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. 755-7935
Fabrikantnummer3SE5242-0QV40
FabrikantSiemens
50,58 €
Each
Aantal stuks
M20 Key 2NC/1NO - Plastic 230V 2NC 230V Sirius - IP66, IP67 5 3SE5 1NO
RS-stocknr. 498-921
Fabrikantnummer3SE5232-0RV40
FabrikantSiemens
43,11 €
Each
Aantal stuks
M20 Key 1NC/1NO - Plastic 230V - 230V Sirius - IP65 5 3SE5 NC/NO
RS-stocknr. 754-8293
Fabrikantnummer3SE5112-3QV10
FabrikantSiemens
55,17 €
Each
Aantal stuks
M20 Key 2NC/1NO - Metal 230V 2NC 230V Sirius - IP66, IP67 5 3SE5 1NO
RS-stocknr. 754-8284
Fabrikantnummer3SE5122-0QV10
FabrikantSiemens
78,66 €
Each
Aantal stuks
M20 Key 2NC/1NO - Metal 230V 2NC 230V Sirius - IP66, IP67 5 3SE5 1NO
RS-stocknr. 498-911
Fabrikantnummer3SE5112-0QV10
FabrikantSiemens
78,57 €
Each
Aantal stuks
M20 Key 2NC/1NO - Metal 230V - 230V Sirius - IP66, IP67 5 3SE5 2NC/1NO
RS-stocknr. 754-8316
Fabrikantnummer3SE5212-3RV40
FabrikantSiemens
72,72 €
Each
Aantal stuks
M20 Key 1NC/1NO - Metal 230V 1NC 230V Sirius - IP66, IP67 5 3SE5 1NO
RS-stocknr. 498-915
Fabrikantnummer3SE5112-1QV10
FabrikantSiemens
97,20 €
Each
Aantal stuks
M20 Key 2NC/1NO - Metal - - 24V Sirius - IP66, IP67 5 3SE5 2NC/1NO
RS-stocknr. 498-927
Fabrikantnummer3SE5232-0QV40
FabrikantSiemens
45,00 €
Each
Aantal stuks
M20 Key 2NC/1NO - Plastic 230V - 230V Sirius - IP65 5 3SE5 2NC/1NO
RS-stocknr. 754-8287
Fabrikantnummer3SE5122-3QV10
FabrikantSiemens
99,90 €
Each
Aantal stuks
M20 Key 2NC/1NO - Metal 230V 2NC 230V Sirius - IP66, IP67 5 3SE5 1NO
RS-stocknr. 754-8281
Fabrikantnummer3SE5122-1QV10
FabrikantSiemens
97,20 €
Each
Aantal stuks
M20 Key 2NC/1NO - Metal 230V 1NC 24V Sirius - IP66, IP67 5 3SE5 2NO
RS-stocknr. 755-7948
Fabrikantnummer3SE5234-0QV40-1AE0
FabrikantSiemens
65,43 €
Each
Aantal stuks
M20 Key 2NC - Plastic 230V - 230V Sirius - IP65 5 3SE5 2NC
RS-stocknr. 754-8304
Fabrikantnummer3SE5212-0RV40
FabrikantSiemens
50,67 €
Each
Aantal stuks
M20 Key 1NC/1NO - Metal 230V 1NC 230V Sirius - IP66, IP67 5 3SE5 1NO
RS-stocknr. 754-8300
Fabrikantnummer3SE5212-0QV40
FabrikantSiemens
53,82 €
Each
Aantal stuks
M20 Key 2NC/1NO - Metal 230V 2NC 230V Sirius - IP66, IP67 5 3SE5 1NO