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 Stock No. 181-1210
Mfr. Part No.LS-S02-230AFT-ZBZ/X
BrandEaton
HK$2,518.77
Each
units
Screw - 2NC Insulated Material 415V 220V 2NC - Yes Spring Lock 1 LS ZBZ/X - 30.8mm
RS Stock No. 181-1206
Mfr. Part No.LS-S02-ZB/X
BrandEaton
HK$445.02
Each
units
Screw - 2NC Insulated Material 415V 220V 2NC - Yes Power Lock 1 LS4 ZB - 33.4mm
RS Stock No. 181-1211
Mfr. Part No.LS-S02-24DMT-ZBZ/X
BrandEaton
HK$2,414.60
Each
units
Screw - 2NC Insulated Material 415V 220V 2NC - Yes Magnet Lock 1 LS ZBZ/X - 30.8mm
RS Stock No. 181-1201
Mfr. Part No.LS-11S-ZB
BrandEaton
HK$926.86
Each
units
Cage Clamp - NO/NC Insulated Material 415V 220V NO/NC - Yes Spring Lock 1 LS4 ZB - 33.4mm
RS Stock No. 181-1209
Mfr. Part No.LS-S11-24DFT-ZBZ/X
BrandEaton
HK$2,518.77
Each
units
Screw - NO/NC Insulated Material 415V 220V NO/NC - Yes Spring Lock 1 LS ZBZ/X - 30.8mm
RS Stock No. 181-1199
Mfr. Part No.LS-02-ZB
BrandEaton
HK$926.86
Each
units
Cage Clamp - 2NC Insulated Material 415V 220V 2NC - Yes Spring Lock 1 LS4 ZB - 33.4mm
RS Stock No. 181-1200
Mfr. Part No.LS-11-ZB
BrandEaton
HK$926.86
Each
units
Cage Clamp - NO/NC Insulated Material 415V 220V NO/NC - Yes Spring Lock 1 LS4 ZB - 33.4mm
RS Stock No. 181-1208
Mfr. Part No.LS-S02-24DFT-ZBZ/X
BrandEaton
HK$2,518.77
Each
units
Screw - 2NC Insulated Material 415V 220V 2NC - Yes Spring Lock 1 LS ZBZ/X - 30.8mm
RS Stock No. 181-1214
Mfr. Part No.LS-S11-230AMT-ZBZ/X
BrandEaton
HK$2,414.60
Each
units
Screw - NO/NC Insulated Material 415V 220V NO/NC - Yes Magnet Lock 1 LS ZBZ/X - 30.8mm
RS Stock No. 181-1213
Mfr. Part No.LS-S02-230AMT-ZBZ/X
BrandEaton
HK$2,414.60
Each
units
Screw - 2NC Insulated Material 415V 220V 2NC - Yes Magnet Lock 1 LS ZBZ/X - 30.8mm
RS Stock No. 181-1212
Mfr. Part No.LS-S11-24DMT-ZBZ/X
BrandEaton
HK$2,414.60
Each
units
Screw - NO/NC Insulated Material 415V 220V NO/NC - Yes Magnet Lock 1 LS ZBZ/X - 30.8mm