APEM www.apem.com B2-63
B2
18000 series
Snap-action momentary pushbutton switches
Distinctive features and specifications
❑Panel and PC mount models
❑Snap-in panel mounting version
❑Tactile feedback
MATERIALS
• Case : PBT
• Actuator : polyamide, glass
filled
• Bushing : brass, nickel plated
• Housing : stainless steel
• Bracket : tin plated steel
• Contacts
AD : silver, gold plated
CD : brass, gold plated
• Terminal seal : epoxy
ELECTRICAL SPECIFICATIONS
• Max. current/voltage rating with resistive load : Models for high currents : see 18635A and 18645A
- gold plated brass contacts : 100mA - 30VDC at the end of the series.
- gold plated silver contacts : 1A 30VDC
• Initial contact resistance : 50 mΩmax.
• Insulation resistance : 1.000 MΩmin.
• Dielectric strength : 1.000 Vrms 50 Hz min.
• Electrical life : 60.000 cycles at full load
GENERAL SPECIFICATIONS
• Total travel : 0,5 mm (.019)
• Torque : 1,25 Nm (.922 Ft.lb) max. applied to nut
• Operating temperature : -30°C to +65°C
• Soldering : 300°C, 3 sec. max.
The company reserves the right to change specifications without notice.
13-Serie 18000-A_16-Serie 18000-A 31/10/14 09:03 Page63
UG1410A
B2-64 APEMwww.apem.com
B2
18000 series
Snap-action momentary pushbutton switches
Overview
18
SERIES
Terminals and bushing
2Straight PC terminals with Ø 6,35 (1/4)
threaded bushing
Straight PC terminals + bracket or
right angle terminals with plain bushing
5Solder lug terminals with Ø 6,35 (1/4)
threaded bushing.
7Solder lug terminals with Ø 6,35 (1/4)
flatted bushing.
8Solder lug terminals, snap-in mounting
9Straight PC terminals with Ø 6,35 (1/4)
flatted bushing.
Number of poles
3Single pole
4Double pole
Electrical function
5ON - MOM
Terminals
Blank Solder lugs or straight PC depending
on model
WRight angle, horizontal mounting
WW Right angle, vertical mounting
YBracket mounting
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 bracketed numbers.
NOTICE : please note that not all combinations of above numbers are available.
Refer to the following pages for further information.
13-Serie 18000-A_16-Serie 18000-A 31/10/14 09:03 Page64
APEM www.apem.com B2-65
B2
18000 series
Snap-action momentary pushbutton switches
Overview
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 with Ø 6,35 (1/4) threaded bushing :
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 : 25 pieces for W, WW double pole and 18800 models
50 pieces for other models.
Plungers
Blank Ø 4 (.157), long
-6 Ø 3,1 (.122), length 5,85 mm (.230)
-3Ø 4 (.157), short
-5Ø 3,1 (.122), length 6,3 mm (.248)
Special options
X624 Shorter bushing and
plunger
X662 Snap-in mounting and
straight PC terminals
Other : specific bushings,
etc... See following pages.
Caps
For Ø 4 (.157) plungers (-3, -13)
U900 Ø 5 (.196)
U1140 Ø 8 (.314)
U1720 Ø 9,4 (.370)
U480 Ø 10 (.393) - standard
U630 Ø 15 (.590)
U2430 Square
Height 4 (.157)
U2020 Square
Height 6 (.236)
For Ø 3,1 (.122) plungers (-5, -6)
U2400 Ø 5 (.196)
U2510 Ø 8 (.314)
U2130 Ø 9,4 (.370)
U2900 Ø 10 (.393)
U3400 Ø 15 (.590)
U910 Square
Height 4 (.157)
U2340 Square
Height 6 (.236)
Bezels
For snap-in mounting models
U1200
U1210 for LED
For bracket mounting models
U3200
Contact materials
AD Silver, gold plated
CD Brass, gold plated
