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. 880-1905
Mfr. Part No.MZM 100 B ST2-SD2PRE-A
BrandSchmersal
TWD25,835.00
Each
units
- MZM 100 B - - Power to Lock No Straight M12 40mm 179mm 40mm 24 V dc - -
RS Stock No. 133-0067
Mfr. Part No.XCSLF3737412
TWD12,134.00
Each
units
Preventa XCSLF DP 2NC (Main), 2NC (Safety) Power to Lock Yes Key M20 x 1.5 44mm 51mm 205mm 24 V ac/dc 240V -
RS Stock No. 820-3783
Mfr. Part No.D4SLN4PDAD
BrandOmron
TWD6,871.00
Each
units
- D4SL-N - - Power to Unlock No Various Options M20 39mm 39mm 179.9mm 24 V dc - 3NC
RS Stock No. 862-1683
Mfr. Part No.D4SL-N4RFA-DN
BrandOmron
TWD6,507.00
Each
units
- D4SL-N - - Power to Unlock No Various Options M20 39mm 155mm 39mm 24 V dc - 3NC
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. 763-7053
Mfr. Part No.3SE5312-0SE11
BrandSiemens
TWD10,329.00
Each
units
Sirius 3SE5 - - Power to Lock - Various Options M20 54mm 43.8mm 184.1mm 24 V dc - 1NO
RS Stock No. 880-1716
Mfr. Part No.AZM300Z-I2-ST-1P2P
BrandSchmersal
TWD19,546.00
Each
units
- AZM 300 - - Power to Unlock No Various Options M12 85mm 100mm 35mm 24 V dc - 1 PNP
RS Stock No. 880-1902
Mfr. Part No.MZM 100 B ST2-SD2PREM-A
BrandSchmersal
TWD28,485.00
Each
units
- MZM 100 B - - Power to Lock No Straight M12 40mm 179mm 40mm 24 V dc - -
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. 880-1779
Mfr. Part No.AZM 200ST2-T-1P2P
BrandSchmersal
TWD18,416.00
Each
units
- AZM 200 - - Power to Unlock No Various Options M12 40mm 220mm 50mm 24 V dc - 1 PNP
RS Stock No. 763-6952
Mfr. Part No.3SE5322-0SE23
BrandSiemens
TWD8,698.00
Each
units
Sirius 3SE5 - - Power to Lock - Various Options M20 54mm 43.8mm 184.1mm 230 V ac - 1NO
RS Stock No. 617-5093
Mfr. Part No.AZM190-02/01RK-24VDC
BrandSchmersal
TWD10,003.00
Each
units
- AZM 190 - - Power to Unlock No Various Options M20 41mm 29.5mm 178mm 24 V dc - -
RS Stock No. 763-6984
Mfr. Part No.3SE5322-1SE21
BrandSiemens
TWD8,755.00
Each
units
Sirius 3SE5 - - Power to Lock - Various Options M20 54mm 43.8mm 184.1mm 24 V dc - 1NO
RS Stock No. 146-5797
Mfr. Part No.AZM170-02ZRIA-B1 24VAC/DC
BrandSchmersal
TWD9,677.00
Each
units
- AZM 170 DP - Power to Lock Yes Coded M20 90mm 84mm 30mm 24 V ac/dc 24V -
RS Stock No. 814-7081
Mfr. Part No.XCSE7513
TWD22,530.00
Each
units
Preventa XCS-E - - Power to Unlock Yes Key 1/2 NPT 146mm 98mm 44mm 24 V ac/dc - -
RS Stock No. 617-5100
Mfr. Part No.AZM 161SK-12/12RKA-110/230
BrandSchmersal
TWD8,422.00
Each
units
- AZM 161 - - Power to Lock No Various Options M16 90mm 30mm 130mm 110 V ac, 230 V ac - 2NO
RS Stock No. 739-0559
Mfr. Part No.XCSLF2727312
TWD5,855.00
Each
units
Preventa XCS-LF - - Power to Unlock Yes Key M20 205mm 51mm 43.5mm 24 V ac/dc - -
RS Stock No. 826-3975
Mfr. Part No.450001
BrandIDEM
TWD5,812.00
Each
units
RAMZLOCK KLTM - - Power to Unlock No Various Options M20 155mm 105mm 46.5mm 24 V dc - 1NO
RS Stock No. 739-0628
Mfr. Part No.XCSLF3838312
TWD7,449.00
Each
units
Preventa XCS-LF - - Power to Unlock Yes Key M20 205mm 51mm 43.5mm 24 V ac/dc - -