Lighted, Full-guard Switches
Note: Normally, the Button and LED Lamp with the same color are combined.
However, opaque white is available by combining a white Button and yellow LED. A22N--TWA-G-Y
Appearance Contacts Momentary action (self-resetting) Alternate action (self-holding) (2)(2)
Button color
(7)(7)(7)
Contacts
Model Model
Plastic bezels 1A22NN-BGM-(2)(2)A-G(7)(7)(7)-NN A22NN-BGA-(2)(2)A-G(7)(7)(7)-NN
NR: Opaque, red
NG: Opaque, green
NY: Opaque, yellow
NW: Opaque, white
NA: Opaque, blue
NB: Opaque, black
100
002
2A22NN-BGM-(2)(2)A-G(7)(7)(7)-NN A22NN-BGA-(2)(2)A-G(7)(7)(7)-NN
101
102
202
Brushed metal
bezels
1A22NN-MGM-(2)(2)A-G(7)(7)(7)-NN A22NN-MGA-(2)(2)A-G(7)(7)(7)-NN 100
002
2A22NN-MGM-(2)(2)A-G(7)(7)(7)-NN A22NN-MGA-(2)(2)A-G(7)(7)(7)-NN
101
102
202
Appearance Contacts
Momentary action
(self-resetting)
Alternate action
(self-holding) (2)(2)
Button color
(7)(7)(7)
Contacts
(8)
LED Lamp
color
(9)
LED Lamp voltage
Model Model
Plastic bezels 1
A22NL-BGM-
(2)(2)A-G(7)(7)(7)-(8)(9)
A22NL-BGA-
(2)(2)A-G(7)(7)(7)-(8)(9)
TR: Transparent, red
TG: Transparent, green
TY: Transparent, yellow
TW: Transparent, white
TA: Transparent, blue
TO: Transparent, orange
100
002
R: Red
G: Green
Y: Yellow
W: White
A: Blue
O: Orange
C: 24 VAC/DC
D: 100/110/120 VAC
A22NL-BGM-
(2)(2)A-G(7)(7)(7)-(8)(9)
A22NL-BGA-
(2)(2)A-G(7)(7)(7)-(8)(9)
2
A22NL-BGM-
(2)(2)A-G(7)(7)(7)-(8)(9)
A22NL-BGA-
(2)(2)A-G(7)(7)(7)-(8)(9) 101
102
202
A22NL-BGM-
(2)(2)A-G(7)(7)(7)-(8)(9)
A22NL-BGA-
(2)(2)A-G(7)(7)(7)-(8)(9)
Brushed metal
bezels 1
A22NL-MGM-
(2)(2)A-G(7)(7)(7)-(8)(9)
A22NL-MGA-
(2)(2)A-G(7)(7)(7)-(8)(9) 100
002
A22NL-MGM-
(2)(2)A-G(7)(7)(7)-(8)(9)
A22NL-MGA-
(2)(2)A-G(7)(7)(7)-(8)(9)
2
A22NL-MGM-
(2)(2)A-G(7)(7)(7)-(8)(9)
A22NL-MGA-
(2)(2)A-G(7)(7)(7)-(8)(9) 101
102
202
A22NL-MGM-
(2)(2)A-G(7)(7)(7)-(8)(9)
A22NL-MGA-
(2)(2)A-G(7)(7)(7)-(8)(9)
■Subassemblies: Refer to pages 8 to 12.
(You can order Operation Units, LED Lamps, Mounting Collars, and
Contact Blocks individually.)
■Specifications: Refer to page 15.■ Dimensions: Refer to page 17.
■Accessories and tools: Refer to page 13.
Note: Not all assembled configurations are possible.
Please refer to the subassemblies section for additional options.
Please refer to the specifications section for examples of linked contact block options.
A22NN/A22NL
7
Ordering Information
Switch Structure - - - - You can order Operation Units, LED Lamp, Mounting Collars, and Contact Blocks individually. Use them in
combination for models that are not available as assembled Switches. They can also be used as inventory for
maintenance parts.
Lighted models
Non-lighted
models
LED Lamp
Mounting Collar
Reinforcement Plate
Note: Use a Reinforcement Plate for greater strength.
Contact Blocks Contact Blocks + Lighting Unit
Plastic Operation Units Brushed Metal Operation Units Metal Operation Units
■Model numbers of sets: Refer to pages 4 to 7. ■Specifications: Refer to page 15.■ Dimensions: Refer to page 17.
■Accessories and tools: Refer to page 13.
8
A22NN/A22NL
Model Number Structure
Model Number Legend - - - - - Shipped as a set that includes the Operation Unit, LED Lamp, Mounting Collar, and Contact Block.
For information on combinations, refer to Ordering Information on pages 4 to 7.
Model Numbers for Sets
(1) (2) (3) (4) (5)
A22N Z - BN M - NR A
(1) Type
(2) Bezel Material and Button Shape
(3) Switch Action
(4) Button Transparency and Color
Code Description
Z Individual unit
Code Bezel material Button shape
BN Plastic Flat
BP Plastic Projected
BG Plastic Full guard
MN Brushed metal Flat
MP Brushed metal Projected
MG Brushed metal Full guard
RN Shiny metal Flat
RP Projected
Code Description
M Momentary
A Alternate
Lighted/non-lighted Code (4) Transparency Button color
Non-lighted
NR Opaque Red
NG Opaque Green
NY Opaque Yellow
NW Opaque White
NA Opaque Blue
NB Opaque Black
Lighted
TR Transparent Red
TG Transparent Green
TY Transparent Yellow
TW Transparent White
TA Transparent Blue
TO Transparent
Orange
(5) Degree of Protection
Code Description
A IP66, NEMA 4X, NEMA13
■Specifications: Refer to page 15. ■Precautions for correct use: Refer to page 23.
■Dimensions: Refer to page 17. ■Accessories and tools: Refer to page 13.
Non-lighted
URRed
UGGreen
UYYellow
UWWhite
UABlue
UBBlack
Transparent
Transparent
Transparent
Transparent
Transparent
Transparent
TOTransparent
BMPlastic Mushroom
RM Mushroom
MMBrushed metal Mushroom
Shiny metal
Shiny metal
A22NN/A22NL
9
Ordering Information
Subassemblies - - - - -You can order Operation Units, LED Lamps, Mounting Collars, and Contact Blocks individually. Use them in
combination for models that are not available as assembled Switches. They can also be used as inventory for
maintenance parts.
