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 436-5569
Référence fabricantSKI-UV15Z M3
MarqueBernstein AG
36,03 €
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Unité
Screw Key 1NC/1NO Glass Fibre Reinforced Thermoplastic 240V - 1NC/1NO - Yes - 4 SKI - 30.5mm
N° de stock RS 623-3054
Référence fabricantAZ16-12ZVRK-M20
MarqueSchmersal
34,10 €
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M20 Key 2NC/1NO Glass Fibre Reinforced Thermoplastic 230V 24V 2NC - - - 3 AZ16 1NO 30mm
N° de stock RS 489-4887
Référence fabricant440K-E33041
39,00 €
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Unité
M16 Key 2NC Glass Filled PBT 600V 600V 2NC Elf Yes - 8 440K - 29mm
N° de stock RS 410-7212
Référence fabricantSKT-U1Z M3
MarqueBernstein AG
30,49 €
Each
Unité
Screw Key 1NC/1NO Glass Fibre Reinforced Thermoplastic 240V 250V 1NC/1NO - Yes - 4 SKT - 27mm
N° de stock RS 625-0374
Référence fabricantAZ15ZVRK-M20
MarqueSchmersal
27,76 €
Each
Unité
M20 Key 1NC Glass Fibre Reinforced Thermoplastic 230V 24V 1NC - - - 3 AZ15 - 75mm
N° de stock RS 814-7006
Référence fabricantXCSE7313
393,00 €
Each
Unité
Cable Key 2NC/1NO Zamak 240V 250V 1NC/1NO Preventa Yes - 8 XCSE - 44mm
N° de stock RS 755-7935
Référence fabricant3SE5242-0QV40
MarqueSiemens
50,58 €
Each
Unité
M20 Key 2NC/1NO Plastic 230V 230V 2NC Sirius - - 5 3SE5 1NO 33mm
N° de stock RS 623-3004
Référence fabricantAZ16ZVRK-M20-2254
MarqueSchmersal
29,45 €
Each
Unité
M20 Key 1NC/1NO Glass Fibre Reinforced Thermoplastic 230V 24V 1NC - - - 3 AZ16 1NO 30mm
N° de stock RS 623-2988
Référence fabricantAZ16ZVRK-M20
MarqueSchmersal
29,45 €
Each
Unité
M20 Key 1NC/1NO Glass Fibre Reinforced Thermoplastic 230V 24V 1NC - - - 3 AZ16 1NO 30mm
N° de stock RS 263-3595
Référence fabricantXCSA502
89,40 €
Each
Unité
Screw Key 1NC/2NO Zamak 240V 250V 1NC/2NO Preventa - - 8 XCSA - 44mm
N° de stock RS 814-7009
Référence fabricantXCSE7333
420,00 €
Each
Unité
Cable Key 2NC/1NO Zamak 240V 250V 1NC/1NO Preventa Yes - 8 XCSE - 44mm
N° de stock RS 698-8723
Référence fabricantEX-AZ16-12ZVRK-M20-3D
MarqueSchmersal
65,37 €
Each
Unité
Screw Key 2NC/1NO Glass Fibre Reinforced Thermoplastic 230V 24V 2NC - - - 3 EX-AZ16 1NO 30mm
N° de stock RS 426-4444
Référence fabricant440K-C21097
47,00 €
Each
Unité
M16 Key 3NC Glass Filled PBT 600V 600V 3NC Cadet 3 Yes - 8 440K - 30.4mm
N° de stock RS 426-4517
Référence fabricant440K-T11305
44,70 €
Each
Unité
M20 Key 1NC/1NO Glass Filled PBT 600V 600V 1NC Trojan T15 Yes - 4 440K 1NO 52mm
N° de stock RS 330-0729
Référence fabricant440K-T11131
99,60 €
Each
Unité
M20 Key 2NC/1NO Glass Filled PBT 500V 250V 2NC Trojan 5 - - 4 440K 1NO 95mm
N° de stock RS 284-0771
Référence fabricantXCSTA792
46,60 €
Each
Unité
Screw Key 2NC/1NO Glass Fibre Reinforced PA 240V 250V 2NC/1NO Preventa - - 8 XCSTA - 30mm
N° de stock RS 512-5687
Référence fabricant440K-C21096
47,00 €
Each
Unité
M16 Key 2NC Glass Filled PBT 600V 600V 2NC Cadet 3 Yes - 8 440K - 30.4mm
N° de stock RS 301-9956
Référence fabricantXCSTA592
46,60 €
Each
Unité
Screw Key 1NC/2NO Glass Fibre Reinforced PA 240V 250V 1NC/2NO Preventa - - 8 XCSTA - 30mm
N° de stock RS 873-2247
Référence fabricant440K-C21067
86,00 €
Each
Unité
M12 Key 2NC/1NO Glass Filled PBT 600V 24V 2NC Cadet 3 Yes - 8 440K 1NO 30.4mm
N° de stock RS 147-483
Référence fabricantGKMA13
MarqueHoneywell
72,23 €
Each
Unité
Cable Key 1NC/1NO Glass Filled PET 50V 50V 1NC/1NO - - - 2 GKM - 16mm