13-Serie 18000-A_16-Serie 18000-A 04/11/14 14:48 Page65
B2-66 APEMwww.apem.com
B2
18000 series
Snap-action momentary pushbutton switches
Threaded bushing Ø 6,35 (1/4) : 18500 - 18700 - 18200
Solder lug terminals : 18500
Straight PC terminals : 18200
Flatted bushing - solder lug terminals : 18700
MODEL
STRUCTURE
•Solder lug or straight PC terminals
•Epoxy sealed terminals standard
1-3 1-2
Single pole
18535 ON MOM
Double pole
18545 ON MOM
1-3 1-2
Single pole
18735 ON MOM
Double pole
18745 ON MOM
1-3 1-2
Single pole
18235 ON MOM
Double pole
18245 ON MOM
Shown with standard plunger
➞Keyway
➞Keyway
➞Flat
➞Keyway
1 2 3
(.216)
(.161)
(.023)
5.50
4.10
0.60
(.070)
(.145)
(.078)
3.70
2.00
1.80
(.039)
1.00
(.023)
(.185)
(.187)
(.275) (.472)
7.00
0.60
4.70 12.00
4.75
EPOXY
(.039)
(.314) (.236)
(.157 DIA)
(1/4-40UNS)
8.00 6.00
1.00
Ø4.00
Ø6.35-40UNS
(.472)(.145)
(.070)
3.70 12.00
1.80
(.519)
13.20
1 2 3
1.80
12.003.70
(.070)
(.145) (.472)
Ø6.35-40UNS
1.00
6.008.00
(1/4-40UNS)
(.236)(.314)
(.039)
1 2 3
EPOXY
4.75
12.00
4.70
0.60
7.00 (.472)
(.275)
(.187)
(.185)
(.023)
(.224)
5.70
Ø4.00
(.157 DIA)
13.20
(.519)
(.185)
(.185)
(.187)
(.062 DIA)
Ø1.60
4.75
4.70 4.70
Ø6.35-40UNS
13.35
1.00
6.008.00
(1/4-40UNS)
(.236)(.314)
(.039)
(.523)
EPOXY
4.75
12.00
4.70
0.60
7.00 (.472)
(.275)
(.187)
(.185)
(.023)
(.023)
(.161)
4.10
0.60
Ø4.00
(.157 DIA)
13.20
(.519)
1 2 3
13-Serie 18000-A_16-Serie 18000-A 31/10/14 09:03 Page66
APEM www.apem.com B2-67
B2
18000 series
Snap-action momentary pushbutton switches
Threaded bushing Ø 6,35 (1/4) : 18900 - Snap-in mounting : 18800
Snap-in mounting - solder lug terminals : 18800
Flatted bushing - straight PC terminals : 18900
1-3 1-2
Single pole
18935 ON MOM
Double pole
18945 ON MOM
1-3 1-2
Single pole
18835 ON MOM
Double pole
18845 ON MOM
PANEL CUT-OUT
18500 - 18200 18700 - 18900
PANEL CUT-OUT
18800
With bezel U1200 With bezel U1210 for LED
Shown with cap U910 + U1200
Available with straight PC terminals : see
X662 under "Special options".
➞Flat
3.70 16.50
19.50
15.70
(.618)
(.767)
(.145) (.649)
2.50 Maxi
(.098 MAX) (.078)
2.00
(.023)
(.185)
0.60
4.70
EPOXY
(.187)
(.472)
12.00
4.75
(.070)
(.275)
7.00
1.80
(.161)
(.452)
(.519)
13.20
11.50
4.10
11.50
(.452)
1 2 3
0.60
4.10
(.161)
(.023) (.023)
(.185)
(.187)
(.275) (.472)
7.00
0.60
4.70 12.00
4.75
EPOXY
4.70
4.70
4.75
Ø1.60
(.062 DIA)
(.187)
(.185) (.185)
(.523)
(.039)
(.314) (.236)
(1/4-40UNS)
8.00 6.00
1.00
13.35
Ø6.35-40UNS
(.224)
5.70
Ø4.00
(.157 DIA) (.519)
13.20
1 2 3
Ø6.50
Ø2.20
5.20
(.255 DIA) (.086 DIA)
(.204)
(.590) (.590)
(.492)
15.00 15.00
12.50
(.255 DIA)
Ø6.50
2.70
(.106)
13-Serie 18000-A_16-Serie 18000-A 31/10/14 09:03 Page67
B2-68 APEMwww.apem.com
B2
18000 series
Snap-action momentary pushbutton switches
Plain bushing : 18200Y - 18200W - 18200WW
Right angle terminals - horizontal : 18200W
Straight PC terminals - bracket mounting - doube pole 18240Y
Straight PC terminals - bracket mounting - single pole 18230Y
MODEL
STRUCTURE
•Straight PC or right angle terminals
•Epoxy sealed terminals standard
18235Y ON MOM
18245Y ON MOM
Single pole
18235W ON MOM
Double pole
18245W ON MOM
Shown with standard plunger (-3)
321
(.216)
(.161)
(.023)
5.50
4.10
0.60
(.125)
(.511)(.161)
4.10 13.00
3.18
15.75
(.620)
3.18
(.125)
