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 700-4292
製造零件編號XCSPA593
HK$411.84
單位
Screw Clamp Key NO/NC Glass Fibre Reinforced PA 240V 250V NO/NC Preventa - - 4 XCSPA - 30mm
RS庫存編號 623-3105
製造零件編號AZ 17-02ZK
BrandSchmersal
HK$300.27
單位
M16 Key 2NC Glass Fibre Reinforced Thermoplastic 230V 24V 2NC - - - 4 AZ17 - 30mm
RS庫存編號 609-6697
製造零件編號XCSA711
HK$995.28
單位
Screw Key 2NC/1NO Zamak 240V 250V 2NC/1NO Preventa - - 8 XCSA - 44mm
RS庫存編號 284-0771
製造零件編號XCSTA792
HK$320.28
單位
Screw Key 2NC/1NO Glass Fibre Reinforced PA 240V 250V 2NC/1NO Preventa - - 8 XCSTA - 30mm
RS庫存編號 181-1199
製造零件編號LS-02-ZB
BrandEaton
HK$878.48
單位
Cage Clamp - 2NC Insulated Material 415V 220V 2NC - Yes Spring Lock 1 LS4 ZB - 33.4mm
RS庫存編號 498-911
製造零件編號3SE5112-0QV10
BrandSiemens
HK$626.11
單位
M20 Key 2NC/1NO Metal 230V 230V - Sirius - - 5 3SE5 2NC/1NO 37.3mm
RS庫存編號 814-6987
製造零件編號XCSA713
HK$1,432.08
單位
Cable Key 2NC/1NO Zamak 240V 250V - Preventa Yes - 8 XCSA - 44mm
RS庫存編號 754-8281
製造零件編號3SE5122-1QV10
BrandSiemens
HK$772.89
單位
M20 Key 2NC/1NO Metal 230V 24V 1NC Sirius - - 5 3SE5 2NO 37.8mm
RS庫存編號 754-8287
製造零件編號3SE5122-3QV10
BrandSiemens
HK$753.67
單位
M20 Key 2NC/1NO Metal 230V 230V 2NC Sirius - - 5 3SE5 1NO 37.8mm
RS庫存編號 179-4735
製造零件編號HS5D-12RNP
BrandIdec
HK$307.58
單位
PG13.5 Handle 1NO/2NC Plastic (Head) 250V 30V 1NO+2NC - - Interlock - HS5D - 91mm
全新
RS庫存編號 189-5308
製造零件編號6018200003
HK$1,056.03
單位
Screw - NC/NO (Guard Lock), NC/NO (Inter Lock) Glass Fibre Reinforced Thermoplastic 240V 24V NC/NO (Guard Lock), NC/NO (Inter Lock) - Yes Guard Lock, Inter Lock - SLC - 44mm
RS庫存編號 826-3909
製造零件編號204001
BrandIDEM
HK$923.21
單位
M20 Key 2NC/1NO Stainless Steel - - 2NC/1NO Kobra - - 8 KM-SS - 44mm
全新
RS庫存編號 189-5300
製造零件編號6018200007
HK$1,056.03
單位
Screw - 2NC (Guard Lock), 2NC (Inter Lock) Glass Fibre Reinforced Thermoplastic 24V 24V 2NC (Guard Lock), 2NC (Inter Lock) - Yes Guard Lock, Inter Lock - SLC - 44mm
RS庫存編號 826-3886
製造零件編號208019
BrandIDEM
HK$2,393.25
單位
Cable Key 2NC Stainless Steel 240V - 2NC Kobra - - 4 K-SS-Ex - 37.5mm
RS庫存編號 147-499
製造零件編號GKMC09
BrandHoneywell
HK$970.91
單位
M12 Key 1NC/1NO Glass Filled PET 50V 50V 1NC/1NO - - - 2 GKM - 16mm
RS庫存編號 176-0018
製造零件編號2TLA020051R5200
BrandABB Jokab
HK$796.22
單位
M12 - - PBT - 24V - Eden - Interlock - - - 75.2
RS庫存編號 814-7006
製造零件編號XCSE7313
HK$3,866.72
單位
Cable Key 2NC/1NO Zamak 240V 250V 1NC/1NO Preventa Yes - 8 XCSE - 44mm
RS庫存編號 185-7253
製造零件編號M-HS (A101)
BrandIDEM
HK$1,600.34
單位
M6 Screw Key - Die Cast Metal, Stainless Steel - - - - Yes Interlock - M-HS - 109mm
RS庫存編號 814-7071
製造零件編號XCSTA793
HK$622.64
單位
Cable Key 2NC/1NO Glass Fibre Reinforced PA 240V 250V - Preventa Yes - 8 XCSTA - 30mm
RS庫存編號 666-4944
製造零件編號XCSB702EX
HK$2,516.80
單位
Screw Key 2NC/1NO Zamak 240V 250V 2NC/1NO Preventa - - 8 XCSB - 44mm