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 147-534
Référence fabricantGKMD03
MarqueHoneywell
85,57 €
Each
Unité
M12 Key 1NC/1NO Glass Filled PET 50V 50V 1NC/1NO - - - 2 GKM - 16mm
N° de stock RS 394-7564
Référence fabricant440T-MSBLE100A
211,00 €
Each
Unité
M5 Key - Stainless Steel - - - Prosafe Yes - 1 440T - 34mm
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 147-512
Référence fabricantGKMB13
MarqueHoneywell
67,23 €
Each
Unité
Cable Key 1NC/1NO Glass Filled PET 50V 50V 1NC/1NO - - - 2 GKM - 16mm
N° de stock RS 179-4750
Référence fabricantHS6E-L44B05-G
MarqueIdec
303,18 €
Each
Unité
Cable Key 1NC/1NC (Main), 1NO (Lock Monitor), 2NC (Door Monitor) - 250V 30V 1NC+1NC (Main), 1NO (Lock Monitor), 2NC (Door Monitor) - - Spring Lock - HS6E - 75mm
N° de stock RS 183-6014
Référence fabricant440T-MDALE100B0C
477,00 €
Each
Unité
Screw Key - Stainless Steel - - - - Yes Interlock - 440T - 27.4mm
N° de stock RS 751-0939
Référence fabricant440K-T11468
66,90 €
Each
Unité
M20 Key 2NC/1NO Glass Filled PBT 240V 24V 2NC Trojan 5 Yes - 4 440K 1NO 52mm
N° de stock RS 189-5316
Référence fabricant3911742392
MarqueBernstein AG
6,18 €
Each
Unité
- - - - - - - - - - - - - 15mm
N° de stock RS 147-556
Référence fabricantGKMB16
MarqueHoneywell
65,31 €
Each
Unité
Cable Key 2NC Glass Filled PET 50V 50V 2NC - - - 2 GKM - 16mm
N° de stock RS 132-9177
Référence fabricantXCSPA991
46,10 €
Each
Unité
PG 11 Key 2NC/1NO Glass Fibre Reinforced PA 240V 250V 2NC/1NO Preventa Yes - 8 XCSPA - 94mm
N° de stock RS 179-4752
Référence fabricantHS6E-M44B05-G
MarqueIdec
303,18 €
Each
Unité
Cable Key 1NC (Lock Monitor), 1NC/1NC (Main), 2NC (Door Monitor) - 250V 30V 1NC (Lock Monitor), 1NC+1NC (Main), 2NC (Door Monitor) - - Spring Lock - HS6E - 75mm
N° de stock RS 754-8300
Référence fabricant3SE5212-0QV40
MarqueSiemens
53,82 €
Each
Unité
M20 Key 2NC/1NO Metal 230V 230V 2NC Sirius - - 5 3SE5 1NO 33mm
N° de stock RS 179-4741
Référence fabricantHS5L-DD44M-G
MarqueIdec
168,22 €
Each
Unité
M20 Key 1NC/1NC Metal (Head) 250V 30V 1NC+1NC - - Spring Lock - HS5L - 127mm
N° de stock RS 132-9182
Référence fabricantXCSPA891
46,10 €
Each
Unité
PG 11 Key 1NC/2NO Glass Fibre Reinforced PA 240V 250V 1NC/2NO Preventa Yes - 8 XCSPA - 94mm
N° de stock RS 826-3868
Référence fabricant222002
MarqueIDEM
65,00 €
Each
Unité
M12 Key 2NC Glass Fibre Polyester - - 2NC Kobra - - 8 INCH-1 - 29.5mm
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 151-2539
Référence fabricant440T-MSALE100I
225,50 €
Each
Unité
- - - - - - - - - - - - - -
N° de stock RS 841-1688
Référence fabricantD4GSN1R5
MarqueOmron
71,14 €
Each
Unité
Cable Key 1NC/1NO Plastic 240V 250V 1NC - - - 1 D4GS 1NO 85mm
N° de stock RS 132-9180
Référence fabricantXCSPA491
44,70 €
Each
Unité
PG 11 Key 2NC/1NO Polyamide 240V 250V 2NC/1NO Preventa Yes - 8 XCSPA - 94mm
N° de stock RS 189-5320
Référence fabricant6051201009
MarqueBernstein AG
38,63 €
Each
Unité
Screw - - - - - - - - - - SLC - -