(.185)
4.70
EPOXY
(.062 DIA)
Ø1.60
Ø4.00
(.157 DIA) (.246 DIA)
Ø6.25
(.267) (.216)
5.506.80
1.27
(.015)
(.050)
(.620)
15.75
1 2 3
(.275)
7.00
0.40
(.620)
15.75
(.125)
3.18
15.75
3.18 (.620)
(.125)
4.75
Ø6.25
8.20
4.70
(.185)
(.187)
(.322) (.246 DIA)
(.472)
(.511)(.185)
12.00
4.70 13.00
EPOXY
(.062 DIA)
Ø1.60
3
2
1
(.283) (.200)
(.157 DIA)
5.107.20
Ø4.00
(.050)
(.015)
0.40
1.27
(.200)
(.500)(.150)
5.08
12.703.81 12.70
5.08
(.500)
(.200)
4.70
(.185)
4.70
(.185)
Ø1.60
(.062 DIA)
(.433) (.283) (.216)
(.500) (.338)
(.023) (.015)
(.275)(.145)
(.023)
(.185)
(.246 DIA) (.157 DIA)
(.500) (.338)(.150)
(.015)
(.472)
(.519)
8.60
0.40
12.70
11.00 7.20 5.50
0.60
3.81 12.70
0.40
8.60
3.70 7.00
Ø6.25 Ø4.00
0.60
4.70
13.20
12.00
EPOXY
3 2 1
13-Serie 18000-A_16-Serie 18000-A 31/10/14 09:03 Page68
APEM www.apem.com B2-69
B2
18000 series
Snap-action momentary pushbutton switches
Right angle terminals - vertical : 18200WW
CONTACT MATERIALS
AD Silver, gold plated
CD Brass, gold plated
Dash compulsory before plunger code.
PLUNGERS
Blank -6
Ø 4 (.157) - long
Ø 3,1 (.122)
-3 -5
Ø 4 (.157) - short Ø 3,1 (.122)
1-3 1-2
Single pole
18235WW ON MOM
Double pole
18245WW ON MOM
(.500) (.269)(.150)
(.433) (.283) (.216)
(.023) (.015)
(.157 DIA)
(.246 DIA) (.472)
(.023)
(.275)
(.187)
4.75
12.00
Ø4.00
Ø6.25
0.60
7.00
3.81
0.60 0.40
12.70 6.85
5.507.2011.00
EPOXY
(.519)(.118)
3.00 13.20
(.500)(.150)(.500)(.150)
(.062 DIA)
(.187)
(.200)
4.75
5.08
Ø1.60
3.81 12.70 3.81 12.70
1
2
3
5.08
(.200)
(.283)
(.039)
7.20
1.00
Ø4.00
(.157 DIA)
(.307)
7.80
(.354)
(.039)
9.00
1.00
(.236)
(.157 DIA)
Ø4.00
6.00
1.00
7.20
(.039)
(.283)
Ø3.10
(.122 DIA)
(.301)
7.65
5.85
(.230)
1.00
9.00
(.039)
(.354)
(.122 DIA)
Ø3.10
Ø4.00
1.00
5.507.20
(.157 DIA)
(.039)
(.216)(.283)
1.00
9.00
(.039)
(.354)
Ø4.00
(.157 DIA)
(.145)
3.70
6.30
Ø3.10
(.122 DIA)
(.248)(.283)
(.039)
7.20
1.00
(.354)
(.039)
9.00
1.00
Ø3.10
(.122 DIA)
(.177)
4.50
13-Serie 18000-A_16-Serie 18000-A 31/10/14 09:03 Page69
B2-70 APEMwww.apem.com
B2
18000 series
Snap-action momentary pushbutton switches
SPECIAL OPTIONS
Single pole
18235Y -2X624 ON MOM
Double pole
18245Y -2X624 ON MOM
Single pole
18835 X662 ON MOM
Double pole
18845 X662 ON MOM
X624 Straight PC terminals - bracket mounting - with shorter bushing and plunger
X662 Snap-in mounting - straight PC terminals
(.125)
(.511)(.161)
4.10 13.00
3.18
15.75
(.620)
3.18
(.125)
(.185)
4.70
EPOXY
(.062 DIA)
Ø1.60
1.27
(.015)
(.050)
(.620)
15.75
123
(.275)
7.00
0.40
Ø5.20Ø3.10
(.204 DIA)
(.122 DIA)
(.161) (.149)
3.804.10
(.620)
15.75
(.125)
3.18
15.75
3.18 (.620)
(.125)
4.75
8.20
4.70
(.185)
(.187)
(.322)
(.472)
(.511)(.185)
12.00
4.70 13.00
EPOXY
(.062 DIA)
Ø1.60
3
2
1
(.050)
(.015)
0.40
1.27
(.122 DIA) (.204 DIA)
(.161) (.149)
Ø3.10 Ø5.20
3.804.10
19.50
15.70
(.618)
(.767)
2.50 Maxi
(.098 MAX) (.078)
2.00
(.023)
(.185)
0.60
4.70
1 2 3
EPOXY
(.187)
(.472)
12.00
4.75
(.275)
7.00
(.161)
(.452)
(.519)
13.20
11.50
4.10
11.50
(.452)
(.023)
0.60
(.700)(.161)
4.10 17.80
(.185)
(.185)
(.187)
(.062 DIA)
Ø1.60
4.75
4.70 4.70
13-Serie 18000-A_16-Serie 18000-A 31/10/14 09:03 Page70
APEM www.apem.com B2-71
B2
18000 series
Snap-action momentary pushbutton switches
X438 Plain bushing Ø 6,25 mm (.246). Height 7,2 mm (.283) -without
shoulder.
