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. 741-8681
Mfr. Part No.AZM 170-02ZRK 230 VAC
BrandSchmersal
MYR1,122.08
Each
units
- AZM 170 - - Power to Unlock No Various Options M20 30mm 90mm 84mm 230 V ac - -
RS Stock No. 739-0638
Mfr. Part No.XCSLE2525342
MYR748.17
Each
units
Preventa XCS-LE - - Power to Unlock Yes Key M20 205mm 51mm 43.5mm 230 V ac/dc - -
RS Stock No. 739-0628
Mfr. Part No.XCSLF3838312
MYR1,249.49
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
MYR802.10
Each
units
Preventa XCS-LE - - Power to Unlock Yes Key 1/2 in 205mm 51mm 43.5mm 24 V ac/dc - -
RS Stock No. 820-3787
Mfr. Part No.D4SLN4PDGD
BrandOmron
MYR1,191.80
Each
units
- D4SL-N - - Power to Lock No Various Options M20 39mm 39mm 179.9mm 24 V dc - 3NC
RS Stock No. 820-3799
Mfr. Part No.D4SLN4QDGD
BrandOmron
MYR1,191.80
Each
units
- D4SL-N - - Power to Lock No Various Options M20 39mm 39mm 179.9mm 24 V dc - 2NC/1NO
RS Stock No. 822-3860
Mfr. Part No.D4SL-N3NFG-DN
BrandOmron
MYR874.31
Each
units
- D4SL-N - - Power to Lock - Various Options 1/2-14 NPT 39mm 155mm 39mm 24 V dc - 2NC/1NO
RS Stock No. 826-3953
Mfr. Part No.221301
BrandIDEM
MYR757.14
Each
units
LEILOCK KL1-P - - Power to Unlock No Various Options M20 143mm 63mm 41.5mm 24 V ac/dc - 1NO
RS Stock No. 826-3993
Mfr. Part No.201001
BrandIDEM
MYR776.22
Each
units
SEZYLOCK KLP - - Power to Unlock No Various Options M20 160mm 46mm 45.5mm 24 V ac/dc - 2NO
RS Stock No. 617-5093
Mfr. Part No.AZM190-02/01RK-24VDC
BrandSchmersal
MYR1,483.87
Each
units
- AZM 190 - - Power to Unlock No Various Options M20 41mm 29.5mm 178mm 24 V dc - -
RS Stock No. 744-8654
Mfr. Part No.570001
BrandPilz
MYR1,466.75
Each
units
PSENmech PSENme - - Power to Unlock Yes Radius M20 184mm 42.5mm 51mm 24 V ac/dc - -
RS Stock No. 739-0606
Mfr. Part No.XCSLF3737312
MYR1,261.75
Each
units
Preventa XCS-LF - - Power to Unlock Yes Key M20 205mm 51mm 43.5mm 24 V ac/dc - -
RS Stock No. 826-3997
Mfr. Part No.202001-SS
BrandIDEM
MYR972.77
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
MYR1,139.02
Each
units
- AZM 170 - - Power to Unlock No Various Options 1/2 NPT 30mm 90mm 84mm 230 V ac - 1NO
RS Stock No. 617-5100
Mfr. Part No.AZM 161SK-12/12RKA-110/230
BrandSchmersal
MYR1,249.28
Each
units
- AZM 161 - - Power to Lock No Various Options M16 90mm 30mm 130mm 110 V ac, 230 V ac - 2NO
RS Stock No. 739-0669
Mfr. Part No.XCSLE3737312
MYR885.76
Each
units
Preventa XCS-LE - - Power to Unlock Yes Key M20 205mm 51mm 43.5mm 24 V ac/dc - -
RS Stock No. 820-3771
Mfr. Part No.D4SLN4NDAD
BrandOmron
MYR1,191.80
Each
units
- D4SL-N - - Power to Unlock No Various Options M20 39mm 39mm 179.9mm 24 V dc - 2NC/1NO
RS Stock No. 739-0603
Mfr. Part No.XCS LF3535343
MYR1,927.74
Each
units
Preventa XCS-LF - - Power to Unlock Yes Key 1/2 in 205mm 51mm 43.5mm 230 V ac/dc - -
RS Stock No. 814-7040
Mfr. Part No.XCSTE7333
MYR1,208.17
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. 739-0571
Mfr. Part No.XCSLF2525312
MYR862.76
Each
units
Preventa XCS-LF - - Power to Unlock Yes Key M20 205mm 51mm 43.5mm 24 V ac/dc - -
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