C&K LF Series
Precision Snap-acting Reset Switches
Features/Benefits
•
Low operating force
•
Long life
•
Compact design
•
High electrical ratings
Typical Applications
•
Pumps
•
Furnace controls
Specifications
CONTACT RATING:
5 Amps @ 250 V AC (UL/CSA)
2 Amps @ 480 V AC (UL/CSA)
1/2 HP @ 480 V (UL/CSA)
5 (1) Amps @ 250 V AC ~ 10E3 T90 VDE
ELECTRICAL LIFE: 100,000 cycles at 5 Amps @ 250
INSULATION RESISTANCE: 1,000 Meg Ohms Min.
DIELECTRIC STRENGTH: 1,000 V RMS min. @ sea
OPERATING TEMPERATURE: -40 C to 95 C
OPERATING FORCE: 15 grams / .53 oz
MOUNTING: 2-56 screws, torque 2.3 in/ lbs max
Materials
SWITCH HOUSING: 6/6 nylon
ACTUATOR BUTTON: Thermoset
SPRING: Beryllium copper
MOVABLE CONTACT: Fine silver
STATIONARY CONTACT: Fine silver on copper alloy
NOTE:
For the latest information regarding RoHS compliance, please go
to: www.ittcannon.com/rohs.
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-53 and K-54. For additional options not shown in catalog, consult Customer Service Center.
L
Series
LF
Electrical Rating
05A
5 Amp
F
0
5
A
0
8
0
L
2
7
Q
Y
Operating Force
080
2.82 oz. / 80 grams
Actuator
L27
1.078” (27,39) lever
Terminations
Q
.110 quick connect
Circuitry
Y
N.O.
Dimensions are shown: Inch (mm)
Specifications and dimensions subject to change
K–53
www.ittcannon.com
C&K LF Series
Precision Snap-acting Reset Switches
LF
PRECISION SNAP-ACTING RESET SWITCH
.240
(6,10)
.050
(1,27)
.181
(4,60)
.281
(7,14)
1.078
(27,39)
.898
(22,8)
.075
(1,91)
.370-.510
(9,4-12,95)
OPER. POS.
.265
(6,73)
.284
(7,21)
.020
(0,51)
.762
(19,35)
.835
(21,21)
.108
(2,74)
.074
(1,88)
.098 DIA
(2,49ø)
.276 TYP.
(7,01)
.110
(2,79)
.255
(6,48)
ELECTRICAL RATING
Electrical Rating
Option
Code
RoHS
Compliant *
RoHS
Compatible *
Moveable Contact
Stationary Contact
Electrical Rating
5 Amps @ 250VAC (UL/CSA)
2 Amps @ 480VAC (UL/CSA)
1/2 @ 480VAC (UL/CSA)
5 (1) @ 250VAC-10E3 T90 (VDE)
K
Snap-acting
05A
Yes
Yes
Fine Silver
Fine Silver on
copper alloy
* Note: See Technical Data in section N of this catalog for RoHS compliant and compatible definition and specifications.
All models
with all options.
Consult Customer Service center for availability and delivery of nonstandard ratings.
*Electrical rating 03A is not available with Operating Force rating of 080.
OPERATING FORCE
BASIC SWITCH
OPERATING FORCE
(OZ./GRAMS)
OPTION CODE
080
2.82/80
*Electrical rating 03A is not available with Operating Force rating of 080.
ACTUATOR
Switch Characteristic
Option Code
Maximum Operate Force
oz/grams
0.53
15
Minimum Open Position
0.51
(9,4)
Maximum Closed Position
0.37
(12,95)
L27
Dimensions are shown: IN (mm)
Specifications and dimensions subject to change
K-54
www.ittcannon.com
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