X371 Plain bushing Ø 6,25 mm (.246) (instead of standard threaded
bushing).
X372 Shorter threaded bushing Ø 6,35 (1/4). Height 7 mm (.274).
X386 Threaded bushing Ø 6,35 mm (1/4) to replace plain bushing
on models W - WW and Y.
X371
X372
X386
X438
SPECIAL OPTIONS (continued)
(.275)
(.039)
7.00
1.00
Ø6.35-40UNS
(1/4-40UNS
(.236)
(.039)
6.00
1.00
Ø6.25
(.246 DIA)
(.354)
(.039)
9.00
1.00
Ø6.35-40UNS
(1/4-40UNS
(.283)
(.246 DIA)
Ø6.25
7.20
CAPS
+ U...
U900 U1140 U1720
U480 U630
U2020
U2430
Caps for Ø 4 (.157) plungers (-13, -3)
Square
Square
(.157)
(.196)
(.129)
4.00
3.30
Ø5.00
(.250)
(.314)
(.118)
3.00
6.35
Ø8.00
(.118)
(.370)
(.250)
3.00
6.35
Ø9.40
(.452 SQ)
(.157)
(.196)
4.00
3.00
11.50x11.50
(.590 DIA)
(.393)
(.118)
3.00
10.00
Ø15.00
(.118)
(.393)
(.295)
Ø10.00
7.50
3.00
(.236)
(.452 SQ)
(.195)
6.00
5.00
11.50x11.50
Cap colours
Replace last "0" by number
1blue 5yellow
1/4 dark blue 6red
2black 7ivory
3green 7/1 white
4grey 9orange
13-Serie 18000-A_16-Serie 18000-A 31/10/14 09:03 Page71
B2-72 APEMwww.apem.com
B2
18000 series
Snap-action momentary pushbutton switches
U2400 U2510
U2130 U2900
U3400 U910 U2340
Caps for Ø 3,1 (.122) plungers (-5, -6)
Square Square
(.157)
(.129)
(.196 DIA)
3.30
4.00
Ø5.00
(.250)
(.118)
(.314 DIA)
3.00
6.35
Ø8.00
(.295)
(.118)
(.393 DIA)
3.00
7.50
Ø10.00
(.157)
(.106)
(.452 SQ)
4.00
2.70
11.50x11.50
(.452 SQ)
(.196)
(.236)
5.00
6.00
11.50x11.50
(.370 DIA)
(.250)
(.129)
3.30
6.35
Ø9.40
(.393)
(.137)
(.590 DIA)
10.00
3.50
Ø15.00
CAPS (continued)
+ U...
U910 U2340
Caps for 18800 and 18800X662 models
Cap colours
Replace "0" by
number
1blue
1/4 dark blue
2black
3green
4grey
5yellow
6red
7ivory
7/1 white
9orange
Square Square
(.157)
(.106)
(.452 SQ)
4.00
2.70
11.50x11.50
(.452 SQ)
(.196)
(.236)
5.00
6.00
11.50x11.50
13-Serie 18000-A_16-Serie 18000-A 31/10/14 09:03 Page72
APEM www.apem.com B2-73
B2
18000 series
Snap-action momentary pushbutton switches
(.161)
2.00
(.078)
4.10
4.10
(.161)
(.078)
2.00
U1200
U1210
U3200
For snap-in models (18800 - 18800X662)
For bracket mounting models
(18200Y & 18200YX624)
Bezel colours
Replace last
"0" by number
1blue
1/4 dark blue
2black
3green
4grey
5yellow
6red
7ivory
7/1 white
9orange
For LED Ø 5 - not supplied
BEZELS
+ U...
