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 179-4747
製造零件編號HS5L-VC7Y4M-G
BrandIdec
HK$895.60
單位
M20 Key 1NC/1NO (Lock Monitor), 2NC (Door Monitor) Metal (Head) 250V 30V 1NC/1NO (Lock Monitor), 2NC (Door Monitor) - - Solenoid Lock - HS5L - 127mm
全新
RS庫存編號 189-5305
製造零件編號6018200018
HK$1,188.04
單位
M12 - 1NC (Inter Lock), 2NC (Guard Lock) Glass Fibre Reinforced Thermoplastic 24V 24V NC (Inter Lock), 2NC (Guard Lock) - Yes Guard Lock, Inter Lock - SLC - 44mm
RS庫存編號 826-3864
製造零件編號222001
BrandIDEM
HK$265.41
單位
M16 Key 2NC Glass Fibre Polyester - - 2NC Kobra - - 8 INCH-1 - 29.5mm
RS庫存編號 724-3695
製造零件編號AZ 3350-12ZUEK-U90
BrandSchmersal
HK$790.73
單位
Screw Key 2NC/1NO Aluminium 230V 24V 2NC - Yes - 4 AZ3350 1NO 38mm
RS庫存編號 176-0046
製造零件編號2TLA042022R2700
BrandABB Jokab
HK$1,557.10
單位
Male M12 - - Anodized Aluminum, Polycarbonate - 24V - Magne - - - - - 35
RS庫存編號 814-6999
製造零件編號XCSB703
HK$1,612.52
單位
Cable Key 2NC/1NO Zamak 240V 250V - Preventa Yes - 8 XCSB - 44mm
RS庫存編號 623-3004
製造零件編號AZ16ZVRK-M20-2254
BrandSchmersal
HK$277.10
單位
M20 Key 1NC/1NO Glass Fibre Reinforced Thermoplastic 230V 24V 1NC - - - 3 AZ16 1NO 30mm
RS庫存編號 263-3646
製造零件編號XCSA722
HK$1,006.72
單位
Screw Key 2NC/1NO Zamak 240V 250V 2NC/1NO Preventa - - 8 XCSA - 44mm
RS庫存編號 147-483
製造零件編號GKMA13
BrandHoneywell
HK$679.31
單位
Cable Key 1NC/1NO Glass Filled PET 50V 50V 1NC/1NO - - - 2 GKM - 16mm
RS庫存編號 179-4722
製造零件編號HS1L-DT44KMSR-G
BrandIdec
HK$1,888.89
單位
G1/2 Key 1NC (Door Monitor), 1NC (Lock Monitor), 1NC/1NC (Main) - 250V 30V 1NC (Door Monitor), 1NC (Lock Monitor), 1NC+1NC/1NC+1NC (Main) - - Spring Lock - HS1L - 129mm
RS庫存編號 179-4751
製造零件編號HS6E-L7Y4B05-G
BrandIdec
HK$1,615.73
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 179-4748
製造零件編號HS6B-03B05
BrandIdec
HK$567.82
單位
Cable - 3NC - 250V 30V 3NC - - Interlock - HS6B - 87mm
RS庫存編號 185-7260
製造零件編號M-KE-NS3 (A101, B201, C301)
BrandIDEM
HK$3,928.38
單位
M6 Screw Key - Die Cast Metal, Stainless Steel - - - - - Interlock - M-KE - 109mm
RS庫存編號 185-7252
製造零件編號M-TS (A101)
BrandIDEM
HK$1,800.08
單位
M6 Screw Key - Die Cast Metal, Stainless Steel - - - - - Interlock 2 M-TS - 109mm
全新
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 841-1688
製造零件編號D4GSN1R5
BrandOmron
HK$1,304.09
單位
Cable Key 1NC/1NO Plastic 240V 250V 1NC - - - 1 D4GS 1NO 85mm
RS庫存編號 185-7250
製造零件編號M-HD-11 (A101, B202)
BrandIDEM
HK$3,399.51
單位
M6 Screw Key - Die Cast Metal, Stainless Steel - - - - Yes Interlock - M-HD - 109mm
RS庫存編號 698-8729
製造零件編號EX-AZ 16-03ZVRK-3D
BrandSchmersal
HK$644.64
單位
Screw Key 3NC/1NO Glass Fibre Reinforced Thermoplastic 230V 24V 3NC - - - 3 EX-AZ16 1NO 30mm
RS庫存編號 826-3919
製造零件編號200001
BrandIDEM
HK$250.99
單位
M20 Key 2NC/1NO Polyester 240V - 2NC Kobra - - 4 KP 1NO 34.5mm
RS庫存編號 132-9180
製造零件編號XCSPA491
HK$485.33
單位
PG 11 Key 2NC/1NO Polyamide 240V 250V 2NC/1NO Preventa Yes - 8 XCSPA - 94mm