Interlock Switches

Results:
3,392
Manufacturer
Series
Current Rating (Amps)
Circuit
Voltage Rating
Holding Force
Operating Temperature
Approval Agency
Conduit Thread Size
Must Operate
Features
Must Release
Voltage - Supply
Termination Style
Ingress Protection
Type
Actuator Type
Operating Position
Release Force
Operating Force
Voltage Rating - AC
Differential Travel
Mounting Type
Voltage Rating - DC
Switch Function
Overtravel
Pretravel
Results remaining3,392
Select
ImageProduct DetailPriceAvailabilityECAD ModelCircuitFeaturesIngress ProtectionOperating TemperatureTermination StyleMust OperateMust ReleaseCurrent Rating (Amps)Approval AgencyActuator TypeSeriesVoltage RatingTypeHolding ForceConduit Thread SizeVoltage - Supply
D4NS-2BF
SWITCH SAFETY DPST-NC 3A 240V
1+
$13.9437
5+
$13.1690
10+
$12.3944
Quantity
100 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
DPST-NC
-
IP67 - Dust Tight, Waterproof
-30°C ~ 70°C
Screw Terminal
-
-
3A (AC)
CCC, CE, cULus, TUV
Panel Disconnect
D4NS
240VAC
Non-Locking
6kgf
G1/2
-
D40A-1C5
SENSOR HALL DIGITAL WIRE LEADS
1+
$392.9577
5+
$371.1268
10+
$349.2958
Quantity
16 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
SPST-NO
-
IP67 - Dust Tight, Waterproof
-10°C ~ 55°C
Cable Leads
5mm
15mm
10mA (DC)
CE, cULus, TUV
Non-Contact
D40A
24VDC
Magnetic
-
-
24VDC
D4NL-4GFA-B
SWITCH SAFETY 3PST 3A 240V
1+
$667.2930
5+
$630.2211
10+
$593.1493
Quantity
2 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
3PST-NC + DPST-NO/NC
Status Indicator
IP67 - Dust Tight, Waterproof
-10°C ~ 55°C
Screw Terminal
-
-
3A (AC), 270mA (DC)
CCC, CE, cULus, TUV
Panel Disconnect
D4NL
240VAC, 250VDC
Solenoid Release
133kgf
M20
24VDC
SI-LM40MKHE
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Quantity
1 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
DPST-NC
-
IP65 - Dust Tight, Water Resistant
-30°C ~ 80°C
Screw Terminal
-
-
10A (AC), 6A (DC)
CE, CSA, UL
Panel Disconnect
SI-LM40KH
110VAC, 24VDC
Non-Locking
-
M20
-
XCSE731122
SAFETY SWITCH, TELEMECANIQUE SAF
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Quantity
1 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
3PST-2NC/1NO
-
IP67 - Dust Tight, Waterproof
-25°C ~ 40°C
Screw Terminal
-
-
3A (AC), 550mA (DC)
CSA, UL
Panel Disconnect
XCSE
120VAC, 125VDC
Solenoid Locking
204kgf
PG13.5
-
XCSLF3737312
SAFETY SWITCH, TELEMECANIQUE SAF
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Quantity
1 Available
Can ship immediately
Ships from: HK
PCB Symbol, Footprint & 3D Model
3PST-2NC/1NO
-
IP66/IP67 - Dust Tight, Water Resistant, Waterproof
-25°C ~ 60°C
Screw Terminal
-
-
750mA (AC), 550mA (DC)
CSA, TUV, UL
Panel Disconnect
XCSLF
240VAC, 24VDC
Solenoid Locking
306kgf
M20 x 1.5
-
44501-0510
SWITCH SAFETY 3PST 5A 100V
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Quantity
Contact us
PCB Symbol, Footprint & 3D Model
3PST-2NC/1NO (BBM)
Stainless Steel Head
IP67 - Dust Tight, Waterproof
-20°C ~ 80°C
Connector (Micro AC)
-
-
5A (AC), 2A (DC)
CE, cULus
Panel Disconnect
T5009
100VAC, 24VDC
Non-Locking
1kgf
-
-
D4JL-3RFG-C5
SWITCH SAFETY 3PST-NC 3A 240V
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Quantity
Contact us
PCB Symbol, Footprint & 3D Model
3PST-NC x 2
-
IP67 - Dust Tight, Waterproof
-10°C ~ 55°C
Screw Terminal
-
-
3A (AC), 270mA (DC)
CCC, CE, cULus, TUV
Panel Disconnect
D4JL
240VAC, 250VDC
Solenoid Locking
306kgf
1/2" NPT x2
24VDC
