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 Actuator Included Housing Material Maximum AC Voltage Safety Contacts Maximum DC Voltage Range Lock Type IP Rating Number of Head Directions Series Auxiliary Contacts
N° de stock RS 625-0374
Référence fabricantAZ15ZVRK-M20
MarqueSchmersal
27,76 €
Each
Unité
M20 Key 1NC - Glass Fibre Reinforced Thermoplastic 230V 1NC 24V - - IP67 3 AZ15 -
N° de stock RS 410-7212
Référence fabricantSKT-U1Z M3
MarqueBernstein AG
30,49 €
Each
Unité
Screw Key 1NC/1NO Yes Glass Fibre Reinforced Thermoplastic 240V 1NC/1NO 250V - - IP65 4 SKT -
N° de stock RS 489-4887
Référence fabricant440K-E33041
39,00 €
Each
Unité
M16 Key 2NC Yes Glass Filled PBT 600V 2NC 600V Elf - IP67 8 440K -
N° de stock RS 436-5569
Référence fabricantSKI-UV15Z M3
MarqueBernstein AG
36,03 €
Each
Unité
Screw Key 1NC/1NO Yes Glass Fibre Reinforced Thermoplastic 240V 1NC/1NO - - - IP65 4 SKI -
N° de stock RS 623-3054
Référence fabricantAZ16-12ZVRK-M20
MarqueSchmersal
34,10 €
Each
Unité
M20 Key 2NC/1NO - Glass Fibre Reinforced Thermoplastic 230V 2NC 24V - - IP67 3 AZ16 1NO
N° de stock RS 814-7009
Référence fabricantXCSE7333
420,00 €
Each
Unité
Cable Key 2NC/1NO Yes Zamak 240V 1NC/1NO 250V Preventa - IP67 8 XCSE -
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 2NC 24V - - IP67 3 EX-AZ16 1NO
N° de stock RS 263-3595
Référence fabricantXCSA502
89,40 €
Each
Unité
Screw Key 1NC/2NO - Zamak 240V 1NC/2NO 250V Preventa - IP67 8 XCSA -
N° de stock RS 426-4444
Référence fabricant440K-C21097
47,00 €
Each
Unité
M16 Key 3NC Yes Glass Filled PBT 600V 3NC 600V Cadet 3 - IP67 8 440K -
N° de stock RS 814-7006
Référence fabricantXCSE7313
393,00 €
Each
Unité
Cable Key 2NC/1NO Yes Zamak 240V 1NC/1NO 250V Preventa - IP67 8 XCSE -
N° de stock RS 755-7935
Référence fabricant3SE5242-0QV40
MarqueSiemens
50,58 €
Each
Unité
M20 Key 2NC/1NO - Plastic 230V 2NC 230V Sirius - IP66, IP67 5 3SE5 1NO
N° de stock RS 426-4517
Référence fabricant440K-T11305
44,70 €
Each
Unité
M20 Key 1NC/1NO Yes Glass Filled PBT 600V 1NC 600V Trojan T15 - IP67 4 440K 1NO
N° de stock RS 623-3004
Référence fabricantAZ16ZVRK-M20-2254
MarqueSchmersal
29,45 €
Each
Unité
M20 Key 1NC/1NO - Glass Fibre Reinforced Thermoplastic 230V 1NC 24V - - IP67 3 AZ16 1NO
N° de stock RS 623-2988
Référence fabricantAZ16ZVRK-M20
MarqueSchmersal
29,45 €
Each
Unité
M20 Key 1NC/1NO - Glass Fibre Reinforced Thermoplastic 230V 1NC 24V - - IP67 3 AZ16 1NO
N° de stock RS 330-0729
Référence fabricant440K-T11131
99,60 €
Each
Unité
M20 Key 2NC/1NO - Glass Filled PBT 500V 2NC 250V Trojan 5 Interlock IP67 4 440K 1NO
N° de stock RS 873-2247
Référence fabricant440K-C21067
86,00 €
Each
Unité
M12 Key 2NC/1NO Yes Glass Filled PBT 600V 2NC 24V Cadet 3 - IP67 8 440K 1NO
N° de stock RS 814-7071
Référence fabricantXCSTA793
50,70 €
Each
Unité
Cable Key 2NC/1NO Yes Glass Fibre Reinforced PA 240V - 250V Preventa - IP67 8 XCSTA -
N° de stock RS 623-3048
Référence fabricantAZ16-02ZVRK-M20-2254
MarqueSchmersal
29,45 €
Each
Unité
M20 Key 2NC - Glass Fibre Reinforced Thermoplastic 230V 2NC 24V - - IP67 3 AZ16 -
N° de stock RS 623-3098
Référence fabricantAZ 17-11ZK
MarqueSchmersal
31,90 €
Each
Unité
M16 Key 1NC/1NO - Glass Fibre Reinforced Thermoplastic 230V 1NC 24V - - IP67 4 AZ17 1NO
N° de stock RS 394-7542
Référence fabricant440T-MRPSE100B
201,00 €
Each
Unité
- - 4NO - Stainless Steel - - - Prosafe - - 1 440T -