Operation Units
Bezel material and button shape
Plastic, flat Plastic, projected
Switch Action Momentary Alternate Momentary Alternate
Lighted/
non-lighted Transparency Color Model Model Model Model
Non-lighted
Opaque Red A22NZ-BNM-NRA A22NZ-BNA-NRA A22NZ-BPM-NRA A22NZ-BPA-NRA
Opaque Green A22NZ-BNM-NGA A22NZ-BNA-NGA A22NZ-BPM-NGA A22NZ-BPA-NGA
Opaque Yellow A22NZ-BNM-NYA A22NZ-BNA-NYA A22NZ-BPM-NYA A22NZ-BPA-NYA
Opaque White A22NZ-BNM-NWA A22NZ-BNA-NWA A22NZ-BPM-NWA A22NZ-BPA-NWA
Opaque Blue A22NZ-BNM-NAA A22NZ-BNA-NAA A22NZ-BPM-NAA A22NZ-BPA-NAA
Opaque Black A22NZ-BNM-NBA A22NZ-BNA-NBA A22NZ-BPM-NBA A22NZ-BPA-NBA
Transparent Red A22NZ-BNM-URA A22NZ-BNA-URA A22NZ-BPM-URA A22NZ-BPA-URA
Transparent Green A22NZ-BNM-UGA A22NZ-BNA-UGA A22NZ-BPM-UGA A22NZ-BPA-UGA
Transparent Yellow A22NZ-BNM-UYA A22NZ-BNA-UYA A22NZ-BPM-UYA A22NZ-BPA-UYA
Transparent White A22NZ-BNM-UWA A22NZ-BNA-UWA A22NZ-BPM-UWA A22NZ-BPA-UWA
Transparent Blue A22NZ-BNM-UAA A22NZ-BNA-UAA A22NZ-BPM-UAA A22NZ-BPA-UAA
Transparent Orange A22NZ-BNM-UOA A22NZ-BNA-UOA A22NZ-BPM-UOA A22NZ-BPA-UOA
Lighted
Transparent Red A22NZ-BNM-TRA A22NZ-BNA-TRA A22NZ-BPM-TRA A22NZ-BPA-TRA
Transparent Green A22NZ-BNM-TGA A22NZ-BNA-TGA A22NZ-BPM-TGA A22NZ-BPA-TGA
Transparent Yellow A22NZ-BNM-TYA A22NZ-BNA-TYA A22NZ-BPM-TYA A22NZ-BPA-TYA
Transparent White A22NZ-BNM-TWA A22NZ-BNA-TWA A22NZ-BPM-TWA A22NZ-BPA-TWA
Transparent Blue A22NZ-BNM-TAA A22NZ-BNA-TAA A22NZ-BPM-TAA A22NZ-BPA-TAA
Transparent Orange A22NZ-BNM-TOA A22NZ-BNA-TOA A22NZ-BPM-TOA A22NZ-BPA-TOA
Bezel material and button shape
Plastic, full-guard Plastic, mushroom
Switch Action Momentary Alternate Momentary Alternate
Lighted/
non-lighted Transparency Color Model Model Model Model
Non-lighted
Opaque Red A22NZ-BGM-NRA A22NZ-BGA-NRA A22NZ-BMM-NRA A22NZ-BMA-NRA
Opaque Green A22NZ-BGM-NGA A22NZ-BGA-NGA A22NZ-BMM-NGA A22NZ-BMA-NGA
Opaque Yellow A22NZ-BGM-NYA A22NZ-BGA-NYA A22NZ-BMM-NYA A22NZ-BMA-NYA
Opaque White A22NZ-BGM-NWA A22NZ-BGA-NWA A22NZ-BMM-NWA A22NZ-BMA-NWA
Opaque Blue A22NZ-BGM-NAA A22NZ-BGA-NAA A22NZ-BMM-NAA A22NZ-BMA-NAA
Opaque Black A22NZ-BGM-NBA A22NZ-BGA-NBA A22NZ-BMM-NBA A22NZ-BMA-NBA
Transparent Red A22NZ-BGM-URA A22NZ-BGA-URA A22NZ-BMM-URA A22NZ-BMA-URA
Transparent Green A22NZ-BGM-UGA A22NZ-BGA-UGA A22NZ-BMM-UGA A22NZ-BMA-UGA
Transparent Yellow A22NZ-BGM-UYA A22NZ-BGA-UYA A22NZ-BMM-UYA A22NZ-BMA-UYA
Transparent White A22NZ-BGM-UWA A22NZ-BGA-UWA A22NZ-BMM-UWA A22NZ-BMA-UWA
Transparent Blue A22NZ-BGM-UAA A22NZ-BGA-UAA A22NZ-BMM-UAA A22NZ-BMA-UAA
Transparent Orange A22NZ-BGM-UOA A22NZ-BGA-UOA A22NZ-BMM-UOA A22NZ-BMA-UOA
Lighted
Transparent Red A22NZ-BGM-TRA A22NZ-BGA-TRA A22NZ-BMM-TRA A22NZ-BMA-TRA
Transparent Green A22NZ-BGM-TGA A22NZ-BGA-TGA A22NZ-BMM-TGA A22NZ-BMA-TGA
Transparent Yellow A22NZ-BGM-TYA A22NZ-BGA-TYA A22NZ-BMM-TYA A22NZ-BMA-TYA
Transparent White A22NZ-BGM-TWA A22NZ-BGA-TWA A22NZ-BMM-TWA A22NZ-BMA-TWA
Transparent Blue A22NZ-BGM-TAA A22NZ-BGA-TAA A22NZ-BMM-TAA A22NZ-BMA-TAA
Transparent Orange A22NZ-BGM-TOA A22NZ-BGA-TOA A22NZ-BMM-TOA A22NZ-BMA-TOA
■Model numbers of sets: Refer to pages 4 to 7. ■Specifications: Refer to page 15.■ Dimensions: Refer to page 17.
■Accessories and tools: Refer to page 13.
