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 Hazardous Area Certification Number of Head Directions Series
RS-stocknr. 698-8723
FabrikantnummerEX-AZ16-12ZVRK-M20-3D
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€ 50,33
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Screw Key 2NC/1NO - - Glass Fibre Reinforced Thermoplastic 230V 2NC 24V - IP67 ATEX 3 EX-AZ16
RS-stocknr. 625-0374
FabrikantnummerAZ15ZVRK-M20
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€ 24,70
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M20 Key 1NC - - Glass Fibre Reinforced Thermoplastic 230V 1NC 24V - IP67 - 3 AZ15
RS-stocknr. 623-3054
FabrikantnummerAZ16-12ZVRK-M20
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€ 31,21
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M20 Key 2NC/1NO - - Glass Fibre Reinforced Thermoplastic 230V 2NC 24V - IP67 - 3 AZ16
RS-stocknr. 623-2988
FabrikantnummerAZ16ZVRK-M20
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€ 26,58
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M20 Key 1NC/1NO - - Glass Fibre Reinforced Thermoplastic 230V 1NC 24V - IP67 - 3 AZ16
RS-stocknr. 623-2972
FabrikantnummerAZ15ZVRK-M20-2254
FabrikantSchmersal
€ 24,90
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M20 Key 1NC - - Glass Fibre Reinforced Thermoplastic 230V 1NC 24V - IP67 - 3 AZ15
RS-stocknr. 362-2782
FabrikantnummerAZ16-12ZI-B1-M20
FabrikantSchmersal
€ 47,97
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M20 Key 2NC/1NO - Yes Glass Fibre Reinforced Thermoplastic 230V 2NC 24V - IP67 - 3 AZ16
RS-stocknr. 742-0748
FabrikantnummerAZ 3350-12ZUEK
FabrikantSchmersal
€ 67,33
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Screw Key 2NC/1NO - Yes Aluminium 230V 2NC 24V - IP67 - 4 AZ3350
RS-stocknr. 623-3105
FabrikantnummerAZ 17-02ZK
FabrikantSchmersal
€ 28,87
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Aantal stuks
M16 Key 2NC - - Glass Fibre Reinforced Thermoplastic 230V 2NC 24V - IP67 - 4 AZ17
RS-stocknr. 623-3032
FabrikantnummerAZ16-03ZVRK-M20-2254
FabrikantSchmersal
€ 31,21
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M20 Key 3NC - - Glass Fibre Reinforced Thermoplastic 230V 3NC 24V - IP67 - 3 AZ16
RS-stocknr. 698-8729
FabrikantnummerEX-AZ 16-03ZVRK-3D
FabrikantSchmersal
€ 50,33
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Aantal stuks
Screw Key 3NC/1NO - - Glass Fibre Reinforced Thermoplastic 230V 3NC 24V - IP67 ATEX 3 EX-AZ16
RS-stocknr. 625-0330
FabrikantnummerAZ16-02ZVRK-M20
FabrikantSchmersal
€ 26,58
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M20 Key 2NC - - Glass Fibre Reinforced Thermoplastic 230V 2NC 24V - IP67 - 3 AZ16
RS-stocknr. 623-3076
FabrikantnummerAZ16-12ZVRK-M20-2254
FabrikantSchmersal
€ 31,21
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Aantal stuks
M20 Key 2NC/1NO - - Glass Fibre Reinforced Thermoplastic 230V 2NC 24V - IP67 - 3 AZ16
RS-stocknr. 623-3098
FabrikantnummerAZ 17-11ZK
FabrikantSchmersal
€ 28,87
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Aantal stuks
M16 Key 1NC/1NO - - Glass Fibre Reinforced Thermoplastic 230V 1NC 24V - IP67 - 4 AZ17
RS-stocknr. 625-0504
FabrikantnummerAZ 17-02ZRK
FabrikantSchmersal
€ 28,87
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M16 Key 2NC - - Glass Fibre Reinforced Thermoplastic 230V 2NC 24V - IP67 - 4 AZ17
RS-stocknr. 623-3060
FabrikantnummerAZ16-03ZVRK-M20
FabrikantSchmersal
€ 31,21
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Aantal stuks
M20 Key 3NC - - Glass Fibre Reinforced Thermoplastic 230V 3NC 24V - IP67 - 3 AZ16
RS-stocknr. 623-3004
FabrikantnummerAZ16ZVRK-M20-2254
FabrikantSchmersal
€ 26,58
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M20 Key 1NC/1NO - - Glass Fibre Reinforced Thermoplastic 230V 1NC 24V - IP67 - 3 AZ16
RS-stocknr. 724-3695
FabrikantnummerAZ 3350-12ZUEK-U90
FabrikantSchmersal
€ 67,33
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Aantal stuks
Screw Key 2NC/1NO - Yes Aluminium 230V 2NC 24V - IP67 - 4 AZ3350
RS-stocknr. 211-1499
FabrikantnummerAZ 17-11ZI-B5
FabrikantSchmersal
€ 45,02
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Aantal stuks
M16 Key 1NC/1NO - - Glass Fibre Reinforced Thermoplastic 230V 1NC 24V - IP67 - 4 AZ17
RS-stocknr. 623-3082
FabrikantnummerAZ 17-11ZRK
FabrikantSchmersal
€ 28,87
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Aantal stuks
M16 Key 1NC/1NO - - Glass Fibre Reinforced Thermoplastic 230V 1NC 24V - IP67 - 4 AZ17
RS-stocknr. 623-3048
FabrikantnummerAZ16-02ZVRK-M20-2254
FabrikantSchmersal
€ 26,58
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M20 Key 2NC - - Glass Fibre Reinforced Thermoplastic 230V 2NC 24V - IP67 - 3 AZ16