D4BL-2CRB
SWITCH SAFETY DPST 3A 250V
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Quantity
Contact us
PCB Symbol, Footprint & 3D Model
DPST-NO/NC (DB/DM) + SPST-NC (DB)
-
IP67 - Dust Tight, Waterproof
-10°C ~ 55°C
Screw Terminal
-
-
3A (AC)
CCC, CE, CSA, UL
Panel Disconnect
D4BL
250VAC
Solenoid Release
71kgf
G1/2
110VAC
D4BL-3DRG
SWITCH SAFETY DPST 3A 250V
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Quantity
Contact us
PCB Symbol, Footprint & 3D Model
DPST-NC (DB) + SPST-NC (DB)
-
IP67 - Dust Tight, Waterproof
-10°C ~ 55°C
Screw Terminal
-
-
3A (AC)
CCC, CE, CSA, UL
Panel Disconnect
D4BL
250VAC
Solenoid Locking
71kgf
1/2" NPT
24VDC
D4BS-5AFS
SWITCH SAFETY DPST-NC 10A 120V
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Quantity
Contact us
PCB Symbol, Footprint & 3D Model
DPST-NC
-
IP67 - Dust Tight, Waterproof
-40°C ~ 80°C
Screw Terminal
-
-
10A (AC)
CE, CSA, UL
Panel Disconnect
D4BS
120VAC
Non-Locking
2kgf
PG13.5 x3
-
D40P-MHC-21-05R
SWITCH SAFETY HI SEC 5M
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Quantity
Contact us
PCB Symbol, Footprint & 3D Model
3PST-2NC/1NO
-
IP69K - Dust Tight, High Temp Water Jets, Waterproof
-25°C ~ 105°C
Cable Leads
8mm
20mm
200mA (DC)
CE, cULus
Non-Contact
D40P
24VDC
Magnetic
-
-
24VDC
D4BL-3DRA
SWITCH SAFETY DPST 3A 250V
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Quantity
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PCB Symbol, Footprint & 3D Model
DPST-NC (DB) + SPST-NC (DB)
-
IP67 - Dust Tight, Waterproof
-10°C ~ 55°C
Screw Terminal
-
-
3A (AC)
CCC, CE, CSA, UL
Panel Disconnect
D4BL
250VAC
Solenoid Release
71kgf
1/2" NPT
24VDC
D4BS-75FS
SWITCH SAFETY DPST 10A 120V
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Quantity
Contact us
PCB Symbol, Footprint & 3D Model
DPST-NO/NC
-
IP67 - Dust Tight, Waterproof
-40°C ~ 80°C
Screw Terminal
-
-
10A (AC)
CE, CSA, UL
Panel Disconnect
D4BS
120VAC
Non-Locking
2kgf
1/2" NPT x3
-
44501-0260
SWITCH SAFETY 3PST 5A 100V
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Quantity
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PCB Symbol, Footprint & 3D Model
3PST-2NC/1NO (MBB)
-
IP67 - Dust Tight, Waterproof
-20°C ~ 80°C
Connector (Micro AC)
-
-
5A (AC), 2A (DC)
CE, cULus
Panel Disconnect
T5009
100VAC, 24VDC
Non-Locking
1kgf
-
-
44501-0530
SWITCH SAFETY 3PST 5A 100V
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Quantity
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PCB Symbol, Footprint & 3D Model
3PST-2NC/1NO (BBM)
Flex Actuator, Stainless Steel Head
IP67 - Dust Tight, Waterproof
-20°C ~ 80°C
Screw Terminal
-
-
5A (AC), 2A (DC)
CE, cULus
Panel Disconnect
T5009
100VAC, 24VDC
Non-Locking
1kgf
M20 x3
-
D4JL-3NFA-C7-01
SWITCH SAFETY 3PST 3A 240V
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Quantity
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PCB Symbol, Footprint & 3D Model
3PST-2NC/1NO x 2
Trapped Key
IP67 - Dust Tight, Waterproof
-10°C ~ 55°C
Screw Terminal
-
-
3A (AC), 270mA (DC)
CCC, CE, cULus, TUV
Panel Disconnect
D4JL
240VAC, 250VDC
Solenoid Release
306kgf
1/2" NPT x2
24VDC
D4BL-3CRG
SWITCH SAFETY DPST 3A 250V
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Quantity
Contact us
PCB Symbol, Footprint & 3D Model
DPST-NO/NC (DB/DM) + SPST-NC (DB)
-
IP67 - Dust Tight, Waterproof
-10°C ~ 55°C
Screw Terminal
-
-
3A (AC)
CCC, CE, CSA, UL
Panel Disconnect
D4BL
250VAC