A22NN/A22NL
10
Ordering Information
Subassemblies - - - - - You can order Operation Units, LED Lamps, Mounting Collars, and Contact Blocks individually. Use them in
combination for models that are not available as assembled Switches. They can also be used as inventory for
maintenance parts.
Bezel material and button shape
Brushed metal, flat Brushed metal, projected
Switch Action Momentary Alternate Momentary Alternate
Lighted/
non-lighted Transparency Color Model Model Model Model
Non-lighted
Opaque Red A22NZ-MNM-NRA A22NZ-MNA-NRA A22NZ-MPM-NRA A22NZ-MPA-NRA
Opaque Green A22NZ-MNM-NGA A22NZ-MNA-NGA A22NZ-MPM-NGA A22NZ-MPA-NGA
Opaque Yellow A22NZ-MNM-NYA A22NZ-MNA-NYA A22NZ-MPM-NYA A22NZ-MPA-NYA
Opaque White A22NZ-MNM-NWA A22NZ-MNA-NWA A22NZ-MPM-NWA A22NZ-MPA-NWA
Opaque Blue A22NZ-MNM-NAA A22NZ-MNA-NAA A22NZ-MPM-NAA A22NZ-MPA-NAA
Opaque Black A22NZ-MNM-NBA A22NZ-MNA-NBA A22NZ-MPM-NBA A22NZ-MPA-NBA
Transparent Red A22NZ-MNM-URA A22NZ-MNA-URA A22NZ-MPM-URA A22NZ-MPA-URA
Transparent Green A22NZ-MNM-UGA A22NZ-MNA-UGA A22NZ-MPM-UGA A22NZ-MPA-UGA
Transparent Yellow A22NZ-MNM-UYA A22NZ-MNA-UYA A22NZ-MPM-UYA A22NZ-MPA-UYA
Transparent White A22NZ-MNM-UWA A22NZ-MNA-UWA A22NZ-MPM-UWA A22NZ-MPA-UWA
Transparent Blue A22NZ-MNM-UAA A22NZ-MNA-UAA A22NZ-MPM-UAA A22NZ-MPA-UAA
Transparent Orange A22NZ-MNM-UOA A22NZ-MNA-UOA A22NZ-MPM-UOA A22NZ-MPA-UOA
Lighted
Transparent Red A22NZ-MNM-TRA A22NZ-MNA-TRA A22NZ-MPM-TRA A22NZ-MPA-TRA
Transparent Green A22NZ-MNM-TGA A22NZ-MNA-TGA A22NZ-MPM-TGA A22NZ-MPA-TGA
Transparent Yellow A22NZ-MNM-TYA A22NZ-MNA-TYA A22NZ-MPM-TYA A22NZ-MPA-TYA
Transparent White A22NZ-MNM-TWA A22NZ-MNA-TWA A22NZ-MPM-TWA A22NZ-MPA-TWA
Transparent Blue A22NZ-MNM-TAA A22NZ-MNA-TAA A22NZ-MPM-TAA A22NZ-MPA-TAA
Transparent Orange A22NZ-MNM-TOA A22NZ-MNA-TOA A22NZ-MPM-TOA A22NZ-MPA-TOA
Bezel material and button shape
Brushed metal, full-guard Brushed metal, mushroom
Switch Action Momentary Alternate Momentary Alternate
Lighted/
non-lighted Transparency Color Model Model Model Model
Non-lighted
Opaque Red A22NZ-MGM-NRA A22NZ-MGA-NRA A22NZ-MMM-NRA A22NZ-MMA-NRA
Opaque Green A22NZ-MGM-NGA A22NZ-MGA-NGA A22NZ-MMM-NGA A22NZ-MMA-NGA
Opaque Yellow A22NZ-MGM-NYA A22NZ-MGA-NYA A22NZ-MMM-NYA A22NZ-MMA-NYA
Opaque White A22NZ-MGM-NWA A22NZ-MGA-NWA A22NZ-MMM-NWA A22NZ-MMA-NWA
Opaque Blue A22NZ-MGM-NAA A22NZ-MGA-NAA A22NZ-MMM-NAA A22NZ-MMA-NAA
Opaque Black A22NZ-MGM-NBA A22NZ-MGA-NBA A22NZ-MMM-NBA A22NZ-MMA-NBA
Transparent Red A22NZ-MGM-URA A22NZ-MGA-URA A22NZ-MMM-URA A22NZ-MMA-URA
Transparent Green A22NZ-MGM-UGA A22NZ-MGA-UGA A22NZ-MMM-UGA A22NZ-MMA-UGA
Transparent Yellow A22NZ-MGM-UYA A22NZ-MGA-UYA A22NZ-MMM-UYA A22NZ-MMA-UYA
Transparent White A22NZ-MGM-UWA A22NZ-MGA-UWA A22NZ-MMM-UWA A22NZ-MMA-UWA
Transparent Blue A22NZ-MGM-UAA A22NZ-MGA-UAA A22NZ-MMM-UAA A22NZ-MMA-UAA
Transparent Orange A22NZ-MGM-UOA A22NZ-MGA-UOA A22NZ-MMM-UOA A22NZ-MMA-UOA
Lighted
Transparent Red A22NZ-MGM-TRA A22NZ-MGA-TRA A22NZ-MMM-TRA A22NZ-MMA-TRA
Transparent Green A22NZ-MGM-TGA A22NZ-MGA-TGA A22NZ-MMM-TGA A22NZ-MMA-TGA
Transparent Yellow A22NZ-MGM-TYA A22NZ-MGA-TYA A22NZ-MMM-TYA A22NZ-MMA-TYA
Transparent White A22NZ-MGM-TWA A22NZ-MGA-TWA A22NZ-MMM-TWA A22NZ-MMA-TWA
Transparent Blue A22NZ-MGM-TAA A22NZ-MGA-TAA A22NZ-MMM-TAA A22NZ-MMA-TAA
Transparent Orange A22NZ-MGM-TOA A22NZ-MGA-TOA A22NZ-MMM-TOA A22NZ-MMA-TOA
■Model numbers of sets: Refer to pages 4 to 7. ■Specifications: Refer to page 15.■ Dimensions: Refer to page 17.
■Accessories and tools: Refer to page 13.
