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 153-141
製造零件編號GKNC21
BrandHoneywell
HK$503.76
單位
M20 Key 2NC/1NO Glass Filled PET 600V 250V 2NC/1NO - - - 4 GKN - 33mm
RS庫存編號 337-3812
製造零件編號GKCC1L6
BrandHoneywell
HK$1,533.70
單位
M20 Key 1NC/1NO Glass Filled PET 600V 250V 1NC - Yes - 2 GKC 1NO 42.6mm
RS庫存編號 153-286
製造零件編號GKNC30
BrandHoneywell
HK$464.64
單位
M20 Key 3NC Glass Filled PET 600V 250V 3NC - - - 4 GKN - 33mm
RS庫存編號 147-506
製造零件編號GKMB39
BrandHoneywell
HK$597.38
單位
Cable Key 1NC/1NO Glass Filled PET 50V 50V 1NC/1NO - - - 2 GKM - 16mm
RS庫存編號 147-483
製造零件編號GKMA13
BrandHoneywell
HK$639.21
單位
Cable Key 1NC/1NO Glass Filled PET 50V 50V 1NC/1NO - - - 2 GKM - 16mm
RS庫存編號 153-343
製造零件編號GKEC06L
BrandHoneywell
HK$358.11
單位
M20 Key 2NC Glass Filled PET 600V 250V 2NC - Yes - 2 GKE - 30.5mm
RS庫存編號 147-534
製造零件編號GKMD03
BrandHoneywell
HK$562.49
單位
M12 Key 1NC/1NO Glass Filled PET 50V 50V 1NC/1NO - - - 2 GKM - 16mm
RS庫存編號 147-499
製造零件編號GKMC09
BrandHoneywell
HK$833.66
單位
M12 Key 1NC/1NO Glass Filled PET 50V 50V 1NC/1NO - - - 2 GKM - 16mm
RS庫存編號 147-512
製造零件編號GKMB13
BrandHoneywell
HK$508.54
單位
Cable Key 1NC/1NO Glass Filled PET 50V 50V 1NC/1NO - - - 2 GKM - 16mm
RS庫存編號 337-3799
製造零件編號GKBC1L7
BrandHoneywell
HK$1,030.02
單位
M20 Key 1NC/1NO Glass Filled PET 600V 250V 1NC - Yes - 2 GKB 1NO 42.6mm
RS庫存編號 820-3507
製造零件編號GKMB33
BrandHoneywell
HK$491.07
單位
Cable Key 1NC/1NO Glass Filled PET 240V 250V - - Yes - 2 GKM - 16mm
RS庫存編號 820-3500
製造零件編號GKMA33
BrandHoneywell
HK$603.68
單位
Cable Key 1NC/1NO Glass Filled PET 240V 250V - - Yes - 2 GKM - 16mm
RS庫存編號 153-185
製造零件編號GKEC03L
BrandHoneywell
HK$394.35
單位
M20 Key 1NC/1NO Glass Filled PET 600V 250V 1NC/1NO - - - 2 GKE - 30.5mm
RS庫存編號 843-5690
製造零件編號GKMD06
BrandHoneywell
HK$804.00
/個 (每包:5個)
單位
Cable Key 2NC Glass Filled PET 50V 50V - - Yes - 2 GKM - 16mm
RS庫存編號 820-3519
製造零件編號GKMC03
BrandHoneywell
HK$769.19
單位
M12 Key 1NC/1NO Glass Filled PET 240V 250V - - Yes - 2 GKM - 16mm
RS庫存編號 147-556
製造零件編號GKMB16
BrandHoneywell
HK$508.54
單位
Cable Key 2NC Glass Filled PET 50V 50V 2NC - - - 2 GKM - 16mm