C&K LC Series Subminiature Precision Snap-acting Switches
Features/Benefits • Compact design • Long life and high electrical capacity • Quick connect, wire lead or PC mounting • Wide variety of actuator styles Typical Applications • Motorized equipment • Sump pump • Thermostatic controls
Models Available
Specifications
CONTACT RATING: From low level* to 10.1 AMPS @ 250 V AC. ELECTRICAL LIFE: 100,000 cycles at 5 AMPS @ 250 V AC. INSULATION RESISTANCE: 1,000 M o h m min. DIELECTRIC STRENGTH: 1,000 Vrms min. @ sea level. OPERATING TEMPERATURE: –17ºF to 185ºF (–25ºC to 85ºC). OPERATING FORCE: From 142 to 170 grams at actuator button. Forces are less at free end of lever actuators; (see OPERATING FORCE and ACTUATOR option sections). MOUNTING: 2-56 screws, torque 2.3 in/lbs max.
* Low Level=conditions where no arcing occurs during switching, i.e., 0.4 VA max. @ 20 V AC or DC max. NOTE: For the latest information regarding RoHS compliance, please go to: www.ittcannon.com/rohs. NOTE: Specifications and materials listed above are for switches with standard options. For information on specific and custom switches, consult Customer Service center.
Materials
SWITCH HOUSING: Thermoplastic polyester or high temperature thermoplastic (PTS) (UL 94V-0). ACTUATOR BUTTON: Thermoplastic polyester (UL 94V-0). SPRING: Copper alloy. PIVOT: Copper alloy. MOVABLE CONTACTS: Fine silver for ratings greater than 1 AMP @ 125 V AC. Fine silver with 24K gold plate for 1 AMP @ 125 V AC or less. STATIONARY CONTACTS: Fine silver welded on copper alloy for ratings greater than 1 AMP @ 125 V AC. Gold alloy welded on copper alloy for ratings less than 1 AMP @ 125 V AC. TERMINALS: Copper alloy. TERMINAL SEAL: Epoxy.
K Snap-acting
Build-A-Switch
To order, simply select desired option from each category and place in the appropriate box. Available options are shown and described on pages K-18 through K-20. For additional options not shown in catalog, consult Customer Service Center.
L Series LC SP, Mom. Operating Force GG 5 oz./142 grams GD 3.3 oz./94 grams GH 6 oz./170 grams
C
Electrical Rating F5 1 A, 125, V AC, 30 V DC L9 5 A, 1/3 HP, 125, 250 V AC M1 10.1 A, 1/3 HP, 125, 25O V AC V6 5 A, 1/3 HP, 125, 250 V AC X1 1 A, 125 V AC, 3O V DC
Actuator P00 Pin plunger A10 .28" lever roller, high force A25 .61" lever roller, low force T10 .29" lever, high force T13 .22" simulated roller, high force T20 .38" lever, low force T23 .32" simulated roller, low force T25 .67" lever, low force
Terminations E Solder H .110" quick connect J Wire lead L Left formed PC thru-hole R Right formed PC thru-hole S PC Thru-hole Circuitry C SPDT W SPST N.C. Y SPST N.O.
Electrical Life NONE 6,000 operations U Extended 100,000 operations Seal NONE (STD.) No seal E Epoxy seal
Dimensions are shown: Inch (mm) Specifications and dimensions subject to change
K–17
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C&K LC Series Subminiature Precision Snap-acting Switches
SERIES
LC
SUBMINIATURE PRECISION SNAP-ACTING SWITCHES SP MOMENTARY
K Snap-acting
OPERATING FORCE
OPTION CODE
BASIC SWITCH OPERATING FORCES (OZ./GRAMS) 5 142 3.3 94 6 170
GG GD GH
NOTE: Operating force varies with actuator option, see ACTUATOR option section.
ELECTRICAL RATING
OPTION CODE DOMESTIC INTERNATIONAL RoHS COMPLIANT * RoHS COMPATIBLE * Yes Yes Yes
CONTACT MATERIAL
MOVABLE CONTACT Fine silver with 24K gold plate. Fine silver.
STATIONARY CONTACT Fine silver with 24K gold plate on copper base alloy. Fine silver welded on copper base alloy.
ELECTRICAL RATING From low level* to 1 AMP @ 125 V AC, 30 V DC. 5 AMPS, 1/3 HP @ 125 & 250 V AC. 10.1 AMPS, 1/3 HP @ 125 & 250 V AC.
F5 L9 M1
X1 V6
Yes Yes Yes
* Note: See Technical Data section of this catalog for RoHS compliant and compatible definition and specifications. Consult Customer Service Center for availability and delivery of nonstandard ratings. *Low Level = conditions where no arcing occurs during switching, i.e., 0.4 VA max. @ 20 V AC or DC max.
