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. 739-0656
Mfr. Part No.XCSLE3535312
MYR885.76
Each
units
Preventa XCS-LE - - Power to Unlock Yes Key 1/2 NPT 205mm 51mm 43.5mm 24 V ac/dc - -
RS Stock No. 746-7283
Mfr. Part No.D4NL-4EFA-B
BrandOmron
MYR995.98
Each
units
- D4NL - - Power to Unlock - Various Options M20 88.5mm 95mm 35.5mm 24 V dc - NC/NO
RS Stock No. 739-0561
Mfr. Part No.XCSLF2727313
MYR926.81
Each
units
Preventa XCS-LF - - Power to Unlock Yes Key 1/2 in 205mm 51mm 43.5mm 24 V ac/dc - -
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. 814-6996
Mfr. Part No.XCSE5513
MYR2,614.78
Each
units
Preventa XCS-E - - Power to Lock Yes Key 1/2 NPT 146mm 98mm 44mm 24 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. 763-6934
Mfr. Part No.3SE5322-0SB23
BrandSiemens
MYR946.53
Each
units
Sirius 3SE5 - - Power to Lock - Various Options M20 54mm 43.8mm 184.1mm 230 V ac - 1NO
RS Stock No. 301-9978
Mfr. Part No.XCSTE5332
MYR1,261.40
Each
units
Preventa XCS-TE - - Power to Unlock - - M16 93.5mm 33mm 110mm 120 V ac - NC
RS Stock No. 739-0577
Mfr. Part No.XCSLF2725342
MYR710.66
Each
units
Preventa XCS-LF - - Power to Unlock Yes Key M20 205mm 51mm 43.5mm 230 V ac/dc - -
RS Stock No. 820-3793
Mfr. Part No.D4SLN4RDAD
BrandOmron
MYR1,191.80
Each
units
- D4SL-N - - Power to Unlock No Various Options M20 39mm 39mm 179.9mm 24 V dc - 3NC
RS Stock No. 862-1699
Mfr. Part No.D4SL-N4QFA-D
BrandOmron
MYR1,117.31
Each
units
- D4SL-N - - Power to Unlock No Various Options M20 39mm 179.5mm 39mm 24 V dc - 2NC/1NO
RS Stock No. 880-1766
Mfr. Part No.RSS 36-SD-ST
BrandSchmersal
MYR606.51
Each
units
- RSS 36 - - - No - M12 27mm 108.2mm 35mm 24 V dc - -
RS Stock No. 880-1772
Mfr. Part No.AZM 200SK-T-1P2PW
BrandSchmersal
MYR2,128.43
Each
units
- AZM 200 - - Power to Unlock No Various Options 1/2 NPT 40mm 220mm 50mm 24 V dc - 1 PNP
RS Stock No. 763-6946
Mfr. Part No.3SE5322-0SD23
BrandSiemens
MYR941.14
Each
units
Sirius 3SE5 - - Power to Lock - Various Options M20 54mm 43.8mm 184.1mm 230 V ac - 1NO
RS Stock No. 739-0580
Mfr. Part No.XCSLF2525342
MYR823.85
Each
units
Preventa XCS-LF - - Power to Unlock Yes Key M20 205mm 51mm 43.5mm 230 V ac/dc - -
RS Stock No. 617-5100
Mfr. Part No.AZM 161SK-12/12RKA-110/230
BrandSchmersal
MYR1,114.38
Each
units
- AZM 161 - - Power to Lock No Various Options M16 90mm 30mm 130mm 110 V ac, 230 V ac - 2NO
RS Stock No. 198-655
Mfr. Part No.XCSTE7341
MYR1,296.39
Each
units
Preventa XCS TE - - Power to Unlock - - 1/2 in, PG11 94mm 110mm 33mm 230 V ac/dc - NC
RS Stock No. 820-3803
Mfr. Part No.D4SLN4RDGD
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. 826-3997
Mfr. Part No.202001-SS
BrandIDEM
MYR869.05
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
MYR1,106.76
Each
units
- AZM 170 - - Power to Unlock No Various Options 1/2 NPT 30mm 90mm 84mm 230 V ac - 1NO
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