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 Lock Type Actuator Included Housing Material Maximum AC Voltage Safety Contacts Maximum DC Voltage Range IP Rating Number of Head Directions Series Auxiliary Contacts
RS-stocknr. 251-2016
Fabrikantnummer440K-T11118
€ 53,40
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M20 Key 3NC/1NO - Yes Glass Filled PBT 600V 3NC 600V Trojan 6 IP67 4 440K 1NO
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Screw Key 2NC/1NO - - Glass Fibre Reinforced PA 240V 2NC/1NO 250V Preventa IP67 8 XCSTA -
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Cable Key 2NC - - Plastic 240V 1NC 250V - IP67 2 D4GS 1NC
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Screw Key 2NC - Yes Glass Fibre Reinforced Thermoplastic 240V 2NC - PSENmech IP65 4 - -
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FabrikantnummerD4NS1FF
FabrikantOmron
€ 23,54
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PG 13.5 Key 2NC/1NO - No Plastic 240V - 250V - IP67 4 D4NS -
RS-stocknr. 498-915
Fabrikantnummer3SE5112-1QV10
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€ 97,20
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M20 Key 2NC/1NO - - Metal - - 24V Sirius IP66, IP67 5 3SE5 2NC/1NO
RS-stocknr. 498-927
Fabrikantnummer3SE5232-0QV40
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€ 45,00
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M20 Key 2NC/1NO - - Plastic 230V - 230V Sirius IP65 5 3SE5 2NC/1NO
RS-stocknr. 263-3624
FabrikantnummerXCSA702
€ 90,20
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Screw Key 2NC/1NO - - Zamak 240V 2NC/1NO 250V Preventa IP67 8 XCSA -
RS-stocknr. 427-1105
Fabrikantnummer440K-E33080
€ 39,00
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M16 Key 2NC - Yes Glass Filled PBT 600V 2NC 600V Elf IP67 8 440K -
RS-stocknr. 623-3098
FabrikantnummerAZ 17-11ZK
FabrikantSchmersal
€ 28,87
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M16 Key 1NC/1NO - - Glass Fibre Reinforced Thermoplastic 230V 1NC 24V - IP67 4 AZ17 1NO
RS-stocknr. 700-4298
FabrikantnummerXCSA703
€ 93,70
Each
Aantal stuks
Screw Clamp Key NO/2NC - - Zamak 240V NO/2NC 250V Preventa IP67 4 XCSA -
RS-stocknr. 512-5671
Fabrikantnummer440K-C21098
€ 44,70
Each
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M16 Key 2NC/1NO - Yes Glass Filled PBT 600V 2NC 600V Cadet 3 IP67 8 440K 1NO
RS-stocknr. 609-6710
FabrikantnummerXCSB701
€ 115,00
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Screw Key 2NC/1NO - - Zamak 240V 2NC/1NO 250V Preventa IP67 8 XCSB -
RS-stocknr. 754-8300
Fabrikantnummer3SE5212-0QV40
FabrikantSiemens
€ 53,82
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M20 Key 2NC/1NO - - Metal 230V 2NC 230V Sirius IP66, IP67 5 3SE5 1NO
RS-stocknr. 498-911
Fabrikantnummer3SE5112-0QV10
FabrikantSiemens
€ 78,57
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M20 Key 2NC/1NO - - Metal 230V - 230V Sirius IP66, IP67 5 3SE5 2NC/1NO
RS-stocknr. 394-7542
Fabrikantnummer440T-MRPSE100B
€ 201,00
Each
Aantal stuks
- - 4NO - - Stainless Steel - - - Prosafe - 1 440T -
RS-stocknr. 394-7558
Fabrikantnummer440T-MRPSE100C
€ 201,00
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Aantal stuks
- - 4NO - - Stainless Steel - - - Prosafe - 1 440T -
RS-stocknr. 700-4302
FabrikantnummerXCSPA793
€ 43,40
Each
Aantal stuks
Screw Clamp Key 2NC - - Glass Fibre Reinforced PA 240V 2NC 250V Preventa IP67 4 XCSPA -
RS-stocknr. 755-7935
Fabrikantnummer3SE5242-0QV40
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€ 50,58
Each
Aantal stuks
M20 Key 2NC/1NO - - Plastic 230V 2NC 230V Sirius IP66, IP67 5 3SE5 1NO