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 Interface Safety Contacts Conduit Entry Length Housing Material
RS Stock No. 252-3791
Mfr. Part No.XCSE5311
kr 3 649,02
Each
Units
Preventa XCS-E - - Power to Unlock Yes - 24 V ac/dc Key - 2NO/1NC PG13.5 98mm Metal
RS Stock No. 746-7286
Mfr. Part No.D4NL-4CFA-B
BrandOmron
kr 2 001,00
Each
Units
- D4NL - - Power to Unlock - - 24 V dc Various Options - 2NC M20 88.5mm Plastic
RS Stock No. 880-1719
Mfr. Part No.AZM300Z-I2-ST-1P2PA
BrandSchmersal
kr 3 601,21
Each
Units
- AZM 300 - - Power to Lock No - 24 V dc Various Options - 2 PNP 1/2 NPT 85mm Plastic
RS Stock No. 757-9200
Mfr. Part No.D4NL-4CFG-B
BrandOmron
kr 2 001,00
Each
Units
- D4NL - - Power to Lock No - 24 V dc Various Options - 1NC/1NO M20 95mm Plastic
RS Stock No. 151-2418
Mfr. Part No.442G-MABL-UT-C01
kr 8 123,21
Each
Units
- 442G - - Power to Lock Yes - 5 → 24 V dc Unique RFID Coded Bolt - - M20 285.3mm Glass Fibre Reinforced Plastic
RS Stock No. 880-1851
Mfr. Part No.EX-AZM 161SK-12/12RKA-024-3D
BrandSchmersal
kr 2 891,15
Each
Units
- EX-AZM 161 - - Power to Lock No - 24 V ac/dc Various Options - 2NC/2NO M16 130mm Plastic
RS Stock No. 763-6996
Mfr. Part No.3SE5322-1SG21
BrandSiemens
kr 4 196,36
Each
Units
Sirius 3SE5 - - Power to Lock - - 24 V dc Various Options - 2NC M20 54mm Plastic
RS Stock No. 880-1716
Mfr. Part No.AZM300Z-I2-ST-1P2P
BrandSchmersal
kr 5 090,83
Each
Units
- AZM 300 - - Power to Unlock No - 24 V dc Various Options - 2 PNP M12 85mm Plastic
RS Stock No. 151-2546
Mfr. Part No.440G-LZS21STRH
kr 2 531,42
Each
Units
- 440G-LZ - - Power to Unlock Yes - 24 V dc Standard - 2 PNP (0.2A max) M12 45mm ABS
RS Stock No. 880-1788
Mfr. Part No.AZM 200ST2-T-1P2PW
BrandSchmersal
kr 4 796,23
Each
Units
- AZM 200 - - Power to Unlock No - 24 V dc Various Options - 2 PNP M12 40mm Plastic