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 181-1214
製造零件編號LS-S11-230AMT-ZBZ/X
BrandEaton
HK$2,288.57
單位
Screw - NO/NC Insulated Material 415V 220V NO/NC - Yes Magnet Lock 1 LS ZBZ/X - 30.8mm
RS庫存編號 754-8304
製造零件編號3SE5212-0RV40
BrandSiemens
HK$403.37
單位
M20 Key 1NC/1NO Metal 230V 230V 1NC Sirius - - 5 3SE5 1NO 33mm
RS庫存編號 185-7264
製造零件編號M-BS (A103)
BrandIDEM
HK$1,451.96
單位
M6 Screw Key - Die Cast Metal, Stainless Steel - - - - Yes Interlock - M-BS - 109mm
RS庫存編號 498-915
製造零件編號3SE5112-1QV10
BrandSiemens
HK$772.89
單位
M20 Key 2NC/1NO Metal - 24V - Sirius - - 5 3SE5 2NC/1NO 37.3mm
RS庫存編號 179-4731
製造零件編號HS5D-03ZRNP
BrandIdec
HK$346.62
單位
PG13.5 Handle 3NC Metal (Head) 250V 30V 3NC - - Interlock - HS5D - 91mm
RS庫存編號 176-0044
製造零件編號2TLA042022R4600
BrandABB Jokab
HK$2,385.13
單位
Male M12 - - Anodized Aluminum, Polycarbonate - 24V - Magne - - - - - 35mm
RS庫存編號 766-1618
製造零件編號XCSB722
HK$1,532.96
單位
- Key 2NC/1NO Zamak 240V 250V 2NC/1NO Preventa Yes - 8 XCSB - 44mm
RS庫存編號 826-3921
製造零件編號200007
BrandIDEM
HK$335.55
單位
M20 Key 3NC/1NO Polyester 240V - 3NC Kobra - - 4 KP 1NO 34.5mm
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 814-7012
製造零件編號XCSMP70L2
HK$617.76
單位
Cable Key 2NC/1NO Polyamide 240V 250V - Preventa Yes - 1 XCSMP - 30mm
全新
RS庫存編號 189-5321
製造零件編號6050101002
HK$1,056.03
單位
- - - - - - - - - - - BF - -
RS庫存編號 185-7246
製造零件編號M-ISB1-25 (A101)
BrandIDEM
HK$2,045.13
單位
M4 Screw Key - Stainless Steel 750V - - - - Interlock - M-ISB1 - 180mm
全新
RS庫存編號 189-5313
製造零件編號6018200017
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 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
RS庫存編號 746-7295
製造零件編號D4NS-4BF
BrandOmron
HK$319.84
單位
Screw Key 2NC Plastic - - - - - - 4 D4NS - 30.6mm
RS庫存編號 179-4732
製造零件編號HS5D-12RN
BrandIdec
HK$307.58
單位
G1/2 Handle 1NO/2NC Plastic (Head) 250V 30V 1NO+2NC - - Interlock - HS5D - 91mm
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 337-3799
製造零件編號GKBC1L7
BrandHoneywell
HK$1,199.83
單位
M20 Key 1NC/1NO Glass Filled PET 600V 250V 1NC - Yes - 2 GKB 1NO 42.6mm
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 263-3595
製造零件編號XCSA502
HK$823.68
單位
Screw Key 1NC/2NO Zamak 240V 250V 1NC/2NO Preventa - - 8 XCSA - 44mm