B-44 APEM www.apem.com
8000 series
Momentary or alternate action pushbutton switches
Distinctive features and specifications
B
❑ Bushing Ø 6,35 (1/4) and Ø 11,9 (15/32)
❑ UL approved
MATERIALS
• Case : diallylphthalate (DAP)
• Actuator : brass, nickel plated
• Bushing : brass, nickel plated
• Housing : stainless steel
• Contacts
A: silver
AD : silver, gold plated
CD : brass, gold plated
• Terminal seal : epoxy
AGENCY APPROVAL
Availability : consult factory for details of approved models.
Marking : to order switches marked UL, complete appropriate box of
ordering format.
ELECTRICAL SPECIFICATIONS
• Max. current/voltage rating with resistive load :
- silver contacts : 3A 250VAC - 6A 125VAC - 4A 30VDC
- gold plated contacts : 0,4VA max. 20VAC or DC
• Initial contact resistance : 10 mΩmax.
• Insulation resistance : 1.000 MΩmin. at 500VDC
• Dielectric strength :
1.000 Vrms 50 Hz min. between terminals
2.000 Vrms 50 Hz min. between terminals and frame
• Electrical life : 30.000 cycles at full load
GENERAL SPECIFICATIONS
• Torque : 1,25 Nm (.922 Ft.lb)
max. applied to nut
• Total travel : 2,70 mm (.106)
• Operating temperature :
-40°C to +85°C
APEM www.apem.com B-45
8000 series
Momentary or alternate action pushbutton switches
Overview
B
8
SERIES
Terminals and bushings
4Straight PC or right
angle terminals
6Solder lug terminals
All models with Ø 6,35
(1/4) or Ø 11,9 (15/32)
threaded bushing.
Number of poles
3Single pole
4Double pole
Electrical functions
2ON - MOM
6ON - ON
Terminals
Blank Solder lugs or
straight PC
depending on
model
WRight angle
ABOUT THIS SERIES
On the following pages, you will find successively :
- model structure of switches
- options in the same order as in above chart
Dimensions : first dimensions are in mm while inches are shown as bracketted numbers.
Sealing
Blank No sealing
BEpoxy sealed terminals
KFront panel sealing by
O-ring and sealing washer
Plungers
For bushing Ø 6,35 (1/4)
-13 Height 6,3 (.248)
-9 Height 8,8 (.346)
For bushing Ø 11,9 (15/32)
-13 Height 8,6 (.338)
-6 Height 7 (.275)
Contact
materials
ASilver
AD Silver, gold
plated
CD Brass, gold
plated
Special options
X718 Bushing Ø 11,9
(15/32)
X934 Flatted bushing
Ø 11,9 (15/32)
+ front panel sealing
Other, see following pages.
Approval
UL
Availability : Consult factory for
details of approved models.
Caps
U900 Ø5 (.196)
U1140 Ø 8 (.314)
U1720 Ø 9,4 (.370)
U480 Ø10 (.393)
Standard
U630 Ø 15 (.590)
U2430 Square
Height 4 (.157)
U2020 Square
Height 6 (.236)
Sealing boots are available to protect the switches against dust and water. They are presented in section H.
Mounting accessories : standard hardware supplied with all models : 2 hex nuts 8 mm (.314) across flats, 1 locking ring and
1 lockwasher.
Standard and special hardware available are presented in section I.
Packaging unit : 50 pieces, except 8000W (25 pieces).
B-46 APEM www.apem.com
8000 series
Momentary or alternate action pushbutton switches
Threaded bushing Ø 6,35 (1/4)
B
Funct. 6 (ON-ON) Funct. 2 (ON-MOM)
123 1 23 1 23
Right angle terminals - horizontal : 8400W
Straight PC terminals : 8400
Solder lug terminals : 8600
• Solder lug, straight PC or right angle terminals
• 1 and 2 pole configurations
• Button returns in upper position after
actuation.
