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 185-7255
製造零件編號M-HS (B201)
BrandIDEM
HK$1,626.66
單位
M6 Screw Key - Die Cast Metal, Stainless Steel - - - - Yes Interlock - M-HS - 109mm
RS庫存編號 826-3868
製造零件編號222002
BrandIDEM
HK$542.26
單位
M12 Key 2NC Glass Fibre Polyester - - 2NC Kobra - - 8 INCH-1 - 29.5mm
RS庫存編號 179-4731
製造零件編號HS5D-03ZRNP
BrandIdec
HK$292.66
單位
PG13.5 Handle 3NC Metal (Head) 250V 30V 3NC - - Interlock - HS5D - 91mm
RS庫存編號 176-0019
製造零件編號2TLA020051R5100
BrandABB Jokab
HK$733.45
單位
M12 - - PBT - 24V - Eden - Interlock - - - 75.2mm
RS庫存編號 820-3500
製造零件編號GKMA33
BrandHoneywell
HK$761.92
單位
Cable Key 1NC/1NO Glass Filled PET 240V 250V - - Yes - 2 GKM - 16mm
RS庫存編號 181-1210
製造零件編號106821 & LS-S02-230AFT-ZBZ/X
BrandEaton
HK$2,315.39
單位
Screw - 2NC Insulated Material 415V 220V 2NC - No Spring Lock 1 LS ZBZ/X - 30.8mm
RS庫存編號 189-5302
製造零件編號6018200009
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 185-7256
製造零件編號M-TS (C301)
BrandIDEM
HK$1,808.63
單位
M6 Screw Key - Die Cast Metal, Stainless Steel - - - - - Interlock 2 M-TS - 109mm
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 179-4753
製造零件編號HS6E-M7Y4B05-G
BrandIdec
HK$1,592.44
單位
Cable Key 1NC (Lock Monitor), 1NC/1NC (Main), 2NC (Door Monitor) - 250V 30V 1NC (Lock Monitor), 1NC+1NC (Main), 2NC (Door Monitor) - - Solenoid Lock - HS6E - 75mm
RS庫存編號 189-5321
製造零件編號6050101002
HK$1,270.79
單位
- - - - - - - - - - - BF - -
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 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 179-4739
製造零件編號HS5L-DD44LM-G
BrandIdec
HK$1,129.28
單位
M20 Key 1NC/1NC Metal (Head) 250V 30V 1NC+1NC - - Spring Lock - HS5L - 127mm
RS庫存編號 198-734
製造零件編號XCSTA891
HK$332.66
單位
Screw Key 3NC Glass Fibre Reinforced PA 240V 250V 3NC Preventa - - 8 XCSTA - 30mm
RS庫存編號 240-8232
製造零件編號D4BS15FS
BrandOmron
HK$736.94
單位
PG 13.5 Key 1NC/1NO Plastic 400V - 1NC/1NO - - - 4 D4BS - 43mm
全新
RS庫存編號 213-1655
製造零件編號HS1T-DD44ZLM-G
BrandIdec
HK$2,917.61
單位
- - 2NC - 250V - - - - Type 2 - HS1T - -
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 176-0044
製造零件編號2TLA042022R4600
BrandABB Jokab
HK$2,591.30
單位
Male M12 - - Anodized Aluminum, Polycarbonate - 24V - Magne - - - - - 35mm
RS庫存編號 744-8664
製造零件編號570222
BrandPilz
HK$535.31
單位
Screw Key 2NC Glass Fibre Reinforced Thermoplastic 240V - 2NC PSENmech Yes - 4 - - 33mm