A22NN/A22NL
11
Ordering Information
Subassemblies - - - - -You can order Operation Units, LED Lamps, Mounting Collars, and Contact Blocks individually. Use them in
combination for models that are not available as assembled Switches. They can also be used as inventory for
maintenance parts.
Bezel material and button shape
Metal, flat Metal, projected
Switch Action Momentary Alternate Momentary Alternate
Lighted/
non-lighted Transparency Color Model Model Model Model
Non-lighted
Opaque Red A22NZ-RNM-NRA A22NZ-RNA-NRA A22NZ-RPM-NRA A22NZ-RPA-NRA
Opaque Green A22NZ-RNM-NGA A22NZ-RNA-NGA A22NZ-RPM-NGA A22NZ-RPA-NGA
Opaque Yellow A22NZ-RNM-NYA A22NZ-RNA-NYA A22NZ-RPM-NYA A22NZ-RPA-NYA
Opaque White A22NZ-RNM-NWA A22NZ-RNA-NWA A22NZ-RPM-NWA A22NZ-RPA-NWA
Opaque Blue A22NZ-RNM-NAA A22NZ-RNA-NAA A22NZ-RPM-NAA A22NZ-RPA-NAA
Opaque Black A22NZ-RNM-NBA A22NZ-RNA-NBA A22NZ-RPM-NBA A22NZ-RPA-NBA
Transparent Red A22NZ-RNM-URA A22NZ-RNA-URA A22NZ-RPM-URA A22NZ-RPA-URA
Transparent Green A22NZ-RNM-UGA A22NZ-RNA-UGA A22NZ-RPM-UGA A22NZ-RPA-UGA
Transparent Yellow A22NZ-RNM-UYA A22NZ-RNA-UYA A22NZ-RPM-UYA A22NZ-RPA-UYA
Transparent White A22NZ-RNM-UWA A22NZ-RNA-UWA A22NZ-RPM-UWA A22NZ-RPA-UWA
Transparent Blue A22NZ-RNM-UAA A22NZ-RNA-UAA A22NZ-RPM-UAA A22NZ-RPA-UAA
Transparent Orange A22NZ-RNM-UOA A22NZ-RNA-UOA A22NZ-RPM-UOA A22NZ-RPA-UOA
Lighted
Transparent Red A22NZ-RNM-TRA A22NZ-RNA-TRA A22NZ-RPM-TRA A22NZ-RPA-TRA
Transparent Green A22NZ-RNM-TGA A22NZ-RNA-TGA A22NZ-RPM-TGA A22NZ-RPA-TGA
Transparent Yellow A22NZ-RNM-TYA A22NZ-RNA-TYA A22NZ-RPM-TYA A22NZ-RPA-TYA
Transparent White A22NZ-RNM-TWA A22NZ-RNA-TWA A22NZ-RPM-TWA A22NZ-RPA-TWA
Transparent Blue A22NZ-RNM-TAA A22NZ-RNA-TAA A22NZ-RPM-TAA A22NZ-RPA-TAA
Transparent Orange A22NZ-RNM-TOA A22NZ-RNA-TOA A22NZ-RPM-TOA A22NZ-RPA-TOA
Bezel material and button shape
Metal, mushroom
Switch Action Momentary Alternate
Lighted/
non-lighted Transparency Color Model Model
Non-lighted
Opaque Red A22NZ-RMM-NRA A22NZ-RMA-NRA
Opaque Green A22NZ-RMM-NGA A22NZ-RMA-NGA
Opaque Yellow A22NZ-RMM-NYA A22NZ-RMA-NYA
Opaque White A22NZ-RMM-NWA A22NZ-RMA-NWA
Opaque Blue A22NZ-RMM-NAA A22NZ-RMA-NAA
Opaque Black A22NZ-RMM-NBA A22NZ-RMA-NBA
Transparent Red A22NZ-RMM-URA A22NZ-RMA-URA
Transparent Green A22NZ-RMM-UGA A22NZ-RMA-UGA
Transparent Yellow A22NZ-RMM-UYA A22NZ-RMA-UYA
Transparent White A22NZ-RMM-UWA A22NZ-RMA-UWA
Transparent Blue A22NZ-RMM-UAA A22NZ-RMA-UAA
Transparent Orange A22NZ-RMM-UOA A22NZ-RMA-UOA
Lighted
Transparent Red A22NZ-RMM-TRA A22NZ-RMA-TRA
Transparent Green A22NZ-RMM-TGA A22NZ-RMA-TGA
Transparent Yellow A22NZ-RMM-TYA A22NZ-RMA-TYA
Transparent White A22NZ-RMM-TWA A22NZ-RMA-TWA
Transparent Blue A22NZ-RMM-TAA A22NZ-RMA-TAA
Transparent Orange A22NZ-RMM-TOA A22NZ-RMA-TOA
■ Model numbers of sets: Refer to pages 4 to 7. ■ Specifications: Refer to page 15.■ Dimensions: Refer to page 17.
■ Accessories and tools: Refer to page 13.
A22NN/A22NL
12
Ordering Information
Subassemblies - - - You can order Operation Units, LED Lamps, Mounting Collars, and Contact Blocks individually. Use them in
combination for models that are not available as assembled Switches. They can also be used as inventory for
maintenance parts.
LED Lamps
Mounting Collar
Contact Blocks
Lighting Units
Reinforcement Plate
Appearance Applied voltage 6 VAC/DC 12 VAC/DC 24 VAC/DC 100/110/120 VAC 200/220/230/240 VAC
Color Model Model Model Model Model
Red A22NZ-L-RA A22NZ-L-RB A22NZ-L-RC A22NZ-L-RD A22NZ-L-RE
Green A22NZ-L-GA A22NZ-L-GB A22NZ-L-GC A22NZ-L-GD A22NZ-L-GE
Yellow A22NZ-L-YA A22NZ-L-YB A22NZ-L-YC A22NZ-L-YD A22NZ-L-YE
White A22NZ-L-WA A22NZ-L-WB A22NZ-L-WC A22NZ-L-WD A22NZ-L-WE
Blue A22NZ-L-AA A22NZ-L-AB A22NZ-L-AC A22NZ-L-AD A22NZ-L-AE
Orange A22NZ-L-OA A22NZ-L-OB A22NZ-L-OC A22NZ-L-OD A22NZ-L-OE
Appearance Model
A22NZ-H-01
Appearance Contacts Model
SPST-NO (blue) A22NZ-S-G1A
SPST-NC (orange) A22NZ-S-G1B
Appearance Applied voltage Model
6 VAC/DC A22NZ-T-A
12 VAC/DC A22NZ-T-B
24 VAC/DC A22NZ-T-C
100/110/120 VAC A22NZ-T-D
200/220/230/240 VAC A22NZ-T-E
Appearance Model
A22NZ-A-C01
A22NN/A22NL
13
Ordering Information
Accessories and Tools (Order Separately)
Item Appearance Classification Model Remarks
Tightening Wrench --- A22NZ-A-301 Used to tighten Mounting Nuts
from the back of the panel.
