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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Omschrijving Prijs Range Series Pole Configuration Normal State Configuration Power to Lock / Unlock Actuator Included Rated stroke Supply Voltage Actuator Type Interface Safety Contacts Conduit Entry Length Housing Material
RS-stocknr. 763-6946
Fabrikantnummer3SE5322-0SD23
FabrikantSiemens
224,10 €
Each
Aantal stuks
Sirius 3SE5 - - Power to Lock - - 230 V ac Various Options - 2NC M20 54mm Plastic
RS-stocknr. 136-3175
Fabrikantnummer6018119046
FabrikantBernstein AG
214,70 €
Each
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- SLK DP - Power to Unlock No - 110 V ac, 230 V ac Various Options - 1NO/1NC M20 42.5mm Plastic
RS-stocknr. 206-5774
Fabrikantnummer103013909
FabrikantKA Schmersal
545,67 €
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AZM201 AZM201Z-ST2-T-1P2PW 1P-Diagnostic, 2P-Safety - Power to Unlock - 7.5 +0.5/-2.5mm 26.4 V dc - - - - - -
RS-stocknr. 151-2451
Fabrikantnummer442G-MABR-URM-C05
732,55 €
Each
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- 442G - - Power to Unlock Yes - 5 → 24 V dc Unique RFID Coded Bolt - - M23 285.3mm Glass Fibre Reinforced Plastic
RS-stocknr. 356-6187
Fabrikantnummer440G-L07263
528,00 €
Each
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Atlas 5 440G-L - - Power to Lock Yes - 110 V ac/dc Standard - 2NC M20 90mm Metal
RS-stocknr. 810-4071
Fabrikantnummer440G-LZS21UPRB
329,00 €
Each
Aantal stuks
- 440G-LZ - - Power to Unlock Yes - 24 V dc Unique - 2 PNP 10 m Cable 140mm Plastic
RS-stocknr. 151-2444
Fabrikantnummer442G-MABR-ULM-C04
938,40 €
Each
Aantal stuks
- 442G - - Power to Unlock Yes - 5 → 24 V dc Unique RFID Coded Bolt - - M23 285.3mm Glass Fibre Reinforced Plastic
RS-stocknr. 151-2546
Fabrikantnummer440G-LZS21STRH
266,91 €
Each
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- 440G-LZ - - Power to Unlock Yes - 24 V dc Standard - 2 PNP (0.2A max) M12 45mm ABS
RS-stocknr. 746-7201
FabrikantnummerD4BL-2CRA
FabrikantOmron
254,41 €
Each
Aantal stuks
- D4BL - - Power to Unlock - - 24 V dc Various Options - 1NC/1NO 1/2 NPT 116.5mm Metal
RS-stocknr. 862-1712
FabrikantnummerD4SL-N4EFG-D
FabrikantOmron
159,90 €
Each
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- D4SL-N - - Power to Lock No - 24 V dc Various Options - 2NC/1NO M20 39mm Metal
RS-stocknr. 146-5797
FabrikantnummerAZM170-02ZRIA-B1 24VAC/DC
FabrikantSchmersal
249,66 €
Each
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- AZM 170 DP - Power to Lock Yes - 24 V ac/dc Coded - 2NC M20 90mm Plastic
RS-stocknr. 151-2544
Fabrikantnummer440G-LZS21STRA
266,91 €
Each
Aantal stuks
- 440G-LZ - - Power to Unlock Yes - 24 V dc Standard - - - 45mm ABS
RS-stocknr. 151-2415
Fabrikantnummer442G-MABR-UT-C00
617,55 €
Each
Aantal stuks
- 442G - - Power to Unlock Yes - 5 → 24 V dc Unique RFID Coded Bolt - - M20 285.3mm Glass Fibre Reinforced Plastic
RS-stocknr. 151-2553
Fabrikantnummer440G-LZS21UTRH
297,46 €
Each
Aantal stuks
- 440G-LZ - - Power to Unlock Yes - 24 V dc Unique RFID Coded Bolt - - M12 45mm ABS
RS-stocknr. 151-2550
Fabrikantnummer440G-LZS21STLH
271,00 €
Each
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- 440G-LZ - - Power to Lock Yes - 24 V dc Standard - 2 PNP (0.2A max) M12 45mm ABS
RS-stocknr. 151-2466
Fabrikantnummer442G-MABRB-UL-E0JP4679
1.897,50 €
Each
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- 442G - - Power to Unlock Yes - 5 → 24 V dc Unique RFID Coded Bolt - - M12 x 2 285.3mm Glass Fibre Reinforced Plastic
RS-stocknr. 826-3981
Fabrikantnummer450201
FabrikantIDEM
322,88 €
Each
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RAMZLOCK KLTM-RFID - - Power to Unlock Yes - 24 V dc Coded RFID - 2NC M20 155mm Metal
RS-stocknr. 814-7040
FabrikantnummerXCSTE7333
259,00 €
Each
Aantal stuks
Preventa XCS-TE - - Power to Unlock Yes - 120 V ac Key - 2NC 1/2 NPT 3.67in Plastic
RS-stocknr. 151-2424
Fabrikantnummer442G-MABR-URM-C00
722,20 €
Each
Aantal stuks
- 442G - - Power to Unlock Yes - 5 → 24 V dc Unique RFID Coded Bolt - - M23 285.3mm Glass Fibre Reinforced Plastic
RS-stocknr. 136-3178
Fabrikantnummer6018169055
FabrikantBernstein AG
214,70 €
Each
Aantal stuks
- SLK 4P - Power to Unlock No - 110 V ac, 230 V ac Various Options - 2NC M20 42.5mm Plastic