All models
with all options,
also available.
Dimensions are shown: Inch (mm) Specifications and dimensions subject to change
K–18
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C&K LC Series Subminiature Precision Snap-acting Switches
ACTUATOR
HIGH FORCE A OPTION CODE FIG. 1 7 2 3 5 4 6 4 DIM. A .30 (7,6) .28 (7,1) .61 (15,5) .29 (7,4) .22 (5,6) .39 (9,9) .32 (8,1) .67 (17,0) DIM. B .330 ± .015 (8,38 ± 0,38) .560 ± .070 (14,22 ± 1,78) .560 ± .175 (14,22 ± 4,45) .340 ± .070 (8,64 ± 1,78) .455 ± .065 (11,56 ± 1,65) .340 ± .140 (8,64 ± 3,56) .455 ± .125 (11,56 ± 3,18) .340 ± .185 (8,64 ± 4,70) DIM. C — .19 dia. (4,8Ø) .19 dia. (4,8Ø) — — — B — — B B B B B A A
P00 A10 A25 T10 T13 T20 T23 T25
FIG. 1 Pin Plunger
A C
FIG. 3 Lever
LOW FORCE A
FIG. 5 Simulated Roller
A
FIG. 2 Lever Roller
FIG. 4 Lever
FIG. 6 Simulated Roller
BASIC FORCE A C
K Snap-acting
B
FIG. 7 Lever Roller
SWITCH CHARACTERISTICS
MAXIMUM DIFFERENTIAL TRAVEL GH .42 12 .32 9 .21 6 .16 4.5 2.0 57 .39 11 .42 12 .21 6 .21 6 .14 4 ALL FORCES .034 (0,86) .044 (1,12) .067 (1,70) .086 (2,18) .004 (0,10) .035 (0,90) .032 (0,81) .067 (1,70) .062 (1,57) .090 (2,29)
MAXIMUM OPERATING FORCE (OZ./GRAMS) OPTION CODE A10 A15 A20 A25 P00 T10 T13 T20 T23 T25 GG 1.69 48 1.3 37 0.9 26 .70 20 5 142 1.7 48 1.8 52 0.9 26 1.0 28 0.7 19 GD 1 28 .68 19 .52 15 .42 12 3.3 95 1 28 1.2 34 .52 15 .52 15 .05 14 GH 2.0 57 1.6 44 1.1 31 .85 24 6 170 2.1 60 2.2 62 1.1 30 1.2 34 0.8 24 GG .21 6 .16 4.5 .11 3 .07 2 1 28 .21 6 .21 6 .10 3 .10 3 .07 2
MINIMUM RELEASE FORCE (OZ./GRAMS) GD .11 3 .07 2 .05 15 .04 1 .05 14 .10 3 .03 1 .03 1 .03 1 .03 1
MAXIMUM PRETRAVEL ALL FORCES .140 (3,56) .180 (4,57) .272 (6,91) .351 (8,92) .030 (0,76) .140 (3,56) .130 (3,30) .276 (7,01) .252 (6,40) .372 (9,45)
MINIMUM OVERTRAVEL ALL FORCES .029 (0,74) .037 (0,94) .053 (1,53) .068 (1,73) .010 (0,25) .029 (0,74) .026 (0,66) .053 (1,35) .049 (1,24) .072 (1,83)
NOTE: For basic switch operating forces, see page K-18.
Dimensions are shown: Inch (mm) Specifications and dimensions subject to change
K–19
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C&K LC Series Subminiature Precision Snap-acting Switches
TERMINATIONS
E
SOLDER
H
.110" QUICK CONNECT
NOTE: Use Amp Quick Connect Part No. 640932-1.
J
WIRE LEAD RATING 1 AMP 5 AMPS 10.1 AMPS
WIRE SIZE 22 AWG 20 AWG 18 AWG
L
LEFT FORMED PC THRU-HOLE PC MOUNTING
TERMINAL
WIRE COLOR BLACK WHITE
K Snap-acting
COMMON NORMALLY OPEN NORMALLY CLOSED
RED
R
RIGHT FORMED PC TRU-HOLE PC MOUNTING
S
PC THRU-HOLE PC MOUNTING
CIRCUITRY
C W Y
SPDT (Single Pole, Double Throw) SPST N.C. (Single Pole, Single Throw, Normally Closed) SPST N.O. (Single Pole, Single Throw, Normally Open)
ELECTRICAL LIFE
NONE
6,000 OPERATIONS
U
EXTENDED 100,000 OPERATIONS
SEAL
NONE
NO SEAL
E
EPOXY SEAL
EPOXY
.075 MAX. (1,91) Dimensions are shown: Inch (mm) Specifications and dimensions subject to change
K–20
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