(.618)
(.476)
(.476)
(.767)
(.078)
12.10
19.50
2.00
12.10
15.70
15.70
12.10 2.00
19.50
12.10
(.078)
(.767)
(.476)
(.476)
(.618)
(.188)
4.80
15.70
12.10
(.476)
(.618)
(.476) (.078)
(.196)
(1.102)
(.519)
(.196 DIA)
(.279 DIA)
13.20
Ø5.00
28.00
2.00
5.00
12.10
Ø7.10
(.383)
9.75
STANDARD PANEL MOUNTING
Panel thickness with bezel : 1 mm (.039) to 2,5 mm (.098)
18800 + U910 + U1200 18800 + U910 + U1210
U840 U825
U1636
DRESS NUTS
For models with threaded bushing (18500 - 18700 - 18200 - 18900)
Chrome plated - Order separately.
For cap U480 and U2900 For caps U630 and U3400For caps U1140 and U2510
(.322 DIA)
(.500 DIA)
(1/4-40UNS)
(.322)
(.244)
Ø12.70
Ø8.20
6.20
8.20
Ø6.35-40UNS
(.413 DIA)
(.531 DIA)
(.314)
(.228)
Ø10.50
Ø13.50
5.80
8.00
Ø6.35-40UNS
(1/4-40UNS)
(.610 DIA)
(.728 DIA)
Ø18.50
Ø15.50
Ø6.35-40UNS
(1/4-40UNS)
8.00
(.314)
(.228)
5.80
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B2-74 APEMwww.apem.com
B2
18000 series
Snap-action momentary pushbutton switches
❑For high currents
❑Tactile feedback
MATERIALS
• Case : diallylphthalate (DAP)
• Actuator : glass filled polyester
• Bushing : brass, nickel plated
• Housing : stainless steel
• Contacts : silver
• Terminal seal : epoxy
ELECTRICAL SPECIFICATIONS
• Max. current/voltage rating with resistive load : 7A 30VDC
• Initial contact resistance : 20 mΩmax. at 0,1A 3VDC
• Insulation resistance : 200.000 MΩmin. between terminals and frame
• Dielectric strength : 1.500 Vrms 50 Hz min.
• Electrical life : 60.000 cycles at full load
GENERAL SPECIFICATIONS
• Travel : 0,90 mm (.035)
approx.
• Operating temperature :
-30°C to +85°C
13-Serie 18000-A_16-Serie 18000-A 31/10/14 09:03 Page74
APEM www.apem.com B2-75
B2
18000 series
Snap-action momentary pushbutton switches
Single pole
Double pole
•Threaded bushing Ø 6,35 (1/4)
• Solder lug terminals
• Epoxy sealed terminals
18635A ON MOM
18645A ON MOM
➞Keyway
➞Keyway
➞Keyway
COMM NO NC
(.230)
(.122 DIA)
COMM
NC
NO
5.85
Ø3.10
2.35
(.172)
0.75
(.030)
(.040)
7.35
(.290)
1.00
10.65
(.420) (.290)
12.70
(.185)
4.70
(.500)
(.093)
4.35 7.35
(1/4-40UNS)
Ø6.35-40UNS
EPOXY
(.500)
(.500)
(.290) (.420) (.172)
(.230)
(.122 DIA)
(.093)
(1/4-40UNS)
(.185)
(.030)
7.35 10.65 4.35 12.70
5.85
Ø6.35-40UNS
Ø3.10
2.35
0.75
4.70
12.70
COMM
NO
NC
(.040)
1.00
(.210)
5.35
EPOXY
PANEL CUT-OUT
(.187 –.005)
(.250 DIA )
(.078 DIA )
Ø2.00
4.75–0.10
Ø6.35 +0.10
0.00
+0.10
0.00 +.003
.000
+.003
.000
MODEL
STRUCTURE
Round Square
U2400 Ø 5 (.196) U910 Height 4 (.157)
U2510 Ø 8 (.314) U2340 Height 6 (.236)
U2130 Ø 9,4 (.370)
U2900 Ø 10 (.393)
U3400 Ø 15 (.590)
For cap dimensions, see “Caps for Ø 3,1 (.122) plungers” on the preceding pages.
CAPS
+ U...
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