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. 763-6984
Mfr. Part No.3SE5322-1SE21
BrandSiemens
TWD8,372.00
Each
units
Sirius 3SE5 - - Power to Lock - Various Options M20 54mm 43.8mm 184.1mm 24 V dc - 1NO
RS Stock No. 763-6996
Mfr. Part No.3SE5322-1SG21
BrandSiemens
TWD9,921.00
Each
units
Sirius 3SE5 - - Power to Lock - Various Options M20 54mm 43.8mm 184.1mm 24 V dc - 1NO
RS Stock No. 826-3993
Mfr. Part No.201001
BrandIDEM
TWD4,944.00
Each
units
SEZYLOCK KLP - - Power to Unlock No Various Options M20 160mm 46mm 45.5mm 24 V ac/dc - 2NO
RS Stock No. 826-3969
Mfr. Part No.220301
BrandIDEM
TWD8,858.00
Each
units
RYANLOCK KL1-SS - - Power to Unlock No Various Options M20 143mm 63mm 41.5mm 24 V ac/dc - 1NO
RS Stock No. 739-0638
Mfr. Part No.XCSLE2525342
TWD4,829.00
Each
units
Preventa XCS-LE - - Power to Unlock Yes Key M20 205mm 51mm 43.5mm 230 V ac/dc - -
RS Stock No. 880-1842
Mfr. Part No.EX-AZM 161SK-12/12RK-024-3D
BrandSchmersal
TWD12,930.00
Each
units
- EX-AZM 161 - - Power to Unlock No Various Options M16 130mm 114mm 30mm 24 V ac/dc - NC/NO
RS Stock No. 814-7081
Mfr. Part No.XCSE7513
TWD21,445.00
Each
units
Preventa XCS-E - - Power to Unlock Yes Key 1/2 NPT 146mm 98mm 44mm 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. 814-7040
Mfr. Part No.XCSTE7333
TWD9,097.00
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. 826-3997
Mfr. Part No.202001-SS
BrandIDEM
TWD6,196.00
Each
units
SAMLOCK KLM - - Power to Unlock No Various Options M20 176mm 46mm 47mm 24 V ac/dc - 1NO
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. 132-9971
Mfr. Part No.XCSPL761
TWD1,640.00
Each
units
Preventa XCSPL - NC/NO - Yes Straight Lever - 30mm 103mm 88mm - - -
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. 146-5796
Mfr. Part No.AZM161SK-12/12RIA-024-B1
BrandSchmersal
TWD9,771.00
Each
units
- AZM 161 3P - Power to Lock Yes Coded M20 130mm 90mm 30mm 24 V ac/dc 24V 2NO
RS Stock No. 820-3780
Mfr. Part No.D4SLN4NDGD
BrandOmron
TWD10,312.00
Each
units
- D4SL-N - - Power to Lock No Various Options M20 39mm 39mm 179.9mm 24 V dc - 2NC/1NO
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 - -
RS Stock No. 739-0640
Mfr. Part No.XCS LE2727313
TWD4,890.00
Each
units
Preventa XCS-LE - - Power to Unlock Yes Key 1/2 in 205mm 51mm 43.5mm 24 V ac/dc - -
RS Stock No. 744-8651
Mfr. Part No.570000
BrandPilz
TWD6,096.00
Each
units
PSENmech PSENme - - Power to Unlock Yes Standard M20 184mm 42.5mm 51mm 24 V ac/dc - -
RS Stock No. 739-0577
Mfr. Part No.XCSLF2725342
TWD5,890.00
Each
units
Preventa XCS-LF - - Power to Unlock Yes Key M20 205mm 51mm 43.5mm 230 V ac/dc - -
RS Stock No. 814-7084
Mfr. Part No.XCSE8313
TWD15,527.00
Each
units
Preventa XCS-E - - Power to Unlock Yes Key 1/2 NPT 146mm 98mm 44mm 24 V ac/dc - -