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. 861-4650
FabrikantnummerD4NS-2CF
FabrikantOmron
25,49 €
Each
Aantal stuks
G1/2 Key 2NC/1NO Plastic 240V 250V - - Yes - 4 D4NS - 96mm
RS-stocknr. 512-5687
Fabrikantnummer440K-C21096
45,10 €
Each
Aantal stuks
M16 Key 2NC Glass Filled PBT 600V 600V 2NC Cadet 3 Yes - 8 440K - 30.4mm
RS-stocknr. 132-9180
FabrikantnummerXCSPA491
44,70 €
Each
Aantal stuks
PG 11 Key 2NC/1NO Polyamide 240V 250V 2NC/1NO Preventa Yes - 8 XCSPA - 94mm
RS-stocknr. 132-9182
FabrikantnummerXCSPA891
FabrikantTelemecanique
46,10 €
Each
Aantal stuks
PG 11 Key 1NC/2NO Glass Fibre Reinforced PA 240V 250V 1NC/2NO Preventa Yes - 8 XCSPA - 94mm
RS-stocknr. 189-5321
Fabrikantnummer6050101002
FabrikantBernstein AG
120,00 €
Each
Aantal stuks
- - - - - - - - - - - BF - -
RS-stocknr. 251-2022
Fabrikantnummer440K-T11123
62,70 €
Each
Aantal stuks
M20 Key 2NC/1NO Glass Filled PBT 240V 24V 2NC Trojan 5 Yes - 4 440K 1NO 52mm
RS-stocknr. 189-5305
Fabrikantnummer6018200018
FabrikantBernstein AG
135,00 €
Each
Aantal stuks
M12 - 1NC (Inter Lock), 2NC (Guard Lock) Glass Fibre Reinforced Thermoplastic 24V 24V 2NC (Guard Lock), NC (Inter Lock) - Yes Guard Lock, Inter Lock - SLC - 44mm
RS-stocknr. 176-0019
Fabrikantnummer2TLA020051R5100
FabrikantABB Jokab
93,20 €
Each
Aantal stuks
M12 - - PBT - 24V - Eden - Interlock - - - 75.2mm
RS-stocknr. 181-1213
Fabrikantnummer106822 | LS-S02-230AMT-ZBZ/X
FabrikantEaton
168,46 €
Each
Aantal stuks
Screw - 2NC Insulated Material 415V 220V 2NC - No Magnet Lock 1 LS ZBZ/X - 30.8mm
RS-stocknr. 189-5322
Fabrikantnummer6051201008
FabrikantBernstein AG
140,00 €
Each
Aantal stuks
- - - - - - - - - - - BF - -
RS-stocknr. 181-1209
Fabrikantnummer106829 & LS-S11-24DFT-ZBZ/X
FabrikantEaton
175,73 €
Each
Aantal stuks
Screw - NO/NC Insulated Material 415V 220V NO/NC - Yes Spring Lock 1 LS ZBZ/X - 30.8mm
RS-stocknr. 666-4940
FabrikantnummerXCSB502EX
254,00 €
Each
Aantal stuks
Screw Key 1NC/2NO Zamak 240V 250V 1NC/2NO Preventa - - 8 XCSB - 44mm
RS-stocknr. 179-4727
FabrikantnummerHS5D-03RNM
FabrikantIdec
43,68 €
Each
Aantal stuks
M20 Handle 3NC Plastic (Head) 250V 30V 3NC - - Interlock - HS5D - 91mm
RS-stocknr. 183-6013
Fabrikantnummer440T-AKEYE100D
34,80 €
Each
Aantal stuks
- Key - - - - - - - - - 440T - -
RS-stocknr. 549-574
FabrikantnummerD4NS-9AF
FabrikantOmron
38,89 €
Each
Aantal stuks
M12 Key 1NC/1NO Plastic 240V 250V 1NC/1NO - - - 4 D4NS - 30mm
RS-stocknr. 394-7479
Fabrikantnummer440T-MSALE100C
219,00 €
Each
Aantal stuks
M5 Key - Stainless Steel - - - Prosafe Yes - 1 440T - 34mm
RS-stocknr. 133-0073
FabrikantnummerXCSDMP70010
80,30 €
Each
Aantal stuks
10m Pre-Cabled - - Plastic - - 3NC/NO Preventa Yes - - XCSDMP - 88mm
RS-stocknr. 263-3602
FabrikantnummerXCSA512
111,00 €
Each
Aantal stuks
Screw Key 1NC/2NO Zamak 240V 250V 1NC/2NO Preventa - - 8 XCSA - 44mm
RS-stocknr. 179-4733
FabrikantnummerHS5D-12RNM
FabrikantIdec
43,68 €
Each
Aantal stuks
M20 Handle 1NO/2NC Plastic (Head) 250V 30V 1NO+2NC - - Interlock - HS5D - 91mm
RS-stocknr. 189-5306
Fabrikantnummer5018200019
FabrikantBernstein AG
135,00 €
Each
Aantal stuks
M12 - NC (Inter Lock), NC/NO (Guard Lock) Glass Fibre Reinforced Thermoplastic 24V 24V NC (Inter Lock), NC/NO (Guard Lock) - Yes Guard Lock, Inter Lock - SLC - 44mm
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