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 Actuator Included Housing Material Maximum AC Voltage Safety Contacts Maximum DC Voltage Range Lock Type IP Rating Number of Head Directions Series Auxiliary Contacts
RS-stocknr. 410-7206
FabrikantnummerSKI-U1Z M3
FabrikantBernstein AG
32,20 €
Each
Aantal stuks
Screw Key 1NC/1NO Yes Glass Fibre Reinforced Thermoplastic 240V 1NC/1NO - - - IP65 4 SKI -
RS-stocknr. 436-5569
FabrikantnummerSKI-UV15Z M3
FabrikantBernstein AG
36,03 €
Each
Aantal stuks
Screw Key 1NC/1NO Yes Glass Fibre Reinforced Thermoplastic 240V 1NC/1NO - - - IP65 4 SKI -
RS-stocknr. 410-7212
FabrikantnummerSKT-U1Z M3
FabrikantBernstein AG
30,49 €
Each
Aantal stuks
Screw Key 1NC/1NO Yes Glass Fibre Reinforced Thermoplastic 240V 1NC/1NO 250V - - IP65 4 SKT -
RS-stocknr. 189-5313
Fabrikantnummer6018200017
FabrikantBernstein AG
123,60 €
Each
Aantal stuks
Screw - 2NC (Guard Lock), 2NC (Inter Lock) Yes Glass Fibre Reinforced Thermoplastic 24V 2NC (Guard Lock), 2NC (Inter Lock) 24V - Guard Lock, Inter Lock IP67 - SLC -
RS-stocknr. 189-5314
Fabrikantnummer3911742390
FabrikantBernstein AG
6,18 €
Each
Aantal stuks
M4 Screw - - - - - - - - - - - - -
RS-stocknr. 189-5323
Fabrikantnummer6050100001
FabrikantBernstein AG
123,60 €
Each
Aantal stuks
- - - - - - - - - - - - BF -
RS-stocknr. 189-5315
Fabrikantnummer3911742391
FabrikantBernstein AG
15,45 €
Each
Aantal stuks
- - - - - - - - - - - - - -
RS-stocknr. 189-5316
Fabrikantnummer3911742392
FabrikantBernstein AG
6,18 €
Each
Aantal stuks
- - - - - - - - - - - - - -
RS-stocknr. 189-5317
Fabrikantnummer6051101003
FabrikantBernstein AG
10,30 €
Each
Aantal stuks
- - - - Glass Fibre Reinforced Thermoplastic - - - - - - - - -
RS-stocknr. 136-3173
Fabrikantnummer6016469066
FabrikantBernstein AG
40,41 €
Each
Aantal stuks
Screw Key 2NC Yes PBT 240V - 250V - - IP65 4 SKT -
RS-stocknr. 189-5309
Fabrikantnummer6018200002
FabrikantBernstein AG
123,60 €
Each
Aantal stuks
Screw - NC/NO (Guard Lock), NC/NO (Inter Lock) Yes Glass Fibre Reinforced Thermoplastic 24V NC/NO (Guard Lock), NC/NO (Inter Lock) 24V - Guard Lock, Inter Lock IP67 - SLC -
RS-stocknr. 189-5312
Fabrikantnummer6018200016
FabrikantBernstein AG
123,60 €
Each
Aantal stuks
Screw - NC/NO (Inter Lock), 2NC (Guard Lock) Yes Glass Fibre Reinforced Thermoplastic 24V NC/NO (Inter Lock), 2NC (Guard Lock) 24V - Guard Lock, Inter Lock IP67 - SLC -
RS-stocknr. 189-5322
Fabrikantnummer6051201008
FabrikantBernstein AG
144,20 €
Each
Aantal stuks
- - - - - - - - - - - - BF -
RS-stocknr. 189-5318
Fabrikantnummer6051101004
FabrikantBernstein AG
10,30 €
Each
Aantal stuks
- - - - Glass Fibre Reinforced Thermoplastic - - - - - - - - -
RS-stocknr. 189-5319
Fabrikantnummer6051201005
FabrikantBernstein AG
38,63 €
Each
Aantal stuks
- - - - Aluminium - - - - - - - - -
RS-stocknr. 436-5575
FabrikantnummerSKI-A2Z M3
FabrikantBernstein AG
33,37 €
Each
Aantal stuks
Screw Key 2NC Yes Glass Fibre Reinforced Thermoplastic 240V 2NC - - - IP65 4 SKI -
RS-stocknr. 189-5305
Fabrikantnummer6018200018
FabrikantBernstein AG
139,05 €
Each
Aantal stuks
M12 - 1NC (Inter Lock), 2NC (Guard Lock) Yes Glass Fibre Reinforced Thermoplastic 24V NC (Inter Lock), 2NC (Guard Lock) 24V - Guard Lock, Inter Lock IP67 - SLC -
RS-stocknr. 189-5303
Fabrikantnummer6018200010
FabrikantBernstein AG
123,60 €
Each
Aantal stuks
Screw - 1NC (Inter Lock), 2NC/1NO (Guard Lock) Yes Glass Fibre Reinforced Thermoplastic 24V NC (Inter Lock), 2NC/1NO (Guard Lock) 24V - Guard Lock, Inter Lock IP67 - SLC -
RS-stocknr. 189-5320
Fabrikantnummer6051201009
FabrikantBernstein AG
38,63 €
Each
Aantal stuks
Screw - - - - - - - - - - - SLC -
RS-stocknr. 189-5308
Fabrikantnummer6018200003
FabrikantBernstein AG
123,60 €
Each
Aantal stuks
Screw - NC/NO (Guard Lock), NC/NO (Inter Lock) Yes Glass Fibre Reinforced Thermoplastic 240V NC/NO (Guard Lock), NC/NO (Inter Lock) 24V - Guard Lock, Inter Lock IP67 - SLC -