Solenoid Interlock Switches

Solenoid interlock switches allow guards or gates to be securely locked while dangerous processes are in operation. They require an internal solenoid to be energised before the guard can be opened and remain locked until all equipment has ceased moving.

What are solenoid interlock switches used for?

Solenoid interlock switches are widely used in machinery where an interruption could cause damage. This kind of switch mechanism is crucial when operating machinery where the hazard continues even after power supply to a device is stopped, for example when using circular saw blades. Solenoid interlock switches are also used where there is regular entry to dangerous areas, such as high temperature or pressurised sites.

How do solenoid interlock switches work?

Solenoid interlock switches are operated by magnetic force and respond when a guard opens. A machine can't start until the switch's guard is closed and locked, and it will hold the guard closed until dangerous processes are complete. Interlock switches use positive opening safety contacts for high reliability and can only be operated with one of the keys provided.


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Description Price Power to Lock / Unlock Series Pole Configuration Supply Voltage Actuator Included Rated stroke Range Actuator Type Safety Contacts Conduit Entry Normal State Configuration Auxiliary Contacts Length Housing Material
RS Stock No. 739-0640
Mfr. Part No.XCS LE2727313
MYR861.68
Each
units
Power to Unlock XCS-LE - 24 V ac/dc Yes - Preventa Key 2NC 1/2 in - - 205mm Plastic
RS Stock No. 826-3993
Mfr. Part No.201001
BrandIDEM
MYR821.55
Each
units
Power to Unlock KLP - 24 V ac/dc No - SEZYLOCK Various Options 2NC M20 - 2NO 160mm Plastic
RS Stock No. 820-3787
Mfr. Part No.D4SLN4PDGD
BrandOmron
MYR1,090.07
Each
units
Power to Lock D4SL-N - 24 V dc No - - Various Options 2NC/1NO M20 - 3NC 39mm Metal
RS Stock No. 744-8654
Mfr. Part No.570001
BrandPilz
MYR1,470.80
Each
units
Power to Unlock PSENme - 24 V ac/dc Yes - PSENmech Radius 2NO M20 - - 184mm Plastic
RS Stock No. 739-0628
Mfr. Part No.XCSLF3838312
MYR1,249.49
Each
units
Power to Unlock XCS-LF - 24 V ac/dc Yes - Preventa Key 3NC M20 - - 205mm Metal
RS Stock No. 826-3953
Mfr. Part No.221301
BrandIDEM
MYR801.36
Each
units
Power to Unlock KL1-P - 24 V ac/dc No - LEILOCK Various Options 2NC M20 - 1NO 143mm Plastic
RS Stock No. 741-8681
Mfr. Part No.AZM 170-02ZRK 230 VAC
BrandSchmersal
MYR1,200.08
Each
units
Power to Unlock AZM 170 - 230 V ac No - - Various Options 2NC M20 - - 30mm Plastic
RS Stock No. 739-0638
Mfr. Part No.XCSLE2525342
MYR804.71
Each
units
Power to Unlock XCS-LE - 230 V ac/dc Yes - Preventa Key 1NO/1NC M20 - - 205mm Plastic
RS Stock No. 739-0606
Mfr. Part No.XCSLF3737312
MYR1,231.78
Each
units
Power to Unlock XCS-LF - 24 V ac/dc Yes - Preventa Key 2NC/1NO M20 - - 205mm Metal
RS Stock No. 820-3799
Mfr. Part No.D4SLN4QDGD
BrandOmron
MYR1,090.07
Each
units
Power to Lock D4SL-N - 24 V dc No - - Various Options 3NC M20 - 2NC/1NO 39mm Metal
RS Stock No. 824-4920
Mfr. Part No.570800
BrandPilz
MYR3,755.22
Each
units
- PSEN sg2c - 24 V dc Yes - PSENsgate Handle 2NC M12 - - 465mm Stainless Steel
RS Stock No. 814-7087
Mfr. Part No.XCSL761B3
MYR1,961.20
Each
units
Power to Unlock XCS-L - 24 V dc Yes - - Key 1NO/2NC 1/2 NPT - - 7.64in Metal
RS Stock No. 763-6937
Mfr. Part No.3SE5322-0SB21
BrandSiemens
MYR1,738.54
Each
units
Power to Lock 3SE5 - 24 V dc - - Sirius Various Options 2NC M20 - 1NO 54mm Plastic
RS Stock No. 820-3803
Mfr. Part No.D4SLN4RDGD
BrandOmron
MYR1,090.07
Each
units
Power to Lock D4SL-N - 24 V dc No - - Various Options 3NC M20 - 3NC 39mm Metal
RS Stock No. 862-1699
Mfr. Part No.D4SL-N4QFA-D
BrandOmron
MYR925.84
Each
units
Power to Unlock D4SL-N - 24 V dc No - - Various Options 3NC M20 - 2NC/1NO 39mm Metal
RS Stock No. 739-0577
Mfr. Part No.XCSLF2725342
MYR1,372.96
Each
units
Power to Unlock XCS-LF - 230 V ac/dc Yes - Preventa Key 1NO/1NC M20 - - 205mm Metal
RS Stock No. 820-3793
Mfr. Part No.D4SLN4RDAD
BrandOmron
MYR1,019.22
Each
units
Power to Unlock D4SL-N - 24 V dc No - - Various Options 3NC M20 - 3NC 39mm Metal
RS Stock No. 739-0656
Mfr. Part No.XCSLE3535312
MYR1,075.31
Each
units
Power to Unlock XCS-LE - 24 V ac/dc Yes - Preventa Key 1NC/2NO 1/2 NPT - - 205mm Plastic
RS Stock No. 739-0662
Mfr. Part No.XCSLE3737342
MYR1,087.26
Each
units
Power to Unlock XCS-LE - 230 V ac/dc Yes - Preventa Key 2NC/1NO M20 - - 205mm Plastic
RS Stock No. 763-6946
Mfr. Part No.3SE5322-0SD23
BrandSiemens
MYR1,576.19
Each
units
Power to Lock 3SE5 - 230 V ac - - Sirius Various Options 2NC M20 - 1NO 54mm Plastic