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 Range Series Pole Configuration Normal State Configuration Rated stroke Power to Lock / Unlock Actuator Included Actuator Type Conduit Entry Length Width Depth Supply Voltage Maximum AC Voltage
RS Stock No. 617-5093
Mfr. Part No.AZM190-02/01RK-24VDC
BrandSchmersal
MYR1,305.81
Each
units
- AZM 190 - - - Power to Unlock No Various Options M20 41mm 29.5mm 178mm 24 V dc -
RS Stock No. 739-0606
Mfr. Part No.XCSLF3737312
MYR1,222.63
Each
units
Preventa XCS-LF - - - Power to Unlock Yes Key M20 205mm 51mm 43.5mm 24 V ac/dc -
RS Stock No. 820-3787
Mfr. Part No.D4SLN4PDGD
BrandOmron
MYR937.68
Each
units
- D4SL-N - - - Power to Lock No Various Options M20 39mm 39mm 179.9mm 24 V dc -
RS Stock No. 862-1683
Mfr. Part No.D4SL-N4RFA-DN
BrandOmron
MYR887.97
Each
units
- D4SL-N - - - Power to Unlock No Various Options M20 39mm 155mm 39mm 24 V dc -
RS Stock No. 822-3860
Mfr. Part No.D4SL-N3NFG-DN
BrandOmron
MYR874.31
Each
units
- D4SL-N - - - Power to Lock - Various Options 1/2-14 NPT 39mm 155mm 39mm 24 V dc -
RS Stock No. 744-8654
Mfr. Part No.570001
BrandPilz
MYR1,470.80
Each
units
PSENmech PSENme - - - Power to Unlock Yes Radius M20 184mm 42.5mm 51mm 24 V ac/dc -
RS Stock No. 739-0640
Mfr. Part No.XCS LE2727313
MYR793.77
Each
units
Preventa XCS-LE - - - Power to Unlock Yes Key 1/2 in 205mm 51mm 43.5mm 24 V ac/dc -
RS Stock No. 739-0638
Mfr. Part No.XCSLE2525342
MYR775.93
Each
units
Preventa XCS-LE - - - Power to Unlock Yes Key M20 205mm 51mm 43.5mm 230 V ac/dc -
RS Stock No. 741-8681
Mfr. Part No.AZM 170-02ZRK 230 VAC
BrandSchmersal
MYR1,009.87
Each
units
- AZM 170 - - - Power to Unlock No Various Options M20 30mm 90mm 84mm 230 V ac -
RS Stock No. 824-4920
Mfr. Part No.570800
BrandPilz
MYR3,690.15
Each
units
PSENsgate PSEN sg2c - - - - Yes Handle M12 465mm 200mm 108mm 24 V dc -
RS Stock No. 739-0603
Mfr. Part No.XCS LF3535343
MYR1,755.09
Each
units
Preventa XCS-LF - - - Power to Unlock Yes Key 1/2 in 205mm 51mm 43.5mm 230 V ac/dc -
RS Stock No. 862-1670
Mfr. Part No.D4SL-N4PFA-DN
BrandOmron
MYR887.97
Each
units
- D4SL-N - - - Power to Unlock No Various Options M20 39mm 155mm 39mm 24 V dc -
RS Stock No. 301-9978
Mfr. Part No.XCSTE5332
MYR1,358.21
Each
units
Preventa XCS-TE - - - Power to Unlock - - M16 93.5mm 33mm 110mm 120 V ac -
RS Stock No. 763-6934
Mfr. Part No.3SE5322-0SB23
BrandSiemens
MYR1,008.05
Each
units
Sirius 3SE5 - - - Power to Lock - Various Options M20 54mm 43.8mm 184.1mm 230 V ac -
RS Stock No. 498-959
Mfr. Part No.3SE5322-0SD21
BrandSiemens
MYR936.57
Each
units
Sirius 3SE5 - - - Power to Unlock - Various Options M20 54mm 43.8mm 159mm 24 V dc -
RS Stock No. 862-1674
Mfr. Part No.D4SL-N4QFA-DN
BrandOmron
MYR887.97
Each
units
- D4SL-N - - - Power to Unlock No Various Options M20 39mm 155mm 39mm 24 V dc -
RS Stock No. 820-3783
Mfr. Part No.D4SLN4PDAD
BrandOmron
MYR937.68
Each
units
- D4SL-N - - - Power to Unlock No Various Options M20 39mm 39mm 179.9mm 24 V dc -
RS Stock No. 498-983
Mfr. Part No.3SE5322-1SD21
BrandSiemens
MYR1,021.34
Each
units
Sirius 3SE5 - - - Power to Unlock - Various Options M20 54mm 43.8mm 159mm 24 V dc -
RS Stock No. 198-655
Mfr. Part No.XCSTE7341
MYR1,279.25
Each
units
Preventa XCS TE - - - Power to Unlock - - 1/2 in, PG11 94mm 110mm 33mm 230 V ac/dc -
RS Stock No. 498-993
Mfr. Part No.3SE5312-0SD11
BrandSiemens
MYR2,107.75
Each
units
Sirius 3SE5 - - - Power to Unlock - Various Options M20 54mm 43.8mm 159mm 24 V dc -