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. 179-7564
BrandRS PRO
PHP1,603.07
Each
units
- - - 2NC - - 90° Key PG 13.5 31mm 31mm 95mm 600 V ac 600V -
RS Stock No. 880-1895
Mfr. Part No.MZM 100 ST2-SD2PRE-A
BrandSchmersal
PHP36,069.79
Each
units
- MZM 100 - - Power to Lock No Straight M12 40mm 179mm 40mm 24 V dc - -
RS Stock No. 741-8679
Mfr. Part No.AZM 170-02ZRK 24 VAC/DC
BrandSchmersal
PHP17,012.10
Each
units
- AZM 170 - - Power to Unlock No Various Options 1/2 NPT 30mm 90mm 84mm 24 V ac/dc - -
RS Stock No. 880-1886
Mfr. Part No.MZM 100 ST2-SD2PREM-A
BrandSchmersal
PHP43,985.52
Each
units
- MZM 100 - - Power to Lock No Straight M12 40mm 179mm 40mm 24 V dc - -
RS Stock No. 609-6748
Mfr. Part No.XCSE8311
PHP26,532.40
Each
units
Preventa XCS-E - - Power to Unlock Yes Key PG13.5 98mm 44mm 146mm 24 V ac/dc - -
RS Stock No. 826-3962
Mfr. Part No.221304
BrandIDEM
PHP8,943.71
Each
units
LEILOCK KL1-P - - Power to Unlock No Various Options M20 143mm 63mm 41.5mm 110 V ac - 1NO
RS Stock No. 880-1898
Mfr. Part No.MZM 100 ST2-1P2PWREM-A
BrandSchmersal
PHP48,066.34
Each
units
- MZM 100 - - Power to Lock No Straight M12 40mm 179mm 40mm 24 V dc - 1 PNP
RS Stock No. 757-9216
Mfr. Part No.D4NL-1AFG-B
BrandOmron
PHP11,991.88
Each
units
- D4NL - - Power to Lock - Various Options 1/2 NPT 95mm 88.5mm 35.5mm 24 V dc - NC/NO
RS Stock No. 880-1892
Mfr. Part No.MZM 100 ST2-1P2PWRE-A
BrandSchmersal
PHP43,300.71
Each
units
- MZM 100 - - Power to Lock No Straight M12 40mm 179mm 40mm 24 V dc - 1 PNP
RS Stock No. 862-1712
Mfr. Part No.D4SL-N4EFG-D
BrandOmron
PHP13,436.52
Each
units
- D4SL-N - - Power to Lock No Various Options M20 39mm 179.5mm 39mm 24 V dc - NC/NO
RS Stock No. 880-1851
Mfr. Part No.EX-AZM 161SK-12/12RKA-024-3D
BrandSchmersal
PHP23,437.47
Each
units
- EX-AZM 161 - - Power to Lock No Various Options M16 130mm 114mm 30mm 24 V ac/dc - NC/NO
RS Stock No. 763-6940
Mfr. Part No.3SE5322-0SE21
BrandSiemens
PHP14,147.46
Each
units
Sirius 3SE5 - - Power to Lock - Various Options M20 54mm 43.8mm 184.1mm 24 V dc - 1NO
RS Stock No. 252-3814
Mfr. Part No.XCSE5341
PHP39,692.08
Each
units
Preventa XCS-E - - Power to Unlock Yes Key PG13.5 98mm 44mm 146mm 230 V ac - -
RS Stock No. 178-3144
Mfr. Part No.8 10 BJ 28
BrandMecalectro
PHP10,006.72
Each
units
- - - - Power to Lock No Various Options - 65mm 30mm 30mm 24 V dc - -
RS Stock No. 880-1766
Mfr. Part No.RSS 36-SD-ST
BrandSchmersal
PHP7,921.18
Each
units
- RSS 36 - - - No - M12 27mm 108.2mm 35mm 24 V dc - -
RS Stock No. 862-1715
Mfr. Part No.D4SL-N4AFG
BrandOmron
PHP13,436.52
Each
units
- D4SL-N - - Power to Lock No Various Options M20 39mm 179.5mm 39mm 24 V dc - NC/NO
RS Stock No. 814-7087
Mfr. Part No.XCSL761B3
PHP23,812.55
Each
units
- XCS-L - - Power to Unlock Yes Key 1/2 NPT 7.64in 2.99in 1.73in 24 V dc - -
RS Stock No. 617-5065
Mfr. Part No.AZM 161SK-12/12RK-024
BrandSchmersal
PHP18,565.94
Each
units
- AZM 161 - - Power to Unlock No Various Options M16 90mm 30mm 130mm 24 V ac/dc - 2NO
RS Stock No. 822-3860
Mfr. Part No.D4SL-N3NFG-DN
BrandOmron
PHP10,579.13
Each
units
- D4SL-N - - Power to Lock - Various Options 1/2-14 NPT 39mm 155mm 39mm 24 V dc - 2NC/1NO
RS Stock No. 824-4920
Mfr. Part No.570800
BrandPilz
PHP40,405.08
Each
units
PSENsgate PSEN sg2c - - - Yes Handle M12 465mm 200mm 108mm 24 V dc - -
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