(.070)
(.043)
(.145)
(.074)
3.70
1.90
1.80
1.10
MODEL
STRUCTURE
2-3 1-2
Single pole
8632 ON MOM
8636 ON ON
2-3 1-2
5-6 4-5
Double pole
8642 ON MOM
8646 ON ON
2-3 1-2
Single pole
8432 ON MOM
8436 ON ON
2-3 1-2
5-6 4-5
Double pole
8442 ON MOM
8446 ON ON
2-3 1-2
Single pole
8432W ON MOM
8436W ON ON
2-3 1-2
5-6 4-5
Double pole
8442W ON MOM
8446W ON ON
Shown with standard plunger (-13)
➞Keyway
➞Keyway
➞Keyway
➞Keyway
(.208)
(.157)
5.30
4.00
(.043)
1.10
(.275) (.248)
(.145)
(.031)
(.019)
(.157)
(.070)
(.187)
(.393 DIA)
(.157 DIA)
(1/4-40UNS) (.519)
(.275)
(.472)
Ø6.35-40UNS 13.20
Ø10.00
Ø4.00
1.80
7.00
0.50
0.80
4.00
4.75
12.00
7.00 6.30
3.70 (.716)
18.20
(.283)
7.20
1 23
6.307.00
12.00
4.75
4.00
0.80
0.50
7.00
Ø4.00
Ø10.00
13.20
Ø6.35-40UNS
(.472) (.275)
(.519)
(1/4-40UNS)
(.157 DIA)
(.393 DIA)
(.187)
(.157)
(.019)
(.031)
(.248)(.275)
(.767)(.157)
(.283)
7.20
19.504.00
(.043)
1.10
(.157) (.157)
(.187)
(.062 DIA)
4.00 4.00
Ø1.60
4.75
1 23
(.248)
(.393 DIA)
(.157 DIA)
(1/4-40UNS) (.519)
Ø6.35-40UNS 13.20
Ø10.00
Ø4.00
6.30
(.275)
7.00
(.031)
(.019)
(.157)
0.50
4.00
0.80
(.433) (.283)
(.338)(.500)(.150)
(.043) (.015)
(.145)
(.472)
(.338)(.500)
12.70 8.60
0.40
3.81
1.10
12.70 8.60
7.2011.00
(.472)
(.145)
3.70
12.00 12.00
3.70
(.062 DIA)
Ø1.60
4.00
(.157)
3.81 12.70
5.08
(.150) (.500)
(.200)
(.062 DIA)
Ø1.60
(.157)
4.00
(.196)
(.500)
5.08
12.70
3 21
APEM www.apem.com B-47
8000 series
Momentary or alternate action pushbutton switches
B
PANEL CUT-OUT
Standard With Ksealing option
Ø6.50 Ø2.20
5.20
(.255 DIA) (.086 DIA)
(.204)
(.255 DIA)
Ø6.50
1.10
2.70
(.106)
(.043)
CONTACT MATERIALS
ASilver
AD Silver, gold plated
CD Brass, gold plated
KFront panel sealing by one O-ring and sealing washer. Protects the
switch against water and dust.
Panel seal withstands 1 bar pressure and remains sealed even when
switch is operated.
KB Combined sealings
Sealing boot : see section H.
SEALING
BEpoxy sealed terminals
Blank No sealing
➀ O-ring
➁ Sealing washer
2Maxi
(.078 Max)
1
2
(.417 DIA)
(.090)
(.464 DIA)
(.251 DIA)
(.228)
Ø10.60
Ø11.80
5.80
2.30
Ø6.40
B-48 APEM www.apem.com
8000 series
Momentary or alternate action pushbutton switches
B-13
X601 Silver plated brass contacts
Current/voltage rating for an electrical life of 20.000 cycles :
0,2A 250VAC - 0,4A 125VAC - 0,5A 30VDC.
Minimum quantity : 5.000 pieces per model and shipment.
