C&K, now part of Littelfuse

C&K, now part of Littelfuse

C&K is a leading global manufacturer of high-quality electromechanical switches and interface control systems. With over a century of experience, C&K offers a diverse range of products including tactile switches, toggle switches, pushbutton switches, rotary switches, and more. Their switches are designed to meet the demanding requirements of various industries such as automotive, aerospace, medical, and industrial automation. Known for their reliability, durability, and precision, C&K's switches ensure optimal performance and longevity. The company is committed to innovation and customer satisfaction, making them a trusted choice for customers worldwide seeking top-notch electromechanical switch solutions.

Limit Switches

Results:
1,424
Series
Operating Force
Overtravel
Pretravel
Differential Travel
Release Force
Termination Style
Current Rating (Amps)
Actuator Type
Voltage Rating - DC
Mounting Type
Voltage Rating - AC
Operating Temperature
Ingress Protection
Circuit
Switch Function
Operating Position
Features
Results remaining1,424
Applied Filters:
C&K, now part of Littelfuse
Select
ImageProduct DetailPriceAvailabilityECAD ModelVoltage Rating - ACFeaturesIngress ProtectionOperating TemperatureMounting TypeTermination StyleCircuitActuator TypeSwitch FunctionCurrent Rating (Amps)Voltage Rating - DCSeriesOperating ForceRelease ForcePretravelDifferential TravelOvertravelOperating Position
ZMSH00130T10RRC
SWITCH SNAP ACT SPDT PC TH
Contact us
Quantity
1 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
-
-
IP65 - Dust Tight, Water Resistant
-40°C ~ 85°C
Through Hole, Right Angle
PC Pin
SPDT
Lever, Straight
On-Mom
100mA (DC)
12 V
ZMS
195gf
55gf
0.152" (3.85mm)
0.020" (0.5mm)
0.084" (2.14mm)
0.441" (11.2mm)
HBS1KAX3SP011C
SWITCH SNAP ACTION SPDT 20A 125V
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
125 V
-
IP65 - Dust Tight, Water Resistant
-55°C ~ 150°C
Chassis Mount
Solder Lug
SPDT
Round (Pin Plunger)
On-Mom
20A (AC), 500mA (DC)
125 V
HB
255gf
113gf
0.015" (0.4mm)
0.0005" (0.013mm)
0.005" (0.13mm)
HBS2KAF5SF055C
SWITCH SNAP ACTION SPDT 1A 125V
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
125 V
-
IP65 - Dust Tight, Water Resistant
-55°C ~ 150°C
Chassis Mount
Screw Terminal
SPDT
Lever, Roller
On-Mom
1A (AC/DC)
30 V
HB
283gf
85gf
0.080" (2.0mm)
0.005" (0.12mm)
0.060" (1.5mm)
HBS2KCX3SD011C
SWITCH SNAP ACTION SPDT 20A 125V
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
125 V
-
IP65 - Dust Tight, Water Resistant
-55°C ~ 150°C
Chassis Mount
Solder Lug
SPDT
Round (Pin Plunger)
On-Mom
20A (AC), 500mA (DC)
125 V
HB
368gf
113gf
0.020" (0.5mm)
0.002" (0.05mm)
0.055" (1.4mm)
HBS2KCX3SF055C
SWITCH SNAP ACTION SPDT 20A 125V
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
125 V
-
IP65 - Dust Tight, Water Resistant
-55°C ~ 150°C
Chassis Mount
Screw Terminal
SPDT
Lever, Roller
On-Mom
20A (AC), 500mA (DC)
125 V
HB
283gf
85gf
0.080" (2.0mm)
0.008" (0.2mm)
0.090" (2.3mm)
HBS2KCX3SJ011C
SWITCH SNAP ACTION SPDT 20A 125V
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
125 V
-
IP65 - Dust Tight, Water Resistant
-55°C ~ 150°C
Panel Mount
Solder Lug
SPDT
Overtravel Plunger
On-Mom
20A (AC), 500mA (DC)
125 V
HB
368gf
113gf
0.020" (0.5mm)
-
0.219" (5.6mm)
HBS2KCX3SJ055C
SWITCH SNAP ACTION SPDT 20A 125V
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
125 V
-
IP65 - Dust Tight, Water Resistant
-55°C ~ 150°C
Panel Mount
Screw Terminal
SPDT
Overtravel Plunger
On-Mom
20A (AC), 500mA (DC)
125 V
HB
368gf
113gf
0.020" (0.5mm)
-
0.219" (5.6mm)
HBS2KCX3SP011C
SWITCH SNAP ACTION SPDT 20A 125V
