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. 880-1842
Mfr. Part No.EX-AZM 161SK-12/12RK-024-3D
BrandSchmersal
kr 2 891,15
Each
Units
- EX-AZM 161 - - Power to Unlock No - 24 V ac/dc Various Options - 2NC/2NO M16 130mm Plastic
RS Stock No. 263-3725
Mfr. Part No.XCSE5312
kr 3 788,60
Each
Units
Preventa XCS-E - - Power to Unlock Yes - 24 V ac/dc Key - 2NO/1NC M20 98mm Metal
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. 151-2446
Mfr. Part No.442G-MABL-ULM-C04
kr 10 390,13
Each
Units
- 442G - - Power to Lock Yes - 5 → 24 V dc Unique RFID Coded Bolt - - M23 285.3mm Glass Fibre Reinforced Plastic
RS Stock No. 862-1692
Mfr. Part No.D4SL-N4RFA-D
BrandOmron
kr 1 585,00
Each
Units
- D4SL-N - - Power to Unlock No - 24 V dc Various Options - 3NC M20 39mm Metal
RS Stock No. 880-1781
Mfr. Part No.AZM 200ST2-T-SD2P
BrandSchmersal
kr 3 186,12
Each
Units
- AZM 200 - - Power to Lock No - 24 V dc Various Options - 2 PNP M12 40mm Plastic
RS Stock No. 862-1670
Mfr. Part No.D4SL-N4PFA-DN
BrandOmron
kr 1 849,66
Each
Units
- D4SL-N - - Power to Unlock No - 24 V dc Various Options - 2NC/1NO M20 39mm Metal
RS Stock No. 880-1892
Mfr. Part No.MZM 100 ST2-1P2PWRE-A
BrandSchmersal
kr 6 889,11
Each
Units
- MZM 100 - - Power to Lock No - 24 V dc Straight - 2 PNP M12 40mm Plastic
RS Stock No. 151-2435
Mfr. Part No.442G-MABR-ULM-C01
kr 9 281,87
Each
Units
- 442G - - Power to Unlock Yes - 5 → 24 V dc Unique RFID Coded Bolt - - M23 285.3mm Glass Fibre Reinforced Plastic
RS Stock No. 263-3769
Mfr. Part No.XCSE7332
kr 4 057,79
Each
Units
Preventa XCS-E - - Power to Unlock Yes - 110/120 V ac Key - 1NO/2NC PG13.5 98mm Metal
RS Stock No. 151-2464
Mfr. Part No.442G-MABRB-UR-E0JP4679
kr 20 528,40
Each
Units
- 442G - - Power to Unlock Yes - 5 → 24 V dc Unique RFID Coded Bolt - - M12 x 2 285.3mm Glass Fibre Reinforced Plastic
RS Stock No. 151-2444
Mfr. Part No.442G-MABR-ULM-C04
kr 10 390,13
Each
Units
- 442G - - Power to Unlock Yes - 5 → 24 V dc Unique RFID Coded Bolt - - M23 285.3mm Glass Fibre Reinforced Plastic
RS Stock No. 820-3796
Mfr. Part No.D4SLN4QDAD
BrandOmron
kr 1 680,00
Each
Units
- D4SL-N - - Power to Unlock No - 24 V dc Various Options - 3NC M20 39mm Metal
RS Stock No. 739-0577
Mfr. Part No.XCSLF2725342
kr 1 914,24
Each
Units
Preventa XCS-LF - - Power to Unlock Yes - 230 V ac/dc Key - 1NO/1NC M20 205mm Metal
RS Stock No. 151-2551
Mfr. Part No.440G-LZS21UTRA
kr 2 821,08
Each
Units
- 440G-LZ - - Power to Unlock Yes - 24 V dc Unique RFID Coded Bolt - - - 45mm ABS
New
RS Stock No. 214-6737
Mfr. Part No.D4SL-N4GFA-D
BrandOmron
kr 1 724,98
Each
Units
- D4SL - 3NC + 1NC/1NO Power to Unlock - - 24 V dc - - - - - -
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. 498-971
Mfr. Part No.3SE5312-1SJ11
BrandSiemens
kr 5 381,34
Each
Units
Sirius 3SE5 - - Power to Unlock - - 24 V dc Various Options - 2NC M20 54mm Metal
RS Stock No. 739-0603
Mfr. Part No.XCS LF3535343
kr 3 549,32
Each
Units
Preventa XCS-LF - - Power to Unlock Yes - 230 V ac/dc Key - 2NO/1NC 1/2 in 205mm Metal
RS Stock No. 741-8685
Mfr. Part No.AZM 170-02ZRKA 24 VAC/DC
BrandSchmersal
kr 1 680,61
Each
Units
- AZM 170 - - Power to Lock No - 24 V ac/dc Various Options - 2NC 1/2 NPT 30mm Plastic