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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Description Prix 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
N° de stock RS 240-8232
Référence fabricantD4BS15FS
MarqueOmron
48,00 €
Each
Unité
PG 13.5 Key 1NC/1NO Plastic 400V - 1NC/1NO - - - 4 D4BS - 43mm
N° de stock RS 826-3921
Référence fabricant200007
MarqueIDEM
38,35 €
Each
Unité
M20 Key 3NC/1NO Polyester 240V - 3NC Kobra - - 4 KP 1NO 34.5mm
N° de stock RS 185-7256
Référence fabricantM-TS (C301)
MarqueIDEM
215,44 €
Each
Unité
M6 Screw Key - Die Cast Metal, Stainless Steel - - - - - Interlock 2 M-TS - 109mm
N° de stock RS 826-3915
Référence fabricant203007F
MarqueIDEM
58,35 €
Each
Unité
M20 Key 3NC/1NO Die Cast Metal 240V - 3NC Kobra Yes - 4 KM 1NO 43.5mm
N° de stock RS 133-0077
Référence fabricantXCSDMP50010
79,20 €
Each
Unité
10m Pre-Cabled - - Plastic - - NC/3NO Preventa Yes - - XCSDMP - 88mm
N° de stock RS 179-4725
Référence fabricantHS1L-R44KMSRM-R
MarqueIdec
288,58 €
Each
Unité
M20 Key 1NC/1NC (Main), 1NO/1NC (Door Monitor), 2NC (Lock Monitor) - 250V 30V 1NC+1NC (Main), 1NO/1NC (Door Monitor), 2NC (Lock Monitor) - - Spring Lock - HS1L - 129mm
N° de stock RS 754-8284
Référence fabricant3SE5122-0QV10
MarqueSiemens
78,66 €
Each
Unité
M20 Key 2NC/1NO Metal 230V 230V 2NC Sirius - - 5 3SE5 1NO 37.8mm
N° de stock RS 189-5315
Référence fabricant3911742391
MarqueBernstein AG
15,45 €
Each
Unité
- - - - - - - - - - - - - 40mm
N° de stock RS 183-6025
Référence fabricant440T-MSALE100D
225,00 €
Each
Unité
Screw Key - Stainless Steel - - - - - Interlock - 440T - 27.4mm
N° de stock RS 623-3032
Référence fabricantAZ16-03ZVRK-M20-2254
MarqueSchmersal
34,10 €
Each
Unité
M20 Key 3NC Glass Fibre Reinforced Thermoplastic 230V 24V 3NC - - - 3 AZ16 - 30mm
N° de stock RS 826-3906
Référence fabricant208007
MarqueIDEM
112,26 €
Each
Unité
M20 Key 3NC/1NO Stainless Steel 240V - 3NC Kobra - - 4 K-SS 1NO 37.5mm
N° de stock RS 133-0086
Référence fabricantXCSA803
93,30 €
Each
Unité
1/2 in NPT Key 3NC Zamak 240V 250V 3NC Preventa Yes - 8 XCSA - 114mm
N° de stock RS 147-499
Référence fabricantGKMC09
MarqueHoneywell
103,29 €
Each
Unité
M12 Key 1NC/1NO Glass Filled PET 50V 50V 1NC/1NO - - - 2 GKM - 16mm
N° de stock RS 394-7463
Référence fabricant440T-MSALE100B
225,00 €
Each
Unité
M5 Key - Stainless Steel - - - Prosafe Yes - 1 440T - 34mm
N° de stock RS 189-5316
Référence fabricant3911742392
MarqueBernstein AG
6,18 €
Each
Unité
- - - - - - - - - - - - - 15mm
N° de stock RS 179-4735
Référence fabricantHS5D-12RNP
MarqueIdec
44,99 €
Each
Unité
PG13.5 Handle 1NO/2NC Plastic (Head) 250V 30V 1NO+2NC - - Interlock - HS5D - 91mm
N° de stock RS 181-1213
Référence fabricant106822 | LS-S02-230AMT-ZBZ/X
MarqueEaton
168,46 €
Each
Unité
Screw - 2NC Insulated Material 415V 220V 2NC - No Magnet Lock 1 LS ZBZ/X - 30.8mm
N° de stock RS 251-2022
Référence fabricant440K-T11123
65,30 €
Each
Unité
M20 Key 2NC/1NO Glass Filled PBT 240V 24V 2NC Trojan 5 Yes - 4 440K 1NO 52mm
N° de stock RS 133-0083
Référence fabricantXCSA802
89,40 €
Each
Unité
M20 Key 3NC Zamak 240V 250V 3NC Preventa Yes - 8 XCSA - 114mm
N° de stock RS 330-0713
Référence fabricant440K-T11205
88,40 €
Each
Unité
M12 Key 2NC/1NO Glass Filled PBT 240V 24V 2NC Trojan 5 Yes - 4 440K 1NO 52mm