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 666-4940
製造零件編號XCSB502EX
HK$4,976.32
單位
Screw Key 1NC/2NO Zamak 240V 250V 1NC/2NO Preventa - - 8 XCSB - 44mm
RS庫存編號 181-1209
製造零件編號106829 & LS-S11-24DFT-ZBZ/X
BrandEaton
HK$2,315.39
單位
Screw - NO/NC Insulated Material 415V 220V NO/NC - Yes Spring Lock 1 LS ZBZ/X - 30.8mm
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 179-4747
製造零件編號HS5L-VC7Y4M-G
BrandIdec
HK$929.12
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
RS庫存編號 185-7259
製造零件編號M-HS (D401)
BrandIDEM
HK$1,479.30
單位
M6 Screw Key - Die Cast Metal, Stainless Steel - - - - Yes Interlock - M-HS - 109mm
RS庫存編號 211-1499
製造零件編號AZ 17-11ZI-B5
BrandSchmersal
HK$530.59
單位
M16 Key 1NC/1NO Glass Fibre Reinforced Thermoplastic 230V 24V 1NC - - - 4 AZ17 1NO 85mm
RS庫存編號 625-0330
製造零件編號AZ16-02ZVRK-M20
BrandSchmersal
HK$271.33
單位
M20 Key 2NC Glass Fibre Reinforced Thermoplastic 230V 24V 2NC - - - 3 AZ16 - 30mm
RS庫存編號 498-921
製造零件編號3SE5232-0RV40
BrandSiemens
HK$507.69
單位
M20 Key 1NC/1NO Plastic 230V 230V - Sirius - - 5 3SE5 NC/NO 33mm
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 754-8287
製造零件編號3SE5122-3QV10
BrandSiemens
HK$1,173.19
單位
M20 Key 2NC/1NO Metal 230V 230V 2NC Sirius - - 5 3SE5 1NO 37.8mm
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
RS庫存編號 179-4754
製造零件編號HS6E-N44B05-G
BrandIdec
HK$1,592.44
單位
Cable Key 1NC/1NC (Main), 1NC/1NO (Door Monitor), 1NO (Lock Monitor) - 250V 30V 1NC+1NC (Main), 1NC/1NO (Door Monitor), 1NO (Lock Monitor) - - Spring Lock - HS6E - 75mm
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 179-4735
製造零件編號HS5D-12RNP
BrandIdec
HK$259.69
單位
PG13.5 Handle 1NO/2NC Plastic (Head) 250V 30V 1NO+2NC - - Interlock - HS5D - 91mm
RS庫存編號 766-1618
製造零件編號XCSB722
HK$1,558.17
單位
- Key 2NC/1NO Zamak 240V 250V 2NC/1NO Preventa Yes - 8 XCSB - 44mm
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 698-8729
製造零件編號EX-AZ 16-03ZVRK-3D
BrandSchmersal
HK$632.29
單位
Screw Key 3NC/1NO Glass Fibre Reinforced Thermoplastic 230V 24V 3NC - - - 3 EX-AZ16 1NO 30mm
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 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 189-5314
製造零件編號3911742390
HK$63.54
單位
M4 Screw - - - - - - - - - - - - 9mm