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 Rated stroke Power to Lock / Unlock Actuator Included Actuator Type Conduit Entry Length Width Depth Supply Voltage Maximum AC Voltage
RS Stock No. 133-0068
Mfr. Part No.XCSLE2727512
MYR596.19
Each
units
Preventa XCS-LE DP - - Power to Lock No Key M20 44mm 51mm 205mm 24 V ac/dc 240V
RS Stock No. 739-0600
Mfr. Part No.XCS LF3737313
MYR1,361.55
Each
units
Preventa XCS-LF - - - Power to Unlock Yes Key 1/2 in 205mm 51mm 43.5mm 24 V ac/dc -
RS Stock No. 880-1766
Mfr. Part No.RSS 36-SD-ST
BrandSchmersal
MYR698.95
Each
units
- RSS 36 - - - - No - M12 27mm 108.2mm 35mm 24 V dc -
RS Stock No. 820-3796
Mfr. Part No.D4SLN4QDAD
BrandOmron
MYR937.68
Each
units
- D4SL-N - - - Power to Unlock No Various Options M20 39mm 39mm 179.9mm 24 V dc -
RS Stock No. 123-7511
Mfr. Part No.201021
BrandIDEM
MYR803.72
Each
units
SEZYLOCK KLP-P2L - - - Power to Lock No Various Options M20 46mm 160mm 45.5mm 24 V dc -
RS Stock No. 862-1677
Mfr. Part No.D4SL-N4NFA-DN
BrandOmron
MYR887.97
Each
units
- D4SL-N - - - Power to Unlock No Various Options M20 39mm 155mm 39mm 24 V dc -
RS Stock No. 739-0574
Mfr. Part No.XCSLF2725312
MYR823.85
Each
units
Preventa XCS-LF - - - Power to Unlock Yes Key M20 205mm 51mm 43.5mm 24 V ac/dc -
RS Stock No. 739-0561
Mfr. Part No.XCSLF2727313
MYR1,080.59
Each
units
Preventa XCS-LF - - - Power to Unlock Yes Key 1/2 in 205mm 51mm 43.5mm 24 V ac/dc -
RS Stock No. 763-6934
Mfr. Part No.3SE5322-0SB23
BrandSiemens
MYR1,008.05
Each
units
Sirius 3SE5 - - - Power to Lock - Various Options M20 54mm 43.8mm 184.1mm 230 V ac -
RS Stock No. 749-7690
Mfr. Part No.3SE5312-0SD13
BrandSiemens
MYR2,066.42
Each
units
Sirius 3SE5 - - - Power to Unlock No Various Options M20 184.1mm 54mm 55.7mm 230 V ac -
RS Stock No. 820-3793
Mfr. Part No.D4SLN4RDAD
BrandOmron
MYR1,019.22
Each
units
- D4SL-N - - - Power to Unlock No Various Options M20 39mm 39mm 179.9mm 24 V dc -
RS Stock No. 617-5138
Mfr. Part No.AZM415-11/11 ZPKE 230VAC-M20
BrandSchmersal
MYR2,049.22
Each
units
- AZM 415 - - - Power to Unlock No Various Options 1/2 NPT 100mm 46.5mm 130mm 230 V ac -
RS Stock No. 814-7087
Mfr. Part No.XCSL761B3
MYR1,891.06
Each
units
- XCS-L - - - Power to Unlock Yes Key 1/2 NPT 7.64in 2.99in 1.73in 24 V dc -
RS Stock No. 739-0662
Mfr. Part No.XCSLE3737342
MYR1,087.26
Each
units
Preventa XCS-LE - - - Power to Unlock Yes Key M20 205mm 51mm 43.5mm 230 V ac/dc -
RS Stock No. 763-6937
Mfr. Part No.3SE5322-0SB21
BrandSiemens
MYR1,639.36
Each
units
Sirius 3SE5 - - - Power to Lock - Various Options M20 54mm 43.8mm 184.1mm 24 V dc -
RS Stock No. 739-0571
Mfr. Part No.XCSLF2525312
MYR892.66
Each
units
Preventa XCS-LF - - - Power to Unlock Yes Key M20 205mm 51mm 43.5mm 24 V ac/dc -
RS Stock No. 742-0707
Mfr. Part No.AZM 170-11ZRK 230 VAC
BrandSchmersal
MYR1,025.12
Each
units
- AZM 170 - - - Power to Unlock No Various Options 1/2 NPT 30mm 90mm 84mm 230 V ac -
RS Stock No. 178-3150
Mfr. Part No.8 10 BM 28
BrandMecalectro
MYR1,001.19
Each
units
- - - - - Power to Unlock No Various Options - 60mm 30mm 30mm 24 V dc -
RS Stock No. 739-0631
Mfr. Part No.XCSLE2525312
MYR591.90
Each
units
Preventa XCS-LE - - - Power to Unlock No Key M20 205mm 51mm 43.5mm 24 V ac/dc -
RS Stock No. 498-959
Mfr. Part No.3SE5322-0SD21
BrandSiemens
MYR936.57
Each
units
Sirius 3SE5 - - - Power to Unlock - Various Options M20 54mm 43.8mm 159mm 24 V dc -