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 Actuator Type Conduit Entry Length Width Depth Supply Voltage Maximum AC Voltage Auxiliary Contacts
RS Stock No. 763-7075
Mfr. Part No.3SE5312-0SG11
BrandSiemens
TWD11,416.00
Each
units
Sirius 3SE5 - - Power to Lock - Various Options M20 54mm 43.8mm 184.1mm 24 V dc - 1NO
RS Stock No. 763-6937
Mfr. Part No.3SE5322-0SB21
BrandSiemens
TWD6,850.00
Each
units
Sirius 3SE5 - - Power to Lock - Various Options M20 54mm 43.8mm 184.1mm 24 V dc - 1NO
RS Stock No. 739-0631
Mfr. Part No.XCSLE2525312
TWD4,457.00
Each
units
Preventa XCS-LE - - Power to Unlock No Key M20 205mm 51mm 43.5mm 24 V ac/dc - -
RS Stock No. 826-3981
Mfr. Part No.450201
BrandIDEM
TWD9,809.00
Each
units
RAMZLOCK KLTM-RFID - - Power to Unlock Yes Coded RFID M20 155mm 105mm 46.5mm 24 V dc - 1NO
RS Stock No. 880-1725
Mfr. Part No.AZM300Z-I2-ST-SD2P
BrandSchmersal
TWD18,678.00
Each
units
- AZM 300 - - Power to Unlock No Various Options M12 85mm 100mm 35mm 24 V dc - -
RS Stock No. 862-1674
Mfr. Part No.D4SL-N4QFA-DN
BrandOmron
TWD9,023.00
Each
units
- D4SL-N - - Power to Unlock No Various Options M20 39mm 155mm 39mm 24 V dc - 2NC/1NO
RS Stock No. 739-0603
Mfr. Part No.XCS LF3535343
TWD12,278.00
Each
units
Preventa XCS-LF - - Power to Unlock Yes Key 1/2 in 205mm 51mm 43.5mm 230 V ac/dc - -
RS Stock No. 880-1707
Mfr. Part No.AZM300Z-ST-1P2P-A
BrandSchmersal
TWD17,101.00
Each
units
- AZM 300 - - Power to Lock No Various Options 1/2 NPT 85mm 100mm 35mm 24 V dc - 1 PNP
RS Stock No. 824-4920
Mfr. Part No.570800
BrandPilz
TWD27,557.00
Each
units
PSENsgate PSEN sg2c - - - Yes Handle M12 465mm 200mm 108mm 24 V dc - -
RS Stock No. 198-740
Mfr. Part No.XCSE7321
TWD12,149.00
Each
units
Preventa XCS E - - Power to Unlock Yes Key PG13.5 146mm 98mm 44mm 48 V ac/dc - -
RS Stock No. 820-3796
Mfr. Part No.D4SLN4QDAD
BrandOmron
TWD10,312.00
Each
units
- D4SL-N - - Power to Unlock No Various Options M20 39mm 39mm 179.9mm 24 V dc - 2NC/1NO
RS Stock No. 739-0619
Mfr. Part No.XCSLF3737332
TWD7,090.00
Each
units
Preventa XCS-LF - - Power to Unlock Yes Key M20 205mm 51mm 43.5mm 120 V ac/dc - -
RS Stock No. 742-0726
Mfr. Part No.AZM 170SK-11/02ZRK-2197 24VAC/DC
BrandSchmersal
TWD9,455.00
Each
units
- AZM 170 - - Power to Unlock No Various Options 1/2 NPT 30mm 108mm 100.5mm 24 V ac/dc - 1NO
RS Stock No. 123-7511
Mfr. Part No.201021
BrandIDEM
TWD5,662.00
Each
units
SEZYLOCK KLP-P2L - - Power to Lock No Various Options M20 46mm 160mm 45.5mm 24 V dc - NC/NO
RS Stock No. 763-7090
Mfr. Part No.3SE5312-1SG11
BrandSiemens
TWD11,906.00
Each
units
Sirius 3SE5 - - Power to Lock - Various Options M20 54mm 43.8mm 184.1mm 24 V dc - 1NO
RS Stock No. 861-4657
Mfr. Part No.D4NL-2EFA-B
BrandOmron
TWD8,164.00
Each
units
- D4NL - - Power to Unlock - Various Options 1/2 NPT 39mm 179.5mm 39mm 24 V dc - NC/NO
RS Stock No. 757-9207
Mfr. Part No.D4NL-1CFG-B
BrandOmron
TWD7,949.00
Each
units
- D4NL - - Power to Lock No Various Options 1/2 NPT 95mm 88.5mm 35.5mm 24 V dc - 2NC
RS Stock No. 742-0707
Mfr. Part No.AZM 170-11ZRK 230 VAC
BrandSchmersal
TWD7,331.00
Each
units
- AZM 170 - - Power to Unlock No Various Options 1/2 NPT 30mm 90mm 84mm 230 V ac - 1NO
RS Stock No. 880-1716
Mfr. Part No.AZM300Z-I2-ST-1P2P
BrandSchmersal
TWD18,678.00
Each
units
- AZM 300 - - Power to Unlock No Various Options M12 85mm 100mm 35mm 24 V dc - 1 PNP
RS Stock No. 739-0571
Mfr. Part No.XCSLF2525312
TWD5,573.00
Each
units
Preventa XCS-LF - - Power to Unlock Yes Key M20 205mm 51mm 43.5mm 24 V ac/dc - -