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 153-185
製造零件編號GKEC03L
BrandHoneywell
HK$434.70
單位
M20 Key 1NC/1NO Glass Filled PET 600V 250V 1NC/1NO - - - 2 GKE - 30.5mm
RS庫存編號 279-6400
製造零件編號XCSTA791
HK$977.55
單位
Screw Key 2NC/1NO Glass Fibre Reinforced PA 240V 250V 2NC/1NO Preventa - - 8 XCSTA - 30mm
全新
RS庫存編號 213-1658
製造零件編號HS1T-VC44ZSM-G
BrandIdec
HK$2,663.88
單位
- - 1NC, 1NO - 250V - - - - Type 2 - HS1T - -
RS庫存編號 698-8729
製造零件編號EX-AZ 16-03ZVRK-3D
BrandSchmersal
HK$632.29
單位
Screw Key 3NC/1NO Glass Fibre Reinforced Thermoplastic 230V 24V 3NC - - - 3 EX-AZ16 1NO 30mm
RS庫存編號 132-9178
製造零件編號XCSPA992
HK$388.11
單位
M16 Key 2NC/1NO Glass Fibre Reinforced PA 240V 250V 2NC/1NO Preventa Yes - 8 XCSPA - 94mm
RS庫存編號 179-4730
製造零件編號HS5D-03ZRNM
BrandIdec
HK$292.66
單位
M20 Handle 3NC Metal (Head) 250V 30V 3NC - - Interlock - HS5D - 91mm
RS庫存編號 189-5314
製造零件編號3911742390
HK$63.54
單位
M4 Screw - - - - - - - - - - - - 9mm
RS庫存編號 623-3032
製造零件編號AZ16-03ZVRK-M20-2254
BrandSchmersal
HK$341.75
單位
M20 Key 3NC Glass Fibre Reinforced Thermoplastic 230V 24V 3NC - - - 3 AZ16 - 30mm
RS庫存編號 742-0748
製造零件編號AZ 3350-12ZUEK
BrandSchmersal
HK$775.58
單位
Screw Key 2NC/1NO Aluminium 230V 24V 2NC - Yes - 4 AZ3350 1NO 38mm
RS庫存編號 133-0077
製造零件編號XCSDMP50010
HK$716.05
單位
10m Pre-Cabled - - Plastic - - NC/3NO Preventa Yes - - XCSDMP - 88mm
RS庫存編號 625-0504
製造零件編號AZ 17-02ZRK
BrandSchmersal
HK$344.91
單位
M16 Key 2NC Glass Fibre Reinforced Thermoplastic 230V 24V 2NC - - - 4 AZ17 - 30mm
RS庫存編號 132-9171
製造零件編號XCSTA892
HK$393.15
單位
M16 Key 3NC Glass Fibre Reinforced PA 240V 250V 3NC Preventa Yes - 8 XCSTA - 115mm
RS庫存編號 549-558
製造零件編號D4NS-8CF
BrandOmron
HK$730.08
單位
M20 Key 2NC/1NO Plastic 240V 250V 2NC/1NO - - - 4 D4NS - 30mm
RS庫存編號 623-3060
製造零件編號AZ16-03ZVRK-M20
BrandSchmersal
HK$336.22
單位
M20 Key 3NC Glass Fibre Reinforced Thermoplastic 230V 24V 3NC - - - 3 AZ16 - 30mm
RS庫存編號 549-552
製造零件編號D4NS-4DF
BrandOmron
HK$481.42
單位
M20 Key 3NC Plastic 240V 250V 3NC - - - 4 D4NS - 30mm