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
125 V
-
IP65 - Dust Tight, Water Resistant
-55°C ~ 150°C
Chassis Mount
Solder Lug
SPDT
Round (Pin Plunger)
On-Mom
20A (AC), 500mA (DC)
125 V
HB
368gf
113gf
0.020" (0.5mm)
0.002" (0.05mm)
0.005" (0.13mm)
HBS2KCX3SP055C
SWITCH SNAP ACTION SPDT 20A 125V
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
125 V
-
IP65 - Dust Tight, Water Resistant
-55°C ~ 150°C
Chassis Mount
Screw Terminal
SPDT
Round (Pin Plunger)
On-Mom
20A (AC), 500mA (DC)
125 V
HB
368gf
113gf
0.020" (0.5mm)
0.002" (0.05mm)
0.005" (0.13mm)
HBS2KCX3ST011C
SWITCH SNAP ACTION SPDT 20A 125V
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
125 V
-
IP65 - Dust Tight, Water Resistant
-55°C ~ 150°C
Chassis Mount
Solder Lug
SPDT
Lever, Straight
On-Mom
20A (AC), 500mA (DC)
125 V
HB
-
-
-
-
-
HBS2KGX3SA011C
SWITCH SNAP ACTION SPDT 20A 125V
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
125 V
-
IP65 - Dust Tight, Water Resistant
-55°C ~ 150°C
Chassis Mount
Solder Lug
SPDT
Lever, Roller
On-Mom
20A (AC), 500mA (DC)
125 V
HB
99gf
21gf
0.312" (7.9mm)
0.062" (1.6mm)
0.156" (3.96mm)
HBS2KGX3ST011C
SWITCH SNAP ACTION SPDT 20A 125V
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
125 V
-
IP65 - Dust Tight, Water Resistant
-55°C ~ 150°C
Chassis Mount
Solder Lug
SPDT
Lever, Straight
On-Mom
20A (AC), 500mA (DC)
125 V
HB
71gf
14gf
0.380" (9.65mm)
0.080" (2.0mm)
0.190" (4.8mm)
HBS2KHX3SJ055C
SWITCH SNAP ACTION SPDT 20A 125V
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
125 V
-
IP65 - Dust Tight, Water Resistant
-55°C ~ 150°C
Panel Mount
Screw Terminal
SPDT
Overtravel Plunger
On-Mom
20A (AC), 500mA (DC)
125 V
HB
567gf
113gf
0.025" (0.65mm)
-
0.219" (5.6mm)
TFEEJ6MT1040Y
SWITCH SNAP ACT SPST-NO 15A 277V
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
277 V
-
-
-40°C ~ 85°C
Chassis Mount
Quick Connect - 0.187" (4.7mm)
SPST-NO
Lever, Straight
Off-Mom
15A (AC), 500mA (DC)
125 V
TF
400gf
110gf
0.060" (1.5mm)
0.015" (0.38mm)
0.030" (0.76mm)
TFCFV2ST255BY
SWITCH SNAP ACT SPST-NO 5A 277V
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
277 V
-
-
-40°C ~ 85°C
Chassis Mount
Quick Connect - 0.187" (4.7mm)
SPST-NO
Lever, Straight
Off-Mom
5A (AC)
-
TF
15gf
2.000gf
0.250" (6.35mm)
0.055" (1.4mm)
0.125" (3.2mm)
TFCDF5ST155AC
SWITCH SNAP ACTION SPDT 1A 125V
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
125 V
-
-
-40°C ~ 85°C
Chassis Mount
Quick Connect - 0.250" (6.3mm)
SPDT
Lever, Straight
On-Mom
1A (AC/DC)
30 V
TF
12gf
4.000gf
0.110" (2.8mm)
0.030" (0.76mm)
0.065" (1.7mm)
TFCDF5ST1840C
SWITCH SNAP ACTION SPDT 1A 125V
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
125 V
-
-
-40°C ~ 85°C
Chassis Mount
Quick Connect - 0.187" (4.7mm)
SPDT
Lever, Straight
On-Mom
1A (AC/DC)
30 V
TF
6.000gf
1.000gf
0.300" (7.6mm)
0.062" (1.6mm)
0.155" (3.9mm)
TFCDF5ST255AY
SWITCH SNAP ACT SPST-NO 1A 125V
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
125 V
-
-
-40°C ~ 85°C
Chassis Mount
Quick Connect - 0.250" (6.3mm)
SPST-NO
Lever, Straight
Off-Mom
1A (AC/DC)
30 V
TF
8.000gf
2.000gf
0.250" (6.35mm)
0.055" (1.4mm)
0.125" (3.2mm)
TFCDF5VT1840C
SWITCH SNAP ACTION SPDT 1A 125V
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
125 V
-
-
-40°C ~ 85°C
Chassis Mount
Quick Connect - 0.187" (4.7mm)
SPDT
Lever, Straight
On-Mom
1A (AC/DC)
30 V
TF
6.000gf
1.000gf
0.300" (7.6mm)
0.062" (1.6mm)
0.155" (3.9mm)
TFCDV1SP005BC
SWITCH SNAP ACTION SPDT 1A 125V
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
125 V
-
-
-40°C ~ 85°C
Chassis Mount
Quick Connect - 0.187" (4.7mm)
SPDT
Round (Pin Plunger)
On-Mom
1A (AC/DC)
30 V
TF
25gf
10gf
0.047" (1.2mm)
0.010" (0.25mm)
0.050" (1.27mm)

