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 179-4748
製造零件編號HS6B-03B05
BrandIdec
HK$455.46
單位
Cable - 3NC - 250V 30V 3NC - - Interlock - HS6B - 87mm
RS庫存編號 820-3519
製造零件編號GKMC03
BrandHoneywell
HK$960.61
單位
M12 Key 1NC/1NO Glass Filled PET 240V 250V - - Yes - 2 GKM - 16mm
RS庫存編號 130-0881
製造零件編號XY2CE4A010
HK$1,442.40
單位
- - NC, NO Stainless Steel (Cover), Zamak (Body) 240V 250V - Preventa XY2 - - - XY2CE - 142mm
RS庫存編號 189-5315
製造零件編號3911742391
HK$158.85
單位
- - - - - - - - - - - - - 40mm
RS庫存編號 609-6754
製造零件編號XCSPA691
HK$309.73
單位
Screw Key 1NC/1NO Glass Fibre Reinforced PA 240V 250V 1NC/1NO Preventa - - 8 XCSPA - 30mm
RS庫存編號 498-927
製造零件編號3SE5232-0QV40
BrandSiemens
HK$360.00
單位
M20 Key 2NC/1NO Plastic 230V 230V - Sirius - - 5 3SE5 2NC/1NO 33mm
RS庫存編號 700-4298
製造零件編號XCSA703
HK$1,837.87
單位
Screw Clamp Key NO/2NC Zamak 240V 250V NO/2NC Preventa - - 4 XCSA - 44mm
RS庫存編號 179-4751
製造零件編號HS6E-L7Y4B05-G
BrandIdec
HK$1,592.44
單位
Cable Key 1NC/1NC (Main), 1NO (Lock Monitor), 2NC (Door Monitor) - 250V 30V 1NC+1NC (Main), 1NO (Lock Monitor), 2NC (Door Monitor) - - Solenoid Lock - HS6E - 75mm
RS庫存編號 843-5690
製造零件編號GKMD06
BrandHoneywell
HK$777.32
/個 (每包:5個)
單位
Cable Key 2NC Glass Filled PET 50V 50V - - Yes - 2 GKM - 16mm
RS庫存編號 136-3173
製造零件編號6016469066
HK$346.78
單位
Screw Key 2NC PBT 240V 250V - - Yes - 4 SKT - 83mm
RS庫存編號 179-4755
製造零件編號HS6E-N7Y4B05-G
BrandIdec
HK$1,592.44
單位
Cable Key NC/NC (Main), NC/NO (Door Monitor), NO (Lock Monitor) Plastic 250V 30V 1NC+1NC (Main), 1NC/1NO (Door Monitor), 1NO (Lock Monitor) - Yes Solenoid Lock - HS6E - 75mm
RS庫存編號 189-5303
製造零件編號6018200010
HK$1,270.79
單位
Screw - 1NC (Inter Lock), 2NC/1NO (Guard Lock) Glass Fibre Reinforced Thermoplastic 24V 24V NC (Inter Lock), 2NC/1NO (Guard Lock) - Yes Guard Lock, Inter Lock - SLC - 44mm
RS庫存編號 185-7262
製造零件編號M-BS (A101)
BrandIDEM
HK$1,475.84
單位
M6 Screw Key - Die Cast Metal, Stainless Steel - - - - Yes Interlock - M-BS - 109mm
RS庫存編號 179-4752
製造零件編號HS6E-M44B05-G
BrandIdec
HK$1,631.89
單位
Cable Key 1NC (Lock Monitor), 1NC/1NC (Main), 2NC (Door Monitor) - 250V 30V 1NC (Lock Monitor), 1NC+1NC (Main), 2NC (Door Monitor) - - Spring Lock - HS6E - 75mm
RS庫存編號 814-7006
製造零件編號XCSE7313
HK$4,944.06
單位
Cable Key 2NC/1NO Zamak 240V 250V 1NC/1NO Preventa Yes - 8 XCSE - 44mm
RS庫存編號 176-0045
製造零件編號2TLA042022R3400
BrandABB Jokab
HK$2,595.51
單位
Male M12 - - Anodized Aluminum, Polycarbonate - 24V - Magne - - - - - 35mm
RS庫存編號 189-5311
製造零件編號6018200015
HK$1,270.79
單位
Screw - NC/NO (Guard Lock), 2NC (Inter Lock) Glass Fibre Reinforced Thermoplastic 24V 24V NC/NO (Guard Lock), 2NC (Inter Lock) - Yes Guard Lock, Inter Lock - SLC - 44mm
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 185-7249
製造零件編號M-TD-11 (A101, B202)
BrandIDEM
HK$3,240.42
單位
M6 Screw Key - Die Cast Metal, Stainless Steel - - - - - Interlock 2 M-TD - 109mm
RS庫存編號 147-499
製造零件編號GKMC09
BrandHoneywell
HK$1,043.53
單位
M12 Key 1NC/1NO Glass Filled PET 50V 50V 1NC/1NO - - - 2 GKM - 16mm