LED Lamp Extractor --- A22NZ-A-302 Made of rubber and used to easily
remove and attach LED Lamps.
Protective Cover --- A22NZ-A-303
A protector designed to prevent
incorrect operation. Cannot be
used together with other accesso-
ries. (Rubber seal included.)
Plastic Hole Plug Round A22NZ-A-401
Can be plugged into precut panel
holes for future expansion.
Applicable panel thickness: 0.8 to
3.0 mm
For 22.3-mm panel hole diameter.
Metal Hole Plug Round A22NZ-A-402
Can be plugged into precut panel
holes for future expansion.
Applicable panel thickness: 0.8 to
6.0 mm (Rubber seal included.)
Lock Ring Round A22NZ-A-403
Used when a more secure lock is
required to prevent rotation inside
the Operation Unit.
(Rubber seal included.)
For 22.3-mm panel hole diameter.
Lock Ring --- A22NZ-A-50501
Used when a more secure lock is
required to prevent rotation of the
Operation Unit.
Control Box 1 hole A22NZ-A-B01Y
Cap Tightening
Wrench --- A22Z-3908
Used to replace the Caps on Flat,
Projected, and Full-guard Push-
button Switches.
A22NN/A22NL
14
Small Legend Plate
Frame Black A22NZ-A-50103
Legend Plate with no text on black
background included.
For 22.3-mm panel hole diameter.
Small Legend Plates
Without text
A22Z-3443B Black
A22Z-3443R Red
A22Z-3443W White
A22Z-3443C Transparent
A22Z-3443R-2 White text on red background
STOP A22Z-3443R-4
--- A22Z-3443B-1
Legend Plate with white text on
black background included.
For 22.3-mm panel hole diameter.
START A22Z-3443B-3
ON A22Z-3443B-5
OFF A22Z-3443B-6
UP A22Z-3443B-7
DOWN A22Z-3443B-8
POWER ON A22Z-3443B-9
OFF-ON A22Z-3443B-10
Large Legend Plate
Frame Black A22NZ-A-51103
Legend Plate with no text on black
background included.
For 22.3-mm panel hole diameter.
Large Legend Plates Without text
A22Z-3453B Black
A22Z-3453R Red
A22Z-3453W White
A22Z-3453C Transparent
Item Appearance Classification Model Remarks
A22NN/A22NL
15
Specifications
Certified Safety Standard Ratings
UL 508 (File No. E76675), CSA C22.2 No.14
6 A 240 VAC, 10 A 120 VAC
TÜV (EN60947-5-1)
AC-15 3 A 240 VAC
DC-13 4 A 24 VDC
CCC (GB14048.5)
AC-15 3 A 240 VAC
DC-13 4 A 24 VDC
Ratings
Contacts (Standard Load)
Note: 1. The above ratings were obtained by conducting tests under the following conditions.
(1) Ambient temperature: 20 ±2°C
(2) Ambient humidity: 65% ±5% RH
(3) Operating frequency: 30 operations/minute
2. Minimum applicable load: 10 mA at 5 VDC.
LED Lamps
Rated insulation voltage 600 V
Rated carry current 10 A
Applied voltage 24 V 120 V 240 V 380 V 440 V
AC at 50/60
Hz
Resistive load (AC-12) 10 A 10 A 6 A 2A 2 A
Inductive load (AC-15) 10 A 6 A 3 A 1.9 A 1.6 A
DC Resistive load (DC-12) 8 A 2.2 A 1.1 A --- ---
Inductive load (DC-13) 4 A 1.1 A 0.55 A --- ---
Rated voltage Applied voltage Rated current
6 VAC/DC 6 VAC/DC ±10% Approx. 11 mA (red, orange, yellow, or blue)
Approx. 5 mA (white or green)
12 VAC/DC 12 VAC/DC ±10% Approx. 12 mA (red, orange, yellow, or blue)
Approx. 5 mA (white or green)
24 VAC/DC 24 VAC/DC ±10% Approx. 12 mA (red, orange, yellow, or blue)
Approx. 5 mA (white or green)
100 VAC 100 VAC ±10%
Approx. 2 mA110 VAC 110 VAC ±10%
120 VAC 100 to 130 VAC
200 VAC 200 VAC ±10%
Approx. 2 mA
220 VAC 220 VAC ±10%
230 VAC 230 VAC ±10%
240 VAC 220 to 250 VAC
A22NN/A22NL
16
Specifications
Characteristics
*1. With no icing or condensation.
*2. Degree of protection from the front of the panel.
Operating Characteristics (for SPST-NO/SPST-NC)
Examples of Linked Contact Blocks
Note: If you increase the number of Contact Blocks, evaluate the Switch under actual working conditions before permanent installation and use
the Switch within a number of switching operations that will not adversely affect the Switch’s performance.
Type Pushbutton Switches
Item Non-lighted models Lighted models
Allowable operating
frequency
Mechanical 60 operations/minute max.
Electrical 30 operations/minute max.
Insulation resistance 100 MΩ min. (at 500 VDC)
Contact resistance 100 mΩ max. (initial value)
Dielectric strength Between terminals of same polarity 2,500 VAC at 50/60 Hz for 1 min
Between each terminal and ground 2,500 VAC at 50/60 Hz for 1 min
Vibration resistance Malfunction 10 to 55 Hz, 1.5-mm double amplitude (malfunction within 1 ms)
Shock resistance Malfunction 1,000 m/s2 max. (malfunction within 1 ms)
Durability Mechanical Momentary action: 5,000,000 operations min.
