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 Price 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
RS庫存編號 263-3624
製造零件編號XCSA702
HK$744.11
單位
Screw Key 2NC/1NO Zamak 240V 250V 2NC/1NO Preventa - - 8 XCSA - 44mm
RS庫存編號 623-2972
製造零件編號AZ15ZVRK-M20-2254
BrandSchmersal
HK$275.06
單位
M20 Key 1NC Glass Fibre Reinforced Thermoplastic 230V 24V 1NC - - - 3 AZ15 - 75mm
RS庫存編號 625-0374
製造零件編號AZ15ZVRK-M20
BrandSchmersal
HK$227.38
單位
M20 Key 1NC Glass Fibre Reinforced Thermoplastic 230V 24V 1NC - - - 3 AZ15 - 75mm
RS庫存編號 153-141
製造零件編號GKNC21
BrandHoneywell
HK$653.33
單位
M20 Key 2NC/1NO Glass Filled PET 600V 250V 2NC/1NO - - - 4 GKN - 33mm
RS庫存編號 826-3915
製造零件編號203007F
BrandIDEM
HK$508.74
單位
M20 Key 3NC/1NO Die Cast Metal 240V - 3NC Kobra Yes - 4 KM 1NO 43.5mm
RS庫存編號 666-4938
製造零件編號XCSA502EX
HK$2,091.09
單位
Screw Key 1NC/2NO Zamak 240V 250V 1NC/2NO Preventa - - 8 XCSA - 44mm
RS庫存編號 826-3892
製造零件編號204026
BrandIDEM
HK$2,627.77
單位
Cable Key 2NC/2NO Stainless Steel 250V 250V 2NC/1NO Kobra - - 8 KM-SS-Ex 1NO 44mm
RS庫存編號 623-2988
製造零件編號AZ16ZVRK-M20
BrandSchmersal
HK$299.79
單位
M20 Key 1NC/1NO Glass Fibre Reinforced Thermoplastic 230V 24V 1NC - - - 3 AZ16 1NO 30mm
RS庫存編號 623-3098
製造零件編號AZ 17-11ZK
BrandSchmersal
HK$338.25
單位
M16 Key 1NC/1NO Glass Fibre Reinforced Thermoplastic 230V 24V 1NC - - - 4 AZ17 1NO 30mm
RS庫存編號 623-3054
製造零件編號AZ16-12ZVRK-M20
BrandSchmersal
HK$356.39
單位
M20 Key 2NC/1NO Glass Fibre Reinforced Thermoplastic 230V 24V 2NC - - - 3 AZ16 1NO 30mm
RS庫存編號 279-6393
製造零件編號XCSTA591
HK$316.08
單位
Screw Key 1NC/2NO Glass Fibre Reinforced PA 240V 250V 1NC/2NO Preventa - - 8 XCSTA - 30mm
RS庫存編號 147-534
製造零件編號GKMD03
BrandHoneywell
HK$864.51
單位
M12 Key 1NC/1NO Glass Filled PET 50V 50V 1NC/1NO - - - 2 GKM - 16mm
RS庫存編號 498-921
製造零件編號3SE5232-0RV40
BrandSiemens
HK$345.17
單位
M20 Key 1NC/1NO Plastic 230V 230V - Sirius - - 5 3SE5 NC/NO 33mm
RS庫存編號 746-7292
製造零件編號D4NS-4AF
BrandOmron
HK$256.52
單位
Screw Key 1NC/1NO Plastic - - - - - - 4 D4NS - 30.6mm
RS庫存編號 189-5315
製造零件編號3911742391
HK$132.02
單位
- - - - - - - - - - - - - 40mm
RS庫存編號 189-5320
製造零件編號6051201009
HK$330.04
單位
Screw - - - - - - - - - - SLC - -
RS庫存編號 666-4956
製造零件編號XCSC702EX
HK$3,251.20
單位
Screw Key 2NC/1NO Zamak 240V 250V 2NC/1NO Preventa - - 8 XCSC - 44mm
RS庫存編號 189-5321
製造零件編號6050101002
HK$1,056.03
單位
- - - - - - - - - - - BF - -
RS庫存編號 744-8673
製造零件編號570230
BrandPilz
HK$400.16
單位
Screw Key 1NC/1NO Glass Fibre Reinforced Thermoplastic 240V - 2NC/1NO PSENmech Yes - 4 - - 33mm
RS庫存編號 623-3076
製造零件編號AZ16-12ZVRK-M20-2254
BrandSchmersal
HK$329.78
單位
M20 Key 2NC/1NO Glass Fibre Reinforced Thermoplastic 230V 24V 2NC - - - 3 AZ16 1NO 30mm