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. 397-2188
Mfr. Part No.XCSE7311
$760.42
Each
units
Preventa XCS-E - - Power to Unlock Yes Key PG13.5 98mm 44mm 146mm 24 V ac/dc - -
RS Stock No. 305-1994
Mfr. Part No.XCSTE5341
$426.36
Each
units
Preventa XCS-TE - - Power to Unlock - - PG11 93.5mm 33mm 110mm 230 V ac - NC
RS Stock No. 362-2596
Mfr. Part No.AZM190-02/10RK-24VDC
BrandSchmersal
$440.91
Each
units
- AZM 190 - - Power to Unlock No Various Options M20 41mm 29.5mm 178mm 24 V dc - -
RS Stock No. 746-7286
Mfr. Part No.D4NL-4CFA-B
BrandOmron
$335.98
Each
units
- D4NL - - Power to Unlock - Various Options M20 88.5mm 95mm 35.5mm 24 V dc - NC/NO
RS Stock No. 742-0713
Mfr. Part No.AZM 170-11ZRKA 230 VAC
BrandSchmersal
$360.24
Each
units
- AZM 170 - - Power to Lock No Various Options 1/2 NPT 30mm 90mm 84mm 230 V ac - 1NO
RS Stock No. 862-1696
Mfr. Part No.D4SL-N4AFA
BrandOmron
$394.13
Each
units
- D4SL-N - - Power to Unlock No Various Options M20 39mm 179.5mm 39mm 24 V dc - NC/NO
RS Stock No. 123-7511
Mfr. Part No.201021
BrandIDEM
$280.47
Each
units
SEZYLOCK KLP-P2L - - Power to Lock No Various Options M20 46mm 160mm 45.5mm 24 V dc - NC/NO
RS Stock No. 301-9962
Mfr. Part No.XCSTE5312
$506.03
Each
units
Preventa XCS-TE - - Power to Unlock - - M16 93.5mm 33mm 110mm 24 V ac/dc - NC
RS Stock No. 824-4920
Mfr. Part No.570800
BrandPilz
$1,255.68
Each
units
PSENsgate PSEN sg2c - - - Yes Handle M12 465mm 200mm 108mm 24 V dc - -
RS Stock No. 861-4638
Mfr. Part No.D4BL-1DRA
BrandOmron
$572.85
Each
units
- D4BL - - Power to Unlock - Various Options 1/2 NPT 116.5mm 123.5mm 46.3mm 24 V dc - 1NC
RS Stock No. 862-1670
Mfr. Part No.D4SL-N4PFA-DN
BrandOmron
$309.88
Each
units
- D4SL-N - - Power to Unlock No Various Options M20 39mm 155mm 39mm 24 V dc - 3NC
RS Stock No. 820-3796
Mfr. Part No.D4SLN4QDAD
BrandOmron
$327.22
Each
units
- D4SL-N - - Power to Unlock No Various Options M20 39mm 39mm 179.9mm 24 V dc - 2NC/1NO
RS Stock No. 826-3953
Mfr. Part No.221301
BrandIDEM
$240.55
Each
units
LEILOCK KL1-P - - Power to Unlock No Various Options M20 143mm 63mm 41.5mm 24 V ac/dc - 1NO
RS Stock No. 880-1902
Mfr. Part No.MZM 100 B ST2-SD2PREM-A
BrandSchmersal
$1,356.58
Each
units
- MZM 100 B - - Power to Lock No Straight M12 40mm 179mm 40mm 24 V dc - -
RS Stock No. 826-3981
Mfr. Part No.450201
BrandIDEM
$488.50
Each
units
RAMZLOCK KLTM-RFID - - Power to Unlock Yes Coded RFID M20 155mm 105mm 46.5mm 24 V dc - 1NO
RS Stock No. 763-7075
Mfr. Part No.3SE5312-0SG11
BrandSiemens
$568.20
Each
units
Sirius 3SE5 - - Power to Lock - Various Options M20 54mm 43.8mm 184.1mm 24 V dc - 1NO
RS Stock No. 880-1775
Mfr. Part No.AZM 200SK-T-1P2PWA
BrandSchmersal
$727.75
Each
units
- AZM 200 - - Power to Lock No Various Options M12 40mm 220mm 50mm 24 V dc - 1 PNP
RS Stock No. 617-5122
Mfr. Part No.AZM415-11/11 ZPKE 24VAC/DC-M20
BrandSchmersal
$865.87
Each
units
- AZM 415 - - Power to Unlock No Various Options 1/2 NPT 100mm 46.5mm 130mm 24 V ac/dc - 2NO
RS Stock No. 880-1842
Mfr. Part No.EX-AZM 161SK-12/12RK-024-3D
BrandSchmersal
$644.98
Each
units
- EX-AZM 161 - - Power to Unlock No Various Options M16 130mm 114mm 30mm 24 V ac/dc - NC/NO
RS Stock No. 862-1712
Mfr. Part No.D4SL-N4EFG-D
BrandOmron
$394.13
Each
units
- D4SL-N - - Power to Lock No Various Options M20 39mm 179.5mm 39mm 24 V dc - NC/NO
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