About  Limit Switches

Snap action limit switches are mechanical devices that play a crucial role in making or breaking electrical connections. They achieve this by either closing or opening electrical contacts or solid-state circuitry when triggered by human or mechanical interaction. These switches are commonly used to detect and respond to specific positions within a mechanical system, typically at travel limit positions. When selecting a limit switch, consideration is given to the actuator type required for the particular application. Actuator options include an adjustable plunger or rod, toggle, arm lever, roller, cone, leaf, rotary actuator, spring, whisker, or cable. Each actuator type is designed to accommodate different mechanical setups and requirements. An adjustable plunger or rod actuator allows for fine-tuning the position at which the switch is triggered, providing flexibility in determining the limit point. A toggle actuator offers a simple on/off mechanism, while an arm lever actuator enables actuation through the movement of a lever arm. Switches with roller actuators utilize a rolling mechanism to detect and respond to specific positions, ensuring smooth operation. Other actuator types, such as cones, leaves, rotary actuators, springs, whiskers, or cables, offer further variations to suit specific application needs. The choice of actuator depends on factors such as the mechanical setup, space constraints, and desired sensitivity or force required to trigger the switch. Snap action limit switches are commonly employed in various industries and applications, including manufacturing, automation, and safety systems. They provide reliable and precise position detection, ensuring that electrical connections are made or broken at predetermined points in the mechanical system. This helps prevent damage, ensure proper functioning, and enhance safety. In summary, snap action limit switches are mechanical devices that facilitate the opening or closing of electrical contacts or solid-state circuitry when actuated by human or mechanical interaction. The selection of these switches depends on the desired actuator type, which can be adjusted to suit specific mechanical setups. Limit switches are crucial components that enable accurate position detection and play a key role in ensuring proper functioning and safety in various industries and applications.