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. 826-3874
Mfr. Part No.223001
BrandIDEM
kr 327,93
Each
Units
M16 Key 2NC/1NO Glass Fibre Polyester - - 2NC Kobra - - 8 INCH-3 1NO 29.5mm
RS Stock No. 185-7259
Mfr. Part No.M-HS (D401)
BrandIDEM
kr 1 812,98
Each
Units
M6 Screw Key - Die Cast Metal, Stainless Steel - - - - Yes Interlock - M-HS - 109mm
RS Stock No. 185-7262
Mfr. Part No.M-BS (A101)
BrandIDEM
kr 1 644,90
Each
Units
M6 Screw Key - Die Cast Metal, Stainless Steel - - - - Yes Interlock - M-BS - 109mm
RS Stock No. 185-7260
Mfr. Part No.M-KE-NS3 (A101, B201, C301)
BrandIDEM
kr 4 450,37
Each
Units
M6 Screw Key - Die Cast Metal, Stainless Steel - - - - - Interlock - M-KE - 109mm
RS Stock No. 826-3880
Mfr. Part No.208026
BrandIDEM
kr 3 474,02
Each
Units
Cable Key 2NC/2NO Stainless Steel 240V - 2NC/1NO Kobra - - 4 K-SS-Ex 1NO 37.5mm
RS Stock No. 185-7249
Mfr. Part No.M-TD-11 (A101, B202)
BrandIDEM
kr 3 971,37
Each
Units
M6 Screw Key - Die Cast Metal, Stainless Steel - - - - - Interlock 2 M-TD - 109mm
RS Stock No. 185-7246
Mfr. Part No.M-ISB1-25 (A101)
BrandIDEM
kr 2 316,80
Each
Units
M4 Screw Key - Stainless Steel 750V - - - - Interlock - M-ISB1 - 180mm
RS Stock No. 185-7250
Mfr. Part No.M-HD-11 (A101, B202)
BrandIDEM
kr 3 851,18
Each
Units
M6 Screw Key - Die Cast Metal, Stainless Steel - - - - Yes Interlock - M-HD - 109mm
RS Stock No. 826-3899
Mfr. Part No.204019
BrandIDEM
kr 2 684,74
Each
Units
Cable Key 2NC Stainless Steel 250V 250V 2NC Kobra - - 8 KM-SS-Ex - 44mm
RS Stock No. 826-3886
Mfr. Part No.208019
BrandIDEM
kr 2 711,29
Each
Units
Cable Key 2NC Stainless Steel 240V - 2NC Kobra - - 4 K-SS-Ex - 37.5mm
RS Stock No. 826-3915
Mfr. Part No.203007F
BrandIDEM
kr 573,55
Each
Units
M20 Key 3NC/1NO Die Cast Metal 240V - 3NC Kobra Yes - 4 KM 1NO 43.5mm
RS Stock No. 185-7247
Mfr. Part No.M-ISP-25 (A101)
BrandIDEM
kr 1 815,53
Each
Units
M4 Screw Key - Stainless Steel 750V - - - - Interlock - M-ISP - 180mm
RS Stock No. 185-7263
Mfr. Part No.M-BS (A102)
BrandIDEM
kr 1 644,90
Each
Units
M6 Screw Key - Die Cast Metal, Stainless Steel - - - - Yes Interlock - M-BS - 109mm
RS Stock No. 185-7264
Mfr. Part No.M-BS (A103)
BrandIDEM
kr 1 644,90
Each
Units
M6 Screw Key - Die Cast Metal, Stainless Steel - - - - Yes Interlock - M-BS - 109mm
RS Stock No. 185-7257
Mfr. Part No.M-HS (C301)
BrandIDEM
kr 1 812,98
Each
Units
M6 Screw Key - Die Cast Metal, Stainless Steel - - - - Yes Interlock - M-HS - 109mm
RS Stock No. 185-7255
Mfr. Part No.M-HS (B201)
BrandIDEM
kr 1 812,98
Each
Units
M6 Screw Key - Die Cast Metal, Stainless Steel - - - - Yes Interlock - M-HS - 109mm
RS Stock No. 826-3864
Mfr. Part No.222001
BrandIDEM
kr 300,72
Each
Units
M16 Key 2NC Glass Fibre Polyester - - 2NC Kobra - - 8 INCH-1 - 29.5mm
RS Stock No. 185-7252
Mfr. Part No.M-TS (A101)
BrandIDEM
kr 2 039,27
Each
Units
M6 Screw Key - Die Cast Metal, Stainless Steel - - - - - Interlock 2 M-TS - 109mm
RS Stock No. 826-3892
Mfr. Part No.204026
BrandIDEM
kr 3 087,61
Each
Units
Cable Key 2NC/2NO Stainless Steel 250V 250V 2NC/1NO Kobra - - 8 KM-SS-Ex 1NO 44mm
RS Stock No. 826-3906
Mfr. Part No.208007
BrandIDEM
kr 1 103,66
Each
Units
M20 Key 3NC/1NO Stainless Steel 240V - 3NC Kobra - - 4 K-SS 1NO 37.5mm