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 549-558
Référence fabricantD4NS-8CF
MarqueOmron
24,55 €
Each
Unité
M20 Key 2NC/1NO Plastic 240V 250V 2NC/1NO - - - 4 D4NS - 30mm
N° de stock RS 189-5306
Référence fabricant5018200019
MarqueBernstein AG
139,05 €
Each
Unité
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
N° de stock RS 754-8304
Référence fabricant3SE5212-0RV40
MarqueSiemens
50,67 €
Each
Unité
M20 Key 1NC/1NO Metal 230V 230V 1NC Sirius - - 5 3SE5 1NO 33mm
N° de stock RS 394-7536
Référence fabricant440T-MRPSE100A
201,00 €
Each
Unité
- - 4NO Stainless Steel 1000V - - Prosafe - - 1 440T - 64mm
N° de stock RS 185-7258
Référence fabricantM-TS (D401)
MarqueIDEM
215,44 €
Each
Unité
M6 Screw Key - Die Cast Metal, Stainless Steel - - - - - Interlock 2 M-TS - 109mm
N° de stock RS 698-8729
Référence fabricantEX-AZ 16-03ZVRK-3D
MarqueSchmersal
65,37 €
Each
Unité
Screw Key 3NC/1NO Glass Fibre Reinforced Thermoplastic 230V 24V 3NC - - - 3 EX-AZ16 1NO 30mm
N° de stock RS 397-2166
Référence fabricantXCSA801
87,00 €
Each
Unité
Screw Key 3NC Zamak 240V 250V 3NC Preventa - - 8 XCSA - 44mm
N° de stock RS 189-5305
Référence fabricant6018200018
MarqueBernstein AG
139,05 €
Each
Unité
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
N° de stock RS 185-7246
Référence fabricantM-ISB1-25 (A101)
MarqueIDEM
245,31 €
Each
Unité
M4 Screw Key - Stainless Steel 750V - - - - Interlock - M-ISB1 - 180mm
N° de stock RS 2508383441
Référence fabricantHS5E-A4003
MarqueIdec
142,36 €
Each
Unité
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