SNAP
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ACTION MOMENTARY PUSHBUTTON SWITCHES
Overview
18
18000 SERIES
SERIES
Number of poles
3
4
Single pole
Double pole
Blank
W
WW
Y
Terminals
Solder lugs or straight PC depending
on model
Right angle, horizontal mounting
Right angle, vertical mounting
Bracket mounting
D
Terminals and bushing
2
Straight PC terminals with Ø 6,35 (1/4)
threaded bushing
Straight PC terminals + bracket or
right angle terminals with plain bushing
Solder lug terminals with Ø 6,35 (1/4)
threaded bushing.
Solder lug terminals with Ø 6,35 (1/4)
flatted bushing.
Solder lug terminals, snap-in mounting
Straight PC terminals with Ø 6,35 (1/4)
flatted bushing.
5
Electrical function
ON
-
MOM
5
7
8
9
ABOUT THIS SERIES
On the following pages, you will find successively :
- specifications
- 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.
NOTICE
: please note that not all combinations of above numbers are available.
Refer to the following pages for further information.
D-50
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SNAP
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ACTION MOMENTARY PUSHBUTTON SWITCHES
Overview
18000 SERIES
Contact materials
AD
CD
Silver, gold plated
Brass, gold plated
Special options
X624
Shorter bushing and
plunger
X662
Snap-in mounting and
straight PC terminals
Other : specific bushings,
etc... See following pages.
Bezels
For snap-in mounting models
U1200
U1210
for LED
For bracket mounting models
U3200
D
Plungers
-13
-6
-3
-5
Ø 4 (.157), length 6 mm (.236)
Standard with threaded bushing
Ø 3,1 (.122), length 5,85 mm (.230)
Ø 4 (.157), length 5,5 mm (.216)
Standard with plain bushing
Ø 3,1 (.122), length 6,3 mm (.248)
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)
Sealing boots
are available to protect the switches against dust and water. They are presented in section N.
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 N.
Packaging unit
: 25 pieces for W, WW double pole and 18800 models
50 pieces for other models.
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D-51
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ACTION MOMENTARY PUSHBUTTON SWITCHES
Specifications
ELECTRICAL SPECIFICATIONS
18000 SERIES
D
• Max. current/voltage rating with resistive load :
- gold plated brass contacts : 100mA - 30VDC
- gold plated silver contacts : 1A 120VAC, 1A 30VDC
• Initial contact resistance : 50 mΩ max.
• Insulation resistance : 1.000 MΩ min.
• Dielectric strength : 1.000 Vrms 50 Hz min.
• Electrical life : 60.000 cycles at full load
MATERIALS
GENERAL SPECIFICATIONS
• 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
• Terminals seal : epoxy
• Total travel : 0,5 mm (.019)
• Torque : 1,25 Nm (.922 Ft.lb) max. applied to nut
• Operating temperature : -30°C to +65°C
D-52
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ACTION MOMENTARY PUSHBUTTON SWITCHES
Threaded bushing Ø 6,35 (1/4) : 18500 - 18700 - 18200
18000 SERIES
©
Keyway
•
Solder lug or straight PC terminals
•
Epoxy sealed terminals standard
2.00
(.078)
3.70
(.145)
5.50
(.216)
1
2
3
1.00
(.039)
1.80
(.070)
0.60
(.023)
4.10
(.161)
D
MODEL
STRUCTURE
Shown with standard plunger (-13)
Solder lug terminals : 18500
©
Keyway
6.00
(.236)
Ø4.00
(.157 DIA)
13.20
(.519)
Ø6.35-40UNS
(1/4-40UNS)
1-3
Single pole
18535
Double pole
18545
ON
1-2
8.00
(.314)
1.00
(.039)
1
2
3
3.70
(.145)
12.00
(.472)
12.00
(.472)
MOM
1.80
(.070)
7.00
(.275)
ON
MOM
0.60
(.023)
4.75
(.187)
4.70
(.185)
EPOXY
Flatted bushing - solder lug terminals : 18700
©
Flat
6.00
(.236)
Ø4.00
(.157 DIA)
13.20
(.519)
5.70
(.224)
Ø6.35-40UNS
(1/4-40UNS)
1-3
Single pole
18735
Double pole
18745
ON
1-2
8.00
(.314)
1.00
(.039)
12.00
(.472)
MOM
1.80
(.070)
7.00
(.275)
3.70
(.145)
ON
MOM
0.60
(.023)
1
2
3
12.00
(.472)
4.75
(.187)
4.70
(.185)
EPOXY
Straight PC terminals : 18200
©
Keyway
6.00
(.236)
Ø4.00
(.157 DIA)
13.20
(.519)
Ø6.35-40UNS
(1/4-40UNS)
4.70
(.185)
Ø1.60
(.062 DIA)
1.00
(.039)
13.35
(.523)
4.75
(.187)
4.10
(.161)
12.00
(.472)
4.75
(.187)
1-3
Single pole
18235
Double pole
18245
ON
1-2
8.00
(.314)
4.70
(.185)
MOM
0.60
(.023)
7.00
(.275)
ON
MOM
0.60 1
(.023)
4.70
(.185)
EPOXY
2
3
A P E M
D-53
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ACTION MOMENTARY PUSHBUTTON SWITCHES
Threaded bushing Ø 6,35 (1/4) : 18900 - Snap-in mounting : 18800
Flatted bushing - straight PC terminals : 18900
18000 SERIES
©
Flat
6.00
(.236)
5.70
(.224)
4.70
(.185)
Ø1.60
(.062 DIA)
8.00
(.314)
1.00
(.039)
13.35
(.523)
4.70
(.185)
4.75
(.187)
4.10
(.161)
12.00
(.472)
4.75
(.187)
11.50
(.452)
2.00
(.078)
1
3.70
(.145)
0.60
(.023)
4.70
(.185)
13.20
(.519)
12.00
(.472)
EPOXY
2
3
2.50 Maxi
(.098 MAX)
4.75
(.187)
Ø4.00
(.157 DIA)
13.20
(.519)
Ø6.35-40UNS
(1/4-40UNS)
1-3
Single pole
18935
ON
1-2
MOM
D
Double pole
18945
ON
MOM
0.60
(.023)
7.00
(.275)
0.60 1
(.023)
4.70
(.185)
EPOXY
2
3
Snap-in mounting - solder lug terminals : 18800
15.70
(.618)
Shown with cap U910 + U1200
19.50
(.767)
4.10
(.161)
11.50
(.452)
1-3
Single pole
18835
Double pole
18845
ON
1-2
16.50
(.649)
1.80
(.070)
7.00
(.275)
Ø8.00
(.314 DIA)
13.20
(.519)
MOM
ON
MOM
Available with straight PC terminals : see
X662 under "Special options".
PANEL CUT
-
OUT
18500 - 18200
Ø6.50
(.255 DIA)
Ø2.20
(.086 DIA)
18700 - 18900
Ø6.50
(.255 DIA)
5.20
(.204)
2.70
(.106)
PANEL CUT
-
OUT
18800
15.00
(.590)
15.00
(.590)
With bezel
U1200
12.50
(.492)
With bezel
U1210
for LED
D-54
12.50
(.492)
A P E M
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