Alternate action: 500,000 operations min.
Electrical 500,000 operations min.
Ambient operating temperature*1 −25 to 70°C−25 to 55°C
Ambient operating humidity 35% to 85% RH
Ambient storage temperature*1 −40 to 80°C
Degree of protection*2 IP66, NEMA 4X, NEMA13
Electric shock protection class Class II
PTI (tracking characteristic) 175
Degree of contamination (application environment) 3 (IEC 60947-5-1)
Weight Approx. 50 g (for 1NC/1NO) Approx. 65 g (for 1NC/1NO)
Type Pushbutton Switches
Item Lighted/non-lighted
Total travel force (torque) (maximum TTF) 18 N
Total travel (TT) 6 mm max.
Resetting force (torque) (RF) ---
Pushbutton Switches
Momentary Alternate
Lighted Non-lighted Lighted Non-lighted
Linking example
Contact Blocks Lighting Units
Operation Unit
Mounting Collar
Stage 2 Stage 1
Operation Unit
Mounting Collar
Operation Unit
Mounting Collar
Operation Unit
Mounting Collar
Operation Unit
Mounting Collar
A22NN/A22NL
17
Dimensions (Unit: mm)
Lighted and Non-lighted Pushbutton Switches
R29.5
47
0.5
28.8 dia.
30
11
5
45.3
43.5
61.8
Flat Switches with Plastic Bezels
A22NN-BN-NA-G-NN
5
13.5
0.5
1.8
45.3
28.8 dia. 43.5
A22NL-BN-TA-G-
A22NN-BN-UA-G-NN
19.1 45.3
43.5
28.8 dia.
23.3 dia.
11
Projected Switches with Plastic Bezels
A22N-BP-A-G-
19.1 45.3
28.8 dia.
11
43.5
Full-guard Switches with Plastic Bezels
A22N-BG-A-G-
40 dia.
20.7
11
45.3
43.5
Mushroom Switches with Plastic Bezels
A22N-BM-A-G-
A22NN/A22NL
18
Dimensions (Unit: mm)
30
R29.5
47
11 45.3
43.5
28.8 dia.
Flat Switches with Brushed Metal Bezels
A22NN-MN-NA-G-NN A22NL-MN-TA-G-
A22NN-MN-UA-G-NN
5
13.5
0.5
1.8
45.3
28.8 dia. 43.5
19.1 45.3
43.5
28.8 dia.
23.3 dia.
11
Projected Switches with Brushed Metal Bezels
A22N-MP-A-G-
45.3
43.5
28.8 dia.
19.1
11
Full-guard Switches with Brushed Metal Bezels
A22N-MG-A-G-
40 dia.
20.7 45.3
43.5
11
Mushroom Switches with Brushed Metal Bezels
A22N-MM-A-G-
A22NN/A22NL
19
Dimensions (Unit: mm)
Depth with Linked Units
Terminal Wiring Diagrams
Bottom View
Terminal Connection Diagrams
Non-lighted Switches
(2NO/1NC)
Contact configuration
code:112
Lighted Switches (1NO/1NC)
Contact configuration
code:102
Non-lighted Switches
(2NO/1NC)
Contact configuration
code:112
Lighted Switches (1NO/1NC)
Contact configuration
code:102
30
R29.5
47 28.8 dia.
11 45.3
43.5
Flat Switches with Metal Bezels
A22NN-RN-NA-G-NN A22NL-RN-TA-G-
A22NN-RN-UA-G-NN
5
13.5
0.5
1.8
28.8 dia. 43.5
45.3
19.1 45.3
43.5
28.8 dia.
23.3 dia.
11
Projected Switches with Metal Bezels
A22N-RP-A-G-
40 dia.
20.7 45.3
43.5
11
Mushroom Switches with Metal Bezels
A22N-RM-A-G-
66.8
45.3
Six, M3.5
Phillips/slotted
screws
Contact Blocks
20
10
Six, M3.5
Phillips/slotted
screws
Contact Blocks
20
Lighting Unit
10
3
4
3
4
Bottom View
1
22
1
4
3
X1
X
X2
Bottom View
LED
Lamp
A22NN/A22NL
20
Dimensions (Unit: mm)
24.3
9.8 dia.
9 dia.
LED Lamps
A22Z-L-@@
R29.5
30
51.3
17.1
Mounting Collar
A22NZ-H-01
4
47 9.9
29.6
22.2
5
Contact Blocks
A22NZ-S-G1@
12 dia.
47 9.9
32.2
29.6
Lighting Units
A22NZ-Z-@
3.6
29.8
12.1
Reinforcement Plate
A22NZ-A-C01
A22NN/A22NL
21
Dimensions (Unit: mm)
Dimensions of Accessories
2.5 107.5
28 dia.
2.8
3-dia. hole
Tightening Wrench
A22NZ-A-301
14 dia.
59
10 dia.
LED Extractor
A22NZ-A-302
14 16
8 dia.
30
50 dia.
133
29 dia.
3.50
7
25 dia.
Protective Cover
A22NZ-A303
Plastic Hole Plug
A22NZ-A-401
25.5 dia.
20 dia.
25.5 dia.
15
Metal Hole Plug
A22NZ-A-402 29 dia.
22 dia.
2.5
1.5
Rubber seal
Lock Ring
A22NZ-A-403
22.3 dia.
Four, M4 Phillips
binding screws
Two, 21.4-dia
side lead holes
Cover (yellow) Case (black) Two, 14-dia.
bottom lead holes
Four, 3.7-dia,
M4-tapped holes
Two, 4.4-dia
oval mounting holes
80
80
3.2
3.2
24.2
24.2
18.5
38
59.9
40
10
10
62
40
5.4
Control Box
A22NZ-A-B01Y
1.8 1
29
29
Lock Ring
A22NZ-A-50501
A22NN/A22NL
22
Dimensions (Unit: mm)
20.6
R15 22 dia.
30
40 0.9
4.2
3.2
4.5
Legend Plate Frames
Small A22NZ-A50103
20.6
22 dia.
30
50
22 dia.
