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 Power to Lock / Unlock Actuator Included Rated stroke Supply Voltage Actuator Type Safety Contacts Conduit Entry Length Housing Material Width
RS Stock No. 742-0717
Mfr. Part No.AZM 170SK-11/11ZRK-2197 24 VAC/DC
BrandSchmersal
HK$2,323.73
Each
units
- AZM 170 - - Power to Unlock No - 24 V ac/dc Various Options 2NC 1/2 NPT 30mm Plastic 108mm
RS Stock No. 198-728
Mfr. Part No.XCSTE5511
HK$2,007.02
Each
units
Preventa XCS TE - - Power to Lock - - 24 V ac/dc - 1NO/1NC PG11 94mm Plastic 110mm
RS Stock No. 739-0647
Mfr. Part No.XCSLE2727312
HK$1,210.84
Each
units
Preventa XCS-LE - - Power to Unlock Yes - 24 V ac/dc Key 2NC M20 205mm Plastic 51mm
RS Stock No. 739-0561
Mfr. Part No.XCSLF2727313
HK$1,962.59
Each
units
Preventa XCS-LF - - Power to Unlock Yes - 24 V ac/dc Key 2NC 1/2 in 205mm Metal 51mm
RS Stock No. 880-1842
Mfr. Part No.EX-AZM 161SK-12/12RK-024-3D
BrandSchmersal
HK$3,648.72
Each
units
- EX-AZM 161 - - Power to Unlock No - 24 V ac/dc Various Options 2NC/2NO M16 130mm Plastic 114mm
RS Stock No. 880-1851
Mfr. Part No.EX-AZM 161SK-12/12RKA-024-3D
BrandSchmersal
HK$3,648.72
Each
units
- EX-AZM 161 - - Power to Lock No - 24 V ac/dc Various Options 2NC/2NO M16 130mm Plastic 114mm
RS Stock No. 880-1716
Mfr. Part No.AZM300Z-I2-ST-1P2P
BrandSchmersal
HK$5,265.92
Each
units
- AZM 300 - - Power to Unlock No - 24 V dc Various Options 2 PNP M12 85mm Plastic 100mm
RS Stock No. 739-0631
Mfr. Part No.XCSLE2525312
HK$1,253.64
Each
units
Preventa XCS-LE - - Power to Unlock No - 24 V ac/dc Key 1NO/1NC M20 205mm Plastic 51mm
RS Stock No. 739-0600
Mfr. Part No.XCS LF3737313
HK$2,432.79
Each
units
Preventa XCS-LF - - Power to Unlock Yes - 24 V ac/dc Key 2NC/1NO 1/2 in 205mm Metal 51mm
RS Stock No. 617-5093
Mfr. Part No.AZM190-02/01RK-24VDC
BrandSchmersal
HK$2,695.05
Each
units
- AZM 190 - - Power to Unlock No - 24 V dc Various Options 3NC M20 41mm Plastic 29.5mm
RS Stock No. 362-2596
Mfr. Part No.AZM190-02/10RK-24VDC
BrandSchmersal
HK$2,494.31
Each
units
- AZM 190 - - Power to Unlock No - 24 V dc Various Options 3NC M20 41mm Plastic 29.5mm
RS Stock No. 749-7690
Mfr. Part No.3SE5312-0SD13
BrandSiemens
HK$2,339.82
Each
units
Sirius 3SE5 - - Power to Unlock No - 230 V ac Various Options 2NC M20 184.1mm Metal 54mm
RS Stock No. 763-7090
Mfr. Part No.3SE5312-1SG11
BrandSiemens
HK$4,845.07
Each
units
Sirius 3SE5 - - Power to Lock - - 24 V dc Various Options 2NC M20 54mm Metal 43.8mm
RS Stock No. 814-7084
Mfr. Part No.XCSE8313
HK$7,631.90
Each
units
Preventa XCS-E - - Power to Unlock Yes - 24 V ac/dc Key 3NC 1/2 NPT 146mm Metal 98mm
RS Stock No. 826-3981
Mfr. Part No.450201
BrandIDEM
HK$2,759.26
Each
units
RAMZLOCK KLTM-RFID - - Power to Unlock Yes - 24 V dc Coded RFID 2NC M20 155mm Metal 105mm
RS Stock No. 763-6996
Mfr. Part No.3SE5322-1SG21
BrandSiemens
HK$4,039.35
Each
units
Sirius 3SE5 - - Power to Lock - - 24 V dc Various Options 2NC M20 54mm Plastic 43.8mm
RS Stock No. 742-0707
Mfr. Part No.AZM 170-11ZRK 230 VAC
BrandSchmersal
HK$2,068.72
Each
units
- AZM 170 - - Power to Unlock No - 230 V ac Various Options 1NC 1/2 NPT 30mm Plastic 90mm
RS Stock No. 739-0577
Mfr. Part No.XCSLF2725342
HK$4,065.09
Each
units
Preventa XCS-LF - - Power to Unlock Yes - 230 V ac/dc Key 1NO/1NC M20 205mm Metal 51mm
RS Stock No. 741-8681
Mfr. Part No.AZM 170-02ZRK 230 VAC
BrandSchmersal
HK$2,037.94
Each
units
- AZM 170 - - Power to Unlock No - 230 V ac Various Options 2NC M20 30mm Plastic 90mm
RS Stock No. 826-3997
Mfr. Part No.202001-SS
BrandIDEM
HK$1,748.40
Each
units
SAMLOCK KLM - - Power to Unlock No - 24 V ac/dc Various Options 2NC M20 176mm Metal 46mm