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 Power to Lock / Unlock Series Supply Voltage Actuator Included Range Actuator Type Safety Contacts Conduit Entry Normal State Configuration Auxiliary Contacts Length Housing Material Rated stroke Width
RS Stock No. 179-7564
BrandRS PRO
kr 299,08
Each
Units
- - 600 V ac - - 90° Key - PG13.5 2NC - 31mm Plastic - 31mm
RS Stock No. 739-0631
Mfr. Part No.XCSLE2525312
kr 1 365,89
Each
Units
Power to Unlock XCS-LE 24 V ac/dc No Preventa Key 1NO/1NC M20 - - 205mm Plastic - 51mm
RS Stock No. 397-2201
Mfr. Part No.XCSE7331
kr 3 958,09
Each
Units
Power to Unlock XCS-E 110/120 V ac Yes Preventa Key 1NO/2NC PG13.5 - - 98mm Metal - 44mm
RS Stock No. 862-1709
Mfr. Part No.D4SL-N4EFA-D
BrandOmron
kr 1 585,00
Each
Units
Power to Unlock D4SL-N 24 V dc No - Various Options 2NC/1NO M20 - NC/NO 39mm Metal - 179.5mm
RS Stock No. 498-993
Mfr. Part No.3SE5312-0SD11
BrandSiemens
kr 3 718,02
Each
Units
Power to Unlock 3SE5 24 V dc - SIRIUS Various Options 2NC M20 - 1NO 54mm Metal - 43.8mm
RS Stock No. 763-6937
Mfr. Part No.3SE5322-0SB21
BrandSiemens
kr 2 891,79
Each
Units
Power to Lock 3SE5 24 V dc - SIRIUS Various Options 2NC M20 - 1NO 54mm Plastic - 43.8mm
RS Stock No. 305-1988
Mfr. Part No.XCSTE5311
kr 2 303,07
Each
Units
Power to Unlock XCS-TE 24 V ac/dc - Preventa - 1NO/1NC PG11 - NC 93.5mm Plastic - 33mm
RS Stock No. 617-5065
Mfr. Part No.AZM 161SK-12/12RK-024
BrandSchmersal
kr 1 886,70
Each
Units
Power to Unlock AZM 161 24 V ac/dc No - Various Options 4NC M16 - 2NO 90mm Plastic - 30mm
RS Stock No. 301-9984
Mfr. Part No.XCSTE7312
kr 2 442,65
Each
Units
Power to Unlock XCS-TE 24 V ac/dc - Preventa - 2NC M16 - NC 93.5mm Plastic - 33mm
RS Stock No. 746-7295
Mfr. Part No.D4NS-4BF
BrandOmron
kr 364,50
Each
Units
- D4NS - - - - - - 2NC - 96mm Plastic - 31mm
RS Stock No. 609-6748
Mfr. Part No.XCSE8311
kr 3 649,02
Each
Units
Power to Unlock XCS-E 24 V ac/dc Yes Preventa Key 3NC PG13.5 - - 98mm Metal - 44mm
RS Stock No. 397-2188
Mfr. Part No.XCSE7311
kr 3 649,02
Each
Units
Power to Unlock XCS-E 24 V ac/dc Yes Preventa Key 1NO/2NC PG13.5 - - 98mm Metal - 44mm
RS Stock No. 814-7081
Mfr. Part No.XCSE7513
kr 4 366,86
Each
Units
Power to Unlock XCS-E 24 V ac/dc Yes Preventa Key 1NO/2NC 1/2 NPT - - 146mm Metal - 98mm
RS Stock No. 744-8651
Mfr. Part No.570000
BrandPilz
kr 1 481,59
Each
Units
Power to Unlock PSENme 24 V ac/dc Yes PSENmech Standard 2NO M20 - - 184mm Plastic - 42.5mm
RS Stock No. 826-3993
Mfr. Part No.201001
BrandIDEM
kr 1 675,17
Each
Units
Power to Unlock KLP 24 V ac/dc No SEZYLOCK Various Options 2NC M20 - 2NO 160mm Plastic - 46mm
RS Stock No. 746-7292
Mfr. Part No.D4NS-4AF
BrandOmron
kr 364,50
Each
Units
- D4NS - - - - - - 1NC/1NO - 96mm Plastic - 31mm
RS Stock No. 862-1703
Mfr. Part No.D4SL-N4CFG
BrandOmron
kr 1 537,00
Each
Units
Power to Lock D4SL-N 24 V dc No - Various Options 2NC M20 - NC/NO 39mm Metal - 179.5mm
RS Stock No. 861-4650
Mfr. Part No.D4NS-2CF
BrandOmron
kr 421,90
Each
Units
- D4NS - Yes - - - - 2NC/1NO - 31mm Plastic - 30mm
RS Stock No. 739-0606
Mfr. Part No.XCSLF3737312
kr 2 911,24
Each
Units
Power to Unlock XCS-LF 24 V ac/dc Yes Preventa Key 2NC/1NO M20 - - 205mm Metal - 51mm
RS Stock No. 178-3144
Mfr. Part No.8 10 BJ 28
BrandMecalectro
kr 1 716,47
Each
Units
Power to Lock - 24 V dc No - Various Options - - - - 65mm - - 30mm