Safety-Rated Interlock Switches

Safety rated interlock switches are safeguarding measures designed to improve safety in situations where guards or gates are used around hazardous machinery or equipment.

What are safety rated interlock switches used for?

In industrial situations, safety rated interlock switches prevent or permit the use of machinery, depending on safety conditions. They allow current to pass to the machine when it is safe to operate, for example when the machine's guard is closed. And they cut off the power if there's a potential hazard, such as a guard being opened. When a dangerous piece of equipment such as a metalworking machine is in operation, safety rated interlock switch might be used to ensure safety gates remain closed, excluding workers from hazardous areas.

Types of safety rated interlock switches

Safety rated interlock switches vary according to their lock type, maximum current and voltage, as well as their housing material. Guard-locking switches prevent access to machine parts that may still be in motion, even when the power has been cut. Hinge switches will close protective gates and guards in unsafe conditions.


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Omschrijving Prijs Connection Type Lock Style Normal State Configuration Housing Material Maximum AC Voltage Maximum DC Voltage Safety Contacts Range Actuator Included Lock Type Number of Head Directions Series Auxiliary Contacts Depth
RS-stocknr. 826-3909
Fabrikantnummer204001
FabrikantIDEM
105,98 €
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M20 Key 2NC/1NO Stainless Steel - - 2NC/1NO Kobra - - 8 KM-SS - 44mm
RS-stocknr. 179-4755
FabrikantnummerHS6E-N7Y4B05-G
FabrikantIdec
303,18 €
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Cable Key NC/NC (Main), NC/NO (Door Monitor), NO (Lock Monitor) Plastic 250V 30V 1NC/1NO (Door Monitor), 1NC+1NC (Main), 1NO (Lock Monitor) - Yes Solenoid Lock - HS6E - 75mm
RS-stocknr. 189-5311
Fabrikantnummer6018200015
FabrikantBernstein AG
123,60 €
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Screw - 2NC (Inter Lock), NC/NO (Guard Lock) Glass Fibre Reinforced Thermoplastic 24V 24V 2NC (Inter Lock), NC/NO (Guard Lock) - Yes Guard Lock, Inter Lock - SLC - 44mm
RS-stocknr. 132-9182
FabrikantnummerXCSPA891
FabrikantTelemecanique
46,10 €
Each
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PG 11 Key 1NC/2NO Glass Fibre Reinforced PA 240V 250V 1NC/2NO Preventa Yes - 8 XCSPA - 94mm
RS-stocknr. 136-3173
Fabrikantnummer6016469066
FabrikantBernstein AG
40,41 €
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Screw Key 2NC PBT 240V 250V - - Yes - 4 SKT - 83mm
RS-stocknr. 183-6013
Fabrikantnummer440T-AKEYE100D
34,80 €
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Aantal stuks
- Key - - - - - - - - - 440T - -
RS-stocknr. 754-8304
Fabrikantnummer3SE5212-0RV40
FabrikantSiemens
50,67 €
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M20 Key 1NC/1NO Metal 230V 230V 1NC Sirius - - 5 3SE5 1NO 33mm
RS-stocknr. 133-0077
FabrikantnummerXCSDMP50010
79,20 €
Each
Aantal stuks
10m Pre-Cabled - - Plastic - - NC/3NO Preventa Yes - - XCSDMP - 88mm
RS-stocknr. 666-4940
FabrikantnummerXCSB502EX
254,00 €
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Screw Key 1NC/2NO Zamak 240V 250V 1NC/2NO Preventa - - 8 XCSB - 44mm
RS-stocknr. 153-141
FabrikantnummerGKNC21
FabrikantHoneywell
52,85 €
Each
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M20 Key 2NC/1NO Glass Filled PET 600V 250V 2NC/1NO - - - 4 GKN - 33mm
RS-stocknr. 337-3799
FabrikantnummerGKBC1L7
FabrikantHoneywell
111,29 €
Each
Aantal stuks
M20 Key 1NC/1NO Glass Filled PET 600V 250V 1NC - Yes - 2 GKB 1NO 42.6mm
RS-stocknr. 183-6020
Fabrikantnummer440T-MRKSE110C
288,60 €
Each
Aantal stuks
M4 Key 2NC, 2NO Stainless Steel - - 2NC, 2NO - Yes Interlock - 440T 2NC, 2NO 143mm
RS-stocknr. 820-3519
FabrikantnummerGKMC03
FabrikantHoneywell
78,87 €
Each
Aantal stuks
M12 Key 1NC/1NO Glass Filled PET 240V 250V - - Yes - 2 GKM - 16mm
RS-stocknr. 147-534
FabrikantnummerGKMD03
FabrikantHoneywell
76,82 €
Each
Aantal stuks
M12 Key 1NC/1NO Glass Filled PET 50V 50V 1NC/1NO - - - 2 GKM - 16mm
RS-stocknr. 330-0735
Fabrikantnummer440K-T11132
95,60 €
Each
Aantal stuks
M20 Key 2NC Glass Filled PBT 500V 250V 2NC Trojan 5 Yes - 4 440K - 25mm
RS-stocknr. 498-921
Fabrikantnummer3SE5232-0RV40
FabrikantSiemens
43,11 €
Each
Aantal stuks
M20 Key 1NC/1NO Plastic 230V 230V - Sirius - - 5 3SE5 NC/NO 33mm
RS-stocknr. 623-3060
FabrikantnummerAZ16-03ZVRK-M20
FabrikantSchmersal
34,10 €
Each
Aantal stuks
M20 Key 3NC Glass Fibre Reinforced Thermoplastic 230V 24V 3NC - - - 3 AZ16 - 30mm
RS-stocknr. 176-0045
Fabrikantnummer2TLA042022R3400
FabrikantABB Jokab
369,00 €
Each
Aantal stuks
Male M12 - - Anodized Aluminum, Polycarbonate - 24V - Magne - - - - - 35mm
RS-stocknr. 179-4743
FabrikantnummerHS5L-VA44M-G
FabrikantIdec
168,01 €
Each
Aantal stuks
M20 Key 1NC/1NO (Door Monitor), 1NC/1NO (Lock Monitor) Metal (Head) 250V 30V 1NC/1NO (Door Monitor), 1NC/1NO (Lock Monitor) - - Spring Lock - HS5L - 127mm
RS-stocknr. 133-0069
FabrikantnummerXCSE73117
382,00 €
Each
Aantal stuks
- - - Zamak 240V 250V 2NC Preventa Yes - - XCS-E - 146mm