0.9
4.2
3.2
5
Large A22NZ-A51103
26.8 8.2
126.8
17.9
1
Legend Plates
Small A22Z-3443@-@Large A22Z-3453@
23.4 20.5
1
5 dia.
C
ap
Ti
g
h
ten
i
ng
W
renc
h
A22Z-3908
A22NN/A22NL
23
Safety Precautions
Refer to Safety Precautions for All Pushbutton Switches/Indicators.
•Never perform wiring work on a Switch while power is being
supplied. Never touch terminals and other charged parts while
power is being supplied. Doing so may result in electrical shock.
•Never attempt to disassemble or modify the Switch in any way.
Doing so may prevent correct operation.
•Switch functionality may be inhibited. Do not drop the Switch.
Never apply a force that would deform or alter the nature of the
Switch.
•The durability of the Switch is greatly affected by operating
conditions. Evaluate the Switch under actual working conditions
before permanent installation and use the Switch within a number
of switching operations that will not adversely affect the Switch’s
performance.
•Do not use a load voltage or current that exceeds the rating. Doing
so may damage or cause burning in the Switch.
•Do not use the Switch in a location with inflammable or explosive
gases, or where the Switch would be subjected to inflammable
solvents. The arcs and heat generated when the Switch is
operated can cause ignition or explosions.
•Do not use the Switch where sulfur gas (H2S, SO2), ammonia gas
(NH3), nitric acid gas (HNO3), chlorine gas (Cl2), or other harmful
gases are present or where high humidity is present. Contact faults
and damage due to corrosion may interfere with the functionality of
the Switch.
•Do not use the Switch in oil or water or in an environment subject
to constant contact with oil or water. The oil or water may enter the
Switch, causing failure.
•Do not use or store the Switch in the following locations.
•Locations subject to rapid temperature changes
•Locations subject to condensation due to high humidity
•Locations subject to vibration
•Locations subject to direct sunlight
•Locations subject to salty air
•Make sure that the rubber washer is in place between the
Operation Unit and the panel. Otherwise, the specifications of the
protective structure may not be satisfied.
•Do not subject the Contact Block or wiring to excessive force. The
Contact Block may be damaged or deformed and faulty contact
may occur.
Mounting
•Do not tighten the Mounting Nut more than necessary using tools
such as pointed-nose pliers. Doing so will damage the Mounting
Nut. (The tightening torque of the Mounting Nut is 1.0 to 2.0 N·m.)
Wiring
•Terminal screws must be M3.5 Phillips or slotted screws with a
square washer.
•The terminal screw tightening torque is 1.0 to 1.3 N·m.
•Solid wires, stranded wires, and crimp terminals can be connected
to the Switch.
Stranded wires: AWG14 to AWG16
Solid wire: 1.6 dia. max.
Bare Crimp Terminals
Crimp Terminals with Insulating Sheathes
•After wiring the Switch, maintain appropriate clearance and
creepage distances.
Operating Environment
•The Switch is intended for indoor use only.
Using the Switch outdoors will result in failure.
LED Lamps
•A current-limiting resistor is built into the LED Lamp, so external
resistance is not required.
•False Lighting of the LED Lamp
The LED Lamp will light with a microcurrent of approx. 0.1 mA or
less. Take countermeasures, such as adding a resistor in parallel
to the LED Lamp, to prevent false lighting.
The micro-current varies with the machine (due to leakage current,
stray capacity between cables, etc.). Select a resistance value and
allowable power consumption according to the actual current.
Precautions for Safe Use Precautions for Correct Use
7.2 mm max. 7.2 mm max.
16.0 mm max. 16.0 mm max.
7.2 mm max.
20.2 mm max.
7.2 mm max.
20.2 mm max.
X1
X2
LED
Lamp
R: 10 kΩ (1 W)
bleeder resistor
Example of Circuit to Prevent False Lighting
For 24 VAC/VDC Lighting Unit
A22NN/A22NL
24
Application
Mounting to the Panel
Panel Hole Dimensions
•Panel hole dimensions are given below.
•The recommended panel thicknesses are given below.
•If outer surface treatment such as coating is performed for the
panel, the panel dimensions after outer surface treatment must
meet the specified panel dimensions.
•The following figure gives pitch dimension A and pitch dimension
B between the centers of the mounting holes.
Dimension A
Note: The minimum mounting pitch is based on three Contact Blocks
in stage 1 with one wire attached to each terminal.
If you attach two wires or link Units, determine the mounting
pitch based on the dimensions diagrams and ease of operation
and wiring.
Dimension A When Using Accessory
•Dimension A is 50 mm minimum when a Standard Legend Plate
Frame is attached.
•Dimension A is 51 mm minimum when a Large Legend Plate
Frame is attached.
•Dimension A is 75 mm minimum when a Protective Cover is
attached.
Dimension B
Mounting the Operation Unit
•Panel Hole of 22.3-mm Diameter
Insert the Operation Unit from the front of the panel, insert the Lock
Ring and Mounting Nut from the back of the panel, and tighten the
Mounting Nut. Before tightening, check that the rubber washer is
present between the Operation Unit and the panel.
•Panel Hole of 25.5-mm Diameter
Do not use the Lock Ring, and tighten the Mounting Nut while
confirming that the projecting part (see following figure) on the
Mounting Nut is aligned with mounting hole. Before tightening,
check that the rubber washer is present between the Operation
Unit and the panel.
•Align the Lock Ring with the slot on the case and insert it so that
the edge is flush with the panel.
Mounting the Contact Block to the Operation Unit
•Insert the Operation Unit into the Mounting Collar, aligning the TOP
mark inscribed on the Operation Unit with the lever on the
Mounting Collar, and then turn the lever in the direction indicated
by the arrow in the following figure all of the way until it clicks into
place.
Panel hole dimension Panel thickness
22.3 dia. 0.8 to 5 mm
25.5 dia. 0.8 to 6 mm
Wire type
Number of
linked Con-
tact Blocks
Number of
wires per ter-
minal
Minimum al-
lowable pitch
Dimension A
(mm) or larger
Leads (twisted wires
or solid wire) 1150
Bare crimp terminals 1 1 50
Crimp terminals with
insulating sheathes 1160
Dimension A
22.3 dia.
+0.4
0
3.2
Using the Lock Ring Standard Switch
22.3 dia.
