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. 178-181
Fabrikantnummer440K-T11090
€ 49,60
Each
Aantal stuks
M20 Key 2NC/1NO Glass Filled PBT 240V 24V 2NC Trojan 5 Yes - 4 440K 1NO 52mm
RS-stocknr. 351-3975
Fabrikantnummer440K-T11147
€ 54,40
Each
Aantal stuks
M20 Key 2NC/1NO Glass Filled PBT 240V 24V 2NC Trojan 5 - - 4 440K 1NO 52mm
RS-stocknr. 549-552
FabrikantnummerD4NS-4DF
FabrikantOmron
€ 23,19
Each
Aantal stuks
M20 Key 3NC Plastic 240V 250V 3NC - - - 4 D4NS - 30mm
RS-stocknr. 483-3567
Fabrikantnummer440K-E33040
€ 36,00
Each
Aantal stuks
M16 Key 1NC/1NO Glass Filled PBT 600V 600V 1NC Elf Yes - 8 440K 1NO 29mm
RS-stocknr. 698-8723
FabrikantnummerEX-AZ 16-12ZVRK-3D
FabrikantSchmersal
€ 48,86
Each
Aantal stuks
Screw Key 2NC/1NO Glass Fibre Reinforced Thermoplastic 230V 24V 2NC - - - 3 EX-AZ16 1NO 30mm
RS-stocknr. 744-8660
Fabrikantnummer570220
FabrikantPilz
€ 29,82
Each
Aantal stuks
Screw Key 2NC Glass Fibre Reinforced Thermoplastic 240V - 2NC PSENmech Yes - 4 - - 33mm
RS-stocknr. 252-3864
FabrikantnummerXCSPA591
€ 38,70
Each
Aantal stuks
- Key 1NC/1NO Polyamide 240V 250V - Preventa - - 8 XCSPA - 30mm
RS-stocknr. 427-1127
Fabrikantnummer440K-C21061
€ 42,70
Each
Aantal stuks
M16 Key 2NC/1NO Glass Filled PBT 600V 600V 2NC Cadet 3 Yes - 8 440K 1NO 30.4mm
RS-stocknr. 625-0374
FabrikantnummerAZ15ZVRK-M20
FabrikantSchmersal
€ 23,98
Each
Aantal stuks
M20 Key 1NC Glass Fibre Reinforced Thermoplastic 230V 24V 1NC - - - 3 AZ15 - 75mm
RS-stocknr. 623-3054
FabrikantnummerAZ16-12ZVRK-M20
FabrikantSchmersal
€ 30,30
Each
Aantal stuks
M20 Key 2NC/1NO Glass Fibre Reinforced Thermoplastic 230V 24V 2NC - - - 3 AZ16 1NO 30mm
RS-stocknr. 757-9231
FabrikantnummerD4NS-1BF
FabrikantOmron
€ 22,66
Each
Aantal stuks
Screw Key 2NC Plastic 240V 250V - - - - 4 D4NS - 30mm
RS-stocknr. 744-8673
Fabrikantnummer570230
FabrikantPilz
€ 30,97
Each
Aantal stuks
Screw Key 1NC/1NO Glass Fibre Reinforced Thermoplastic 240V - 2NC/1NO PSENmech Yes - 4 - - 33mm
RS-stocknr. 814-7006
FabrikantnummerXCSE7313
€ 374,00
Each
Aantal stuks
Cable Key 2NC/1NO Zamak 240V 250V 1NC/1NO Preventa Yes - 8 XCSE - 44mm
RS-stocknr. 746-7292
FabrikantnummerD4NS-4AF
FabrikantOmron
€ 22,66
Each
Aantal stuks
Screw Key 1NC/1NO Plastic - - - - - - 4 D4NS - 30.6mm
RS-stocknr. 362-2782
FabrikantnummerAZ16-12ZI-B1-M20
FabrikantSchmersal
€ 46,57
Each
Aantal stuks
M20 Key 2NC/1NO Glass Fibre Reinforced Thermoplastic 230V 24V 2NC - Yes - 3 AZ16 1NO 30mm
RS-stocknr. 820-3507
FabrikantnummerGKMB33
FabrikantHoneywell
€ 56,48
Each
Aantal stuks
Cable Key 1NC/1NO Glass Filled PET 240V 250V - - Yes - 2 GKM - 16mm
RS-stocknr. 623-2972
FabrikantnummerAZ15ZVRK-M20-2254
FabrikantSchmersal
€ 24,17
Each
Aantal stuks
M20 Key 1NC Glass Fibre Reinforced Thermoplastic 230V 24V 1NC - - - 3 AZ15 - 75mm
RS-stocknr. 826-3921
Fabrikantnummer200007
FabrikantIDEM
€ 37,10
Each
Aantal stuks
M20 Key 3NC/1NO Polyester 240V - 3NC Kobra - - 4 KP 1NO 34.5mm
RS-stocknr. 489-4887
Fabrikantnummer440K-E33041
€ 36,00
Each
Aantal stuks
M16 Key 2NC Glass Filled PBT 600V 600V 2NC Elf Yes - 8 440K - 29mm
RS-stocknr. 623-2988
FabrikantnummerAZ16ZVRK-M20
FabrikantSchmersal
€ 25,81
Each
Aantal stuks
M20 Key 1NC/1NO Glass Fibre Reinforced Thermoplastic 230V 24V 1NC - - - 3 AZ16 1NO 30mm
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