X718 Bushing Ø 11,9 (15/32)
For all basic models (solder lug
straight PC or right angle terminals)
Available with plungers 13 and 6.
K sealing option available.
X748 Snap-in mounting. Consult factory
Panel cut-out 15 x 12,5 (.59 x .492)
SPECIAL OPTIONS
-13 -6
PLUNGERS
Standard
For Ø 6,35 (1/4) bushing
For Ø 11,9 (15/32) bushing (X718 models)
-9
Dash compulsory before plunger code.
X718
X934 Flatted bushing Ø 11,9 (15/32) + sealing by two O-rings
(for plunger -6 only)
FTin dipped terminals
For PC terminal models with gold plated contacts only.
Order with option B (epoxy sealing). X934
➞Keyway or flat
(.559)
(.275)
(.248)
(.157 DIA)
(1/4-40UNS)
Ø6.35-40UNS
Ø4.00
14.20 6.30
7.00
(.472) (.334)
(.157 DIA)
(15/32-32UNS)
Ø4.00
Ø11.90-32UNS
8.5012.00
12.00
Ø11.90-32UNS
(15/32-32UNS)
(.472) (.275)
7.00
(.251DIA)
Ø6.40
7.00
14.20
Ø4.00
Ø6.35-40UNS
(1/4-40UNS)
(.157 DIA)
(.275)
(.559) (.346)
8.80
1 23
(.472) (.338)(.433)
(.157)
(15/32-32UNS)
11.00 12.00 8.60
Ø11.90-32UNS
Ø4.00
1.70
Ø12.00
5.10
9.60
Ø3.50
Ø12.50 (.472 DIA)
(.137 DIA)
(.492 DIA)
(.066)
(.200)
(.377)
Ø11.90-32UNS
(15/32-32UNS)
3
2
1
(.413)(.492) (.275)
(.314 MAX)
(.059)
(.251)
10.50 7.0012.50
1.50
8 Maxi
Ø6.40
(.200)
(.472 DIA)
5.10
Ø12.00
APEM www.apem.com B-49
8000 series
Momentary or alternate action pushbutton switches
B
U1636
DRESS NUTS
U825 U840
For cap U1140 For cap U630 For cap U480
Chrome plated. Order separately.
U480 U630
U2020U2430
Standard
Square Square
CAPS
+u...
APPROVAL
U900 U1140 U1720
Cap colours
Replace last "0" by number
1blue 5yellow
1/4 dark blue 6red
2black 7ivory
3green 7/1 white
4grey 9orange
(.157)
(.196)
(.129)
4.00
3.30
Ø5.00
(.118)
(.393)
(.295)
Ø10.00
7.50
3.00
(.452 SQ)
(.157)
(.196)
4.00
3.00
11.50x11.50
(.250)
(.314)
(.118)
3.00
6.35
Ø8.00
(.236)
(.452 SQ)
(.195)
6.00
5.00
11.50x11.50
U2600
For large plunger -6 only.
(.511 DIA)
(.236)
(.118)
3.00
6.00
Ø13.00
(.590 DIA)
(.393)
(.118)
3.00
10.00
Ø15.00
(.118)
(.370)
(.250)
3.00
6.35
Ø9.40
(.322 DIA)
(.500 DIA)
(1/4-40UNS)
(.322)
(.244)
Ø12.70
Ø8.20
6.20
8.20
Ø6.35-40UNS
(.610 DIA)
(.728 DIA)
Ø18.50
Ø15.50
Ø6.35-40UNS
(1/4-40UNS)
8.00
(.314)
(.228)
5.80
(.413 DIA)
(.531 DIA)
(.314)
(.228)
Ø10.50
Ø13.50
5.80
8.00
Ø6.35-40UNS
(1/4-40UNS)
UL
Availability : consult factory for details of approved models.
Marking : to order switches marked UL, complete above box with ”UL”.
The caps below are for Ø 4 mm plungers (-13 and -9), except U2600.