Solenoid Locking
71kgf
1/2" NPT
24VDC
D4BL-3CRG-A
SWITCH SAFETY DPST 6A 115V
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Quantity
Contact us
PCB Symbol, Footprint & 3D Model
DPST-NO/NC (DB/DM) + SPST-NC (DB)
Status Indicator
IP67 - Dust Tight, Waterproof
-10°C ~ 55°C
Screw Terminal
-
-
6A (AC)
CCC, CE, CSA, UL
Panel Disconnect
D4BL
115VAC
Solenoid Locking
71kgf
1/2" NPT
24VDC
44507-0100
SENSOR REED SWITCH NC CBL LEADS
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Quantity
Contact us
PCB Symbol, Footprint & 3D Model
SPST-NC
-
IP67 - Dust Tight, Waterproof
-10°C ~ 55°C
Cable Leads
7 ~ 12mm
12 ~ 25mm
1A (DC)
CE, cULus
Non-Contact
MA-STI
30VDC
Magnetic
-
-
-

About  Interlock Switches

Interlock switches, also known as safety interlock switches, serve as indispensable components in ensuring the safe operation of machinery and equipment by preventing them from operating in hazardous or unsafe conditions. The primary purpose of interlock switches is to establish a reliable means of controlling access to machinery and equipment, ensuring that certain conditions are met before the machine can be activated. These switches are designed to create an interlocking mechanism that effectively safeguards operators and surrounding personnel from potential harm. Interlock switches are strategically placed at critical access points or areas where hazardous conditions may arise. These access points can include doors, gates, panels, or any other openings that provide entry to the machinery. By incorporating interlock switches at these points, the machine's operation is contingent upon the proper positioning and engagement of these switches. To activate the interlock switch, a specific action must be performed, such as closing a door or securing a gate. This action ensures that the machine is in a safe state, with all necessary guards or protective measures in place, before it can be enabled. In the event that the interlock switch is not properly engaged or the access point is compromised, the switch sends a signal to the control system, preventing the machine from starting or stopping its operation. This mechanism effectively prevents any potentially dangerous scenarios, such as accidental activation or exposure to moving parts, from occurring. Interlock switches are designed with robust construction and reliability to withstand the demanding industrial environments in which they are used. They are engineered to provide fail-safe operation, ensuring that the machine remains in a safe state until all hazardous conditions are rectified. Moreover, interlock switches often incorporate features that allow for lock-out, tag-out procedures, further enhancing safety protocols. These procedures involve isolating the energy source and placing a lock or tag on the switch to prevent unauthorized or accidental activation during maintenance or repair work. In summary, interlock switches play a critical role in maintaining the safety of machinery and equipment by preventing operation in unsafe conditions. By incorporating these switches at access points, the machine's activation is contingent upon proper engagement, ensuring that all necessary safeguards are in place. The fail-safe operation and lock-out, tag-out features of interlock switches contribute to creating a secure working environment and minimizing the risk of accidents or injuries.