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. 263-3775
Mfr. Part No.XCSE5512
TWD11,662.00
Each
units
Preventa XCS-E - - Power to Lock Yes Key PG13.5 98mm 44mm 146mm 24 V ac/dc - -
RS Stock No. 136-3174
Mfr. Part No.6018119045
TWD6,910.00
Each
units
- SLK DP - Power to Unlock No Various Options M20 42.5mm 51mm 184mm 24 V ac/dc 24V NC/NO
RS Stock No. 763-7139
Mfr. Part No.3SE5312-0SB13
BrandSiemens
TWD9,473.00
Each
units
Sirius 3SE5 - - Power to Lock - Various Options M20 54mm 43.8mm 184.1mm 230 V ac - 1NO
RS Stock No. 739-0571
Mfr. Part No.XCSLF2525312
TWD5,756.00
Each
units
Preventa XCS-LF - - Power to Unlock Yes Key M20 205mm 51mm 43.5mm 24 V ac/dc - -
RS Stock No. 822-3860
Mfr. Part No.D4SL-N3NFG-DN
BrandOmron
TWD5,940.00
Each
units
- D4SL-N - - Power to Lock - Various Options 1/2-14 NPT 39mm 155mm 39mm 24 V dc - 2NC/1NO
RS Stock No. 617-5071
Mfr. Part No.AZM 161SK-12/12RK-110/230
BrandSchmersal
TWD8,422.00
Each
units
- AZM 161 - - Power to Unlock No Various Options M16 90mm 30mm 130mm 110 V ac, 230 V ac - 2NO
RS Stock No. 146-5796
Mfr. Part No.AZM161SK-12/12RIA-024-B1
BrandSchmersal
TWD10,214.00
Each
units
- AZM 161 3P - Power to Lock Yes Coded M20 130mm 90mm 30mm 24 V ac/dc 24V 2NO
RS Stock No. 123-7511
Mfr. Part No.201021
BrandIDEM
TWD5,890.00
Each
units
SEZYLOCK KLP-P2L - - Power to Lock No Various Options M20 46mm 160mm 45.5mm 24 V dc - NC/NO
RS Stock No. 826-4000
Mfr. Part No.205001
BrandIDEM
TWD9,981.00
Each
units
HYGIELOCK KL3-SS - - Power to Unlock No Various Options M20 177mm 48mm 47mm 24 V ac/dc - 1NO
RS Stock No. 880-1729
Mfr. Part No.AZM300Z-I2-ST-SD2P-A
BrandSchmersal
TWD19,089.00
Each
units
- AZM 300 - - Power to Lock No Various Options 1/2 NPT 85mm 100mm 35mm 24 V dc - -
RS Stock No. 252-3791
Mfr. Part No.XCSE5311
TWD13,760.00
Each
units
Preventa XCS-E - - Power to Unlock Yes Key PG13.5 98mm 44mm 146mm 24 V ac/dc - -
RS Stock No. 498-971
Mfr. Part No.3SE5312-1SJ11
BrandSiemens
TWD10,453.00
Each
units
Sirius 3SE5 - - Power to Unlock - Various Options M20 54mm 43.8mm 159mm 24 V dc - 1NO
RS Stock No. 739-0561
Mfr. Part No.XCSLF2727313
TWD7,285.00
Each
units
Preventa XCS-LF - - Power to Unlock Yes Key 1/2 in 205mm 51mm 43.5mm 24 V ac/dc - -
RS Stock No. 498-959
Mfr. Part No.3SE5322-0SD21
BrandSiemens
TWD7,015.00
Each
units
Sirius 3SE5 - - Power to Unlock - Various Options M20 54mm 43.8mm 159mm 24 V dc - 1NO