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. 826-3997
Mfr. Part No.202001-SS
BrandIDEM
HK$1,596.04
Each
units
SAMLOCK KLM - - Power to Unlock No Various Options M20 176mm 46mm 47mm 24 V ac/dc - 1NO
RS Stock No. 617-5100
Mfr. Part No.AZM 161SK-12/12RKA-110/230
BrandSchmersal
HK$1,577.49
Each
units
- AZM 161 - - Power to Lock No Various Options M16 90mm 30mm 130mm 110 V ac, 230 V ac - 2NO
RS Stock No. 609-6748
Mfr. Part No.XCSE8311
HK$3,020.00
Each
units
Preventa XCS-E - - Power to Unlock Yes Key PG13.5 98mm 44mm 146mm 110/120 V ac - -
RS Stock No. 617-5093
Mfr. Part No.AZM190-02/01RK-24VDC
BrandSchmersal
HK$1,850.92
Each
units
- AZM 190 - - Power to Unlock No Various Options M20 41mm 29.5mm 178mm 24 V dc - -
RS Stock No. 263-3797
Mfr. Part No.XCSE7512
HK$3,020.00
Each
units
Preventa XCS-E - - Power to Lock Yes Key PG13.5 98mm 44mm 146mm 24 V ac/dc - -
RS Stock No. 749-7690
Mfr. Part No.3SE5312-0SD13
BrandSiemens
HK$2,254.42
Each
units
Sirius 3SE5 - - Power to Unlock No Various Options M20 184.1mm 54mm 55.7mm 230 V ac - 1NO
RS Stock No. 763-7090
Mfr. Part No.3SE5312-1SG11
BrandSiemens
HK$2,933.48
Each
units
Sirius 3SE5 - - Power to Lock - Various Options M20 54mm 43.8mm 184.1mm 24 V dc - 1NO
RS Stock No. 892-9044
Mfr. Part No.TA2T6SL111
BrandFortress
HK$4,261.00
Each
units
AmGardpro proAT / proLok - - Power to Unlock Yes Tongue M12 177.1mm 80mm 40mm 110 V ac - 1NO
RS Stock No. 861-4638
Mfr. Part No.D4BL-1DRA
BrandOmron
HK$2,677.40
Each
units
- D4BL - - Power to Unlock - Various Options 1/2 NPT 116.5mm 123.5mm 46.3mm 24 V dc - 1NC
RS Stock No. 617-5071
Mfr. Part No.AZM 161SK-12/12RK-110/230
BrandSchmersal
HK$1,577.49
Each
units
- AZM 161 - - Power to Unlock No Various Options M16 90mm 30mm 130mm 110 V ac, 230 V ac - 2NO
RS Stock No. 763-7038
Mfr. Part No.3SE5312-1SB11
BrandSiemens
HK$2,456.08
Each
units
Sirius 3SE5 - - Power to Lock - Various Options M20 54mm 43.8mm 184.1mm 24 V dc - 1NO
RS Stock No. 880-1851
Mfr. Part No.EX-AZM 161SK-12/12RKA-024-3D
BrandSchmersal
HK$2,550.66
Each
units
- EX-AZM 161 - - Power to Lock No Various Options M16 130mm 114mm 30mm 24 V ac/dc - NC/NO
RS Stock No. 742-0717
Mfr. Part No.AZM 170SK-11/11ZRK-2197 24 VAC/DC
BrandSchmersal
HK$1,820.18
Each
units
- AZM 170 - - Power to Unlock No Various Options 1/2 NPT 30mm 108mm 100.5mm 24 V ac/dc - 2NO
RS Stock No. 742-0707
Mfr. Part No.AZM 170-11ZRK 230 VAC
BrandSchmersal
HK$1,525.60
Each
units
- AZM 170 - - Power to Unlock No Various Options 1/2 NPT 30mm 90mm 84mm 230 V ac - 1NO
RS Stock No. 880-1722
Mfr. Part No.AZM300Z-ST-SD2P-A
BrandSchmersal
HK$4,148.73
Each
units
- AZM 300 - - Power to Lock No Various Options 1/2 NPT 85mm 100mm 35mm 24 V dc - -
RS Stock No. 880-1785
Mfr. Part No.AZM 200ST2-T-SD2PA
BrandSchmersal
HK$4,343.40
Each
units
- AZM 200 - - Power to Lock No Various Options M12 40mm 220mm 20mm 24 V dc - -
RS Stock No. 880-1766
Mfr. Part No.RSS 36-SD-ST
BrandSchmersal
HK$1,106.00
Each
units
- RSS 36 - - - No - M12 27mm 108.2mm 35mm 24 V dc - -
RS Stock No. 880-1716
Mfr. Part No.AZM300Z-I2-ST-1P2P
BrandSchmersal
HK$4,609.70
Each
units
- AZM 300 - - Power to Unlock No Various Options M12 85mm 100mm 35mm 24 V dc - 1 PNP
RS Stock No. 763-6996
Mfr. Part No.3SE5322-1SG21
BrandSiemens
HK$2,542.92
Each
units
Sirius 3SE5 - - Power to Lock - Various Options M20 54mm 43.8mm 184.1mm 24 V dc - 1NO
RS Stock No. 492-3008
Mfr. Part No.SS1-CLIN-A02022D024B
BrandFortress
HK$4,743.00
Each
units
MGard SS1 - - Power to Unlock Yes Key M12 144.5mm 88.9mm 75.2mm 24 V dc - 2NO
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