+0.4
0
22.3 dia.
+0.4
0
+0.2
0
24.1 dia.
+0.4
0
Dimension B
R: 0.8 max.
Panel Hole Dimensions for 22.3 Diameter
Panel Hole Dimensions for 25.5 Diameter
25.5 dia.
+0.5
0
Operation Unit shape Dimension B
Mushroom 40 mm min.
Other than the above 30 mm min.
Lock Ring
Rubber washer
Mounting Nut
22.3 dia.
Mounting Nut
Projecting par
t
25.5 dia.
Rubber washer
TOP mark
(2)
(1)
A22NN/A22NL
25
Removing the Mounting Collar
•Press the lock lever in from the back side to release the lock, and
then hook the Mounting Collar with a screwdriver, move it in the
direction indicated at (2), and remove it. Turn the lever all of the
way until it clicks into place.
Contact Block
Attaching the Contact Block
•Catch the projection on the opposite side of the Mounting Collar
from the lever side and press the Contact Block in the direction
indicated at (1).
Removing the Contact Block
•Insert a screwdriver into the gap between the Mounting Collar and
Contact Block and press it inward in the direction shown at (2).
Attaching the Reinforcement Plate
•To link Contact Blocks together, attach a Reinforcement Plate in
the direction shown in the following figure. To remove the Plate,
insert a screwdriver in the direction indicated at (1) and rotate it in
the direction indicated at (2).
Engraving
•Engrave legends on the Legend Plates.
Do so with the straight part of the Legend Plate positioned on the
right and left.
•The characters must be engraved no deeper than 0.5 mm. Use an
alcohol-based paint, such as a melamine, phthalic acid, or acrylic
resin based paint.
(2)
(3)
(1)
(1)
Projected, Full-guard, or Mushroom
Switches Flat Switches
(2)
(3)
(1)
(2)
(1)
15.4 dia. 17.7 dia.
A22NN/A22NL
26
Attaching Character Films
•To attach a character film, remove the Button and attach the film,
aligning it with the straight portions of the Legend Plate.
•Prepare films of the following sizes depending on the type of
Legend Plate.
Removing and Tightening the Cap
For all Switches except for Mushroom Switches, use the A22Z-3908
Cap Tightening Tool to loosen the cap. When you tighten the cap,
make sure that the Legend Plate is in the correct position and then
turn the cap in the direction opposite of the direction shown in the
following figure. Tighten it to a torque of 0.5 to 1.0 N·m so that it will
not become loose.
Attaching the LED Lamp to the Lighting Unit
•Insert the protrusions on the LED Lamp into the guides on the
Lighting Unit and then turn the LED Lamp in direction (2) to lock it
in place.
Attaching and Replacing LED Lamps
Removing the LED Lamp from the Panel Surface
•Insert the LED Lamp Extractor as shown in the following figure and
then rotate the Extractor in the direction shown at (2) while
pressing it inward.
Attaching the LED Lamp from the Panel Surface
•Insert the LED Lamp into the LED Lamp Extractor as shown in the
following figure. Align the projections on the LED Lamp with the
LED Lamp insertion guides, insert the LED Lamp, and turn it in the
direction indicted at (2).
Projected,
Full-guard, or
Mushroom
Switches
Legend
Plate di-
mensions
Film dimen-
sions
Flat Switches
Legend
Plate di-
mensions
Film dimen-
sions
Button
Legend Plate
Flange
Button
Legend Plate
Button
Legend Plate
Button
Legend Plate
Projected Switches Full-guard Switches
Mushroom Switches Flat Switches
Display range
5.15
1.6
15.9 dia.
15.4 dia.
T = 0.1 to 0.2 mm
15.4
17.1 dia.
0
−0.2
0
−0.2
Display range
1.30
2.00
17.7 dia.
T = 0.1 to 0.2 mm
17.5
19.6 dia.
0
−0.2
0
−0.2
(2)
(1)
(2)
(1)
(2) (1)
(2)
(1)
(2)
(1)
LED Lamp insertion guides
A22NN/A22NL
27
Control Box
You can attach a Legend Plate Frame.
Attach it in the direction shown in the following figure.
Mount the Switch in the same way as for a standard panel. The
tightening torque of the Box screws is 1.4 to 2.0 N·m.
Creating a Cable Hole
To open a cable hole, leave the cover attached, place the tip of a
screwdriver in the grooves at four locations around the cable hole,
and strike the screwdriver with a hammer to open the hole.
Attaching and Removing Legend Plates
•Press the Legend Plate into the depression in the Legend Plate
Frame. The Legend Plate Frame can be separate or it can be
mounted on the panel when you attach the Legend Plate.
•The direction of the characters will depend on the mounting
direction of the Operation Unit if the Switch is a Selector Switch or
Key Selector Switch.
•You can easily remove the Legend Plate by pressing it forwards
from the back of the Legend Plate Frame.
•The acrylic plastic Legend Plate is easily damaged by shock.
Handle it with care.
Attaching the Lock Ring
Attach the Lock Ring as shown in the following figure.
To ensure water resistance, attach the rubber washer in the specified
location.
•Align the TOP mark on the Operation Unit, part A on the Legend
Plate, and the notch in the panel, and insert the Operation Unit.
•If there is no notch in the panel, remove part A from the Legend
Plate with pliers.
Attaching the Protective Cover
Attach the Protective Cover (A22NZ-A-303) to a panel that is 0.8 to
1.0 mm thick. To ensure water resistance, attach the rubber washer
in the specified location.
Legend Plate
Switch Box
Screwdriver
Groove
Side
Cover
Cable hole
Strike at four
diagonally
opposed locations
to open the hole.
Legend Plate Frame
Depression
Legend Plate
Operation
Unit
Lock Ring (A22NZ-A-403)
Rubber washer
(built into the Lock Ring)
Panel
Rubber washer (built
into the Operation Unit)
Align the projection
on the Lock Ring
with the notch in the
panel.
Panel thickness:
0.8 to 4 mm
TOP mark Part A
Legend Plate
Panel thickness: 0.8 to 4 mm
Part A
Mounting Nut
Protective Cover
(A22NZ-A-303)
Operation Unit
Rubber washer
Panel Lock Ring
MEMO
28
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