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. 880-1719
Mfr. Part No.AZM300Z-I2-ST-1P2PA
BrandSchmersal
TWD19,546.00
Each
units
- AZM 300 - - Power to Lock No Various Options 1/2 NPT 85mm 100mm 35mm 24 V dc - 1 PNP
RS Stock No. 880-1851
Mfr. Part No.EX-AZM 161SK-12/12RKA-024-3D
BrandSchmersal
TWD13,544.00
Each
units
- EX-AZM 161 - - Power to Lock No Various Options M16 130mm 114mm 30mm 24 V ac/dc - NC/NO
RS Stock No. 814-7062
Mfr. Part No.XCSE5313
TWD15,424.00
Each
units
Preventa XCS-E - - Power to Unlock Yes Key M20 146mm 98mm 44mm 24 V ac/dc - -
RS Stock No. 739-0662
Mfr. Part No.XCSLE3737342
TWD7,330.00
Each
units
Preventa XCS-LE - - Power to Unlock Yes Key M20 205mm 51mm 43.5mm 230 V ac/dc - -
RS Stock No. 739-0640
Mfr. Part No.XCS LE2727313
TWD5,351.00
Each
units
Preventa XCS-LE - - Power to Unlock Yes Key 1/2 in 205mm 51mm 43.5mm 24 V ac/dc - -
RS Stock No. 814-7087
Mfr. Part No.XCSL761B3
TWD13,760.00
Each
units
- XCS-L - - Power to Unlock Yes Key 1/2 NPT 7.64in 2.99in 1.73in 24 V dc - -
RS Stock No. 739-0580
Mfr. Part No.XCSLF2525342
TWD6,206.00
Each
units
Preventa XCS-LF - - Power to Unlock Yes Key M20 205mm 51mm 43.5mm 230 V ac/dc - -
RS Stock No. 820-3787
Mfr. Part No.D4SLN4PDGD
BrandOmron
TWD10,539.00
Each
units
- D4SL-N - - Power to Lock No Various Options M20 39mm 39mm 179.9mm 24 V dc - 3NC
RS Stock No. 198-655
Mfr. Part No.XCSTE7341
TWD9,173.00
Each
units
Preventa XCS TE - - Power to Unlock - - PG11, 1/2 in 94mm 110mm 33mm 230 V ac/dc - NC
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. 763-7090
Mfr. Part No.3SE5312-1SG11
BrandSiemens
TWD12,456.00
Each
units
Sirius 3SE5 - - Power to Lock - Various Options M20 54mm 43.8mm 184.1mm 24 V dc - 1NO
RS Stock No. 136-3178
Mfr. Part No.6018169055
TWD7,210.00
Each
units
- SLK 4P - Power to Unlock No Various Options M20 42.5mm 51mm 184mm 110 V ac, 230 V ac 110 V, 230 V 2NC
RS Stock No. 198-728
Mfr. Part No.XCSTE5511
TWD9,803.00
Each
units
Preventa XCS TE - - Power to Lock - - PG11 94mm 110mm 33mm 24 V ac/dc - NC
RS Stock No. 742-0726
Mfr. Part No.AZM 170SK-11/02ZRK-2197 24VAC/DC
BrandSchmersal
TWD9,904.00
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. 880-1898
Mfr. Part No.MZM 100 ST2-1P2PWREM-A
BrandSchmersal
TWD27,775.00
Each
units
- MZM 100 - - Power to Lock No Straight M12 40mm 179mm 40mm 24 V dc - 1 PNP
RS Stock No. 814-7040
Mfr. Part No.XCSTE7333
TWD9,297.00
Each
units
Preventa XCS-TE - - Power to Unlock Yes Key 1/2 NPT 3.67in 4.32in 1.3in 120 V ac - 1NC
RS Stock No. 746-7201
Mfr. Part No.D4BL-2CRA
BrandOmron
TWD10,725.00
Each
units
- D4BL - - Power to Unlock - Various Options 1/2 NPT 116.5mm 123.5mm 46.3mm 24 V dc - 1NC
RS Stock No. 742-0717
Mfr. Part No.AZM 170SK-11/11ZRK-2197 24 VAC/DC
BrandSchmersal
TWD8,625.00
Each
units
- AZM 170 - - Power to Unlock No Various Options 1/2 NPT 30mm 108mm 100.5mm 24 V ac/dc - 2NO
RS Stock No. 880-1707
Mfr. Part No.AZM300Z-ST-1P2P-A
BrandSchmersal
TWD17,894.00
Each
units
- AZM 300 - - Power to Lock No Various Options 1/2 NPT 85mm 100mm 35mm 24 V dc - 1 PNP
RS Stock No. 749-7694
Mfr. Part No.3SE5322-1SB21
BrandSiemens
TWD7,844.00
Each
units
Sirius 3SE5 - - Power to Unlock No Various Options M20 184.1mm 54mm 39.1mm 230 V ac - 1NO