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. 305-1988
Mfr. Part No.XCSTE5311
HK$1,673.74
Each
units
Preventa XCS-TE - - Power to Unlock - - PG11 93.5mm 33mm 110mm 24 V ac/dc - NC
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
RS Stock No. 198-728
Mfr. Part No.XCSTE5511
HK$1,892.52
Each
units
Preventa XCS TE - - Power to Lock - - PG11 94mm 110mm 33mm 24 V ac/dc - NC
RS Stock No. 362-2596
Mfr. Part No.AZM190-02/10RK-24VDC
BrandSchmersal
HK$1,729.33
Each
units
- AZM 190 - - Power to Unlock No Various Options M20 41mm 29.5mm 178mm 24 V dc - -
RS Stock No. 880-1902
Mfr. Part No.MZM 100 B ST2-SD2PREM-A
BrandSchmersal
HK$5,614.74
Each
units
- MZM 100 B - - Power to Lock No Straight M12 40mm 179mm 40mm 24 V dc - -
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. 744-8651
Mfr. Part No.570000
BrandPilz
HK$1,170.00
Each
units
PSENmech PSENme - - Power to Unlock Yes Standard M20 184mm 42.5mm 51mm 24 V ac/dc - -
RS Stock No. 814-7053
Mfr. Part No.XCSB803
HK$1,727.96
Each
units
Preventa XCS-B - - Power to Lock Yes Key 1/2 NPT 114mm 52mm 44mm 230 V ac/dc - -
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. 757-9203
Mfr. Part No.D4NL-4EFG-B
BrandOmron
HK$1,450.00
Each
units
- D4NL - - Power to Lock - Various Options M20 95mm 88.5mm 35.5mm 24 V dc - 2NC/1NO
RS Stock No. 609-6726
Mfr. Part No.XCSE5331
HK$2,570.00
Each
units
Preventa XCS-E - - Power to Unlock Yes Key M20 98mm 44mm 146mm 110/120 V ac - -
RS Stock No. 757-9207
Mfr. Part No.D4NL-1CFG-B
BrandOmron
HK$1,668.21
Each
units
- D4NL - - Power to Lock No Various Options 1/2 NPT 95mm 88.5mm 35.5mm 24 V dc - 2NC
RS Stock No. 739-0574
Mfr. Part No.XCSLF2725312
HK$1,470.00
Each
units
Preventa XCS-LF - - Power to Unlock Yes Key M20 205mm 51mm 43.5mm 24 V ac/dc - -
RS Stock No. 880-1781
Mfr. Part No.AZM 200ST2-T-SD2P
BrandSchmersal
HK$3,909.06
Each
units
- AZM 200 - - Power to Lock No Various Options M12 40mm 220mm 50mm 24 V dc - -
RS Stock No. 763-6952
Mfr. Part No.3SE5322-0SE23
BrandSiemens
HK$2,151.64
Each
units
Sirius 3SE5 - - Power to Lock - Various Options M20 54mm 43.8mm 184.1mm 230 V ac - 1NO
RS Stock No. 198-655
Mfr. Part No.XCSTE7341
HK$1,764.99
Each
units
Preventa XCS TE - - Power to Unlock - - PG11, 1/2 in 94mm 110mm 33mm 230 V ac/dc - NC
RS Stock No. 741-8679
Mfr. Part No.AZM 170-02ZRK 24 VAC/DC
BrandSchmersal
HK$1,605.90
Each
units
- AZM 170 - - Power to Unlock No Various Options 1/2 NPT 30mm 90mm 84mm 24 V ac/dc - -
RS Stock No. 820-3799
Mfr. Part No.D4SLN4QDGD
BrandOmron
HK$1,566.40
Each
units
- D4SL-N - - Power to Lock No Various Options M20 39mm 39mm 179.9mm 24 V dc - 2NC/1NO
RS Stock No. 763-6934
Mfr. Part No.3SE5322-0SB23
BrandSiemens
HK$1,685.26
Each
units
Sirius 3SE5 - - Power to Lock - Various Options M20 54mm 43.8mm 184.1mm 230 V ac - 1NO
RS Stock No. 824-4920
Mfr. Part No.570800
BrandPilz
HK$6,817.80
Each
units
PSENsgate PSEN sg2c - - - Yes Handle M12 465mm 200mm 108mm 24 V dc - -
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