Non Contact Safety Switches

Non-contact safety switches are a type of safety switch that operates without the use of conductive contacts to complete or break the circuit. Instead, they utilise a magnet, transponder or inductor to detect when the power to a machine needs to be cut. They can be used in machine-guarding applications to prevent injury to personnel in hazardous areas.

What are the advantages of non-contact safety switches?

Non-contact safety switches can be preferable because they are very long lasting and require minimal maintenance They are also resistant to shock and vibrations, as well as being relatively tamper-proof.

Types of non-contact safety switches

Non-contact safety switches may operate using different methods, including by magnet, transponder or inductor. They can also differ in terms of their terminal type, connection type, and crucially, the distance at which the switch will be operated. This determines the level of sensitivity the switch has, and how quickly it will activate when it detects that power needs to be cut.


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Description Price Supply Voltage Safety Contacts Housing Material Auxiliary Contacts Connection Type Switch Type Interface Range Terminal Type Series Switching Distance IP Rating Supply Current Actuator Included
RS Stock No. 826-4319
Mfr. Part No.903101
BrandIDEM
£210.92
Each
Units
250 V ac/dc 2NC 316 Stainless Steel NO 5m cable Rectangular - - Pre-Wired CM3-Ex 10 (Close) mm, 22 (Open) mm IP67 200 (Auxiliary Channel) mA, 600 (Safety Channels) mA Yes
RS Stock No. 826-4299
Mfr. Part No.139014
BrandIDEM
£105.73
Each
Units
250 V ac 2NC 316 Stainless Steel NO 5m cable Rectangular - HYGIEMAG Pre-Wired SMR 10 (Close) mm, 22 (Open) mm IP67, IP69K 1 A Yes
RS Stock No. 826-4316
Mfr. Part No.905101
BrandIDEM
£227.40
Each
Units
250 V ac/dc 2NC 316 Stainless Steel NO 5m cable Cylindrical - - Pre-Wired RM-Ex 10 (Close) mm, 22 (Open) mm IP67 200 (Auxiliary Channel) mA, 600 (Safety Channels) mA Yes
RS Stock No. 123-7506
Mfr. Part No.138021
BrandIDEM
£107.10
Each
Units
250 V ac 2NC 316 Stainless Steel NO 2m cable Rectangular - HYGIEMAG Cable CMR 10 (Close) mm, 22 (Open) mm IP67, IP69K 1 A Yes
RS Stock No. 826-4322
Mfr. Part No.404104
BrandIDEM
£96.63
Each
Units
24 V dc 2NC Plastic NO M12 Rectangular - - 8-Pin M12 Connector LPF-RFID-M 10 (Close) mm, 20 (Open) mm IP67 200 mA Yes
RS Stock No. 826-4215
Mfr. Part No.113006
BrandIDEM
£83.61
Each
Units
250 V ac 2NC Plastic NO M12 Rectangular - IDEMAG 8-Pin M12 Connector CPR 10 (Close) mm, 22 (Open) mm IP67 1 (Safety Channels) A, 200 (Auxiliary Channel) mA Yes
RS Stock No. 826-4271
Mfr. Part No.111013
BrandIDEM
£66.59
Each
Units
250 V ac 2NC Plastic NO M12 Rectangular - IDEMAG 8-Pin M12 Connector SPR 10 (Close) mm, 22 (Open) mm IP67 1 (Safety Channels) A, 200 (Auxiliary Channel) mA Yes
RS Stock No. 826-4350
Mfr. Part No.464006
BrandIDEM
£152.85
Each
Units
24 V dc 2NC Aluminium NO M12 Rectangular - - 8-Pin M12 Connector MGL 10 (Open) mm IP67 50 mA, 200 mA, 500 mA Yes
RS Stock No. 123-7507
Mfr. Part No.138022
BrandIDEM
£112.14
Each
Units
250 V ac 2NC 316 Stainless Steel NO 5m cable Rectangular - HYGIEMAG Cable CMR 10 (Close) mm, 22 (Open) mm IP67, IP69K 1 A Yes
RS Stock No. 826-4331
Mfr. Part No.404001
BrandIDEM
£74.49
Each
Units
24 V dc 2NC Plastic NO 2m cable Rectangular - - Pre-Wired LPF-RFID-U 10 (Close) mm, 20 (Open) mm IP67 200 mA Yes
RS Stock No. 826-4211
Mfr. Part No.113005
BrandIDEM
£78.57
Each
Units
250 V ac 2NC Plastic NO 2m cable Rectangular - IDEMAG 8-Pin M12 Connector CPR 10 (Close) mm, 22 (Open) mm IP67 1 (Safety Channels) A, 200 (Auxiliary Channel) mA Yes
RS Stock No. 826-4259
Mfr. Part No.131008
BrandIDEM
£104.33
Each
Units
24 V dc 2NC 316 Stainless Steel NO M12 Rectangular - HYGIEMAG 8-Pin M12 Connector MMR-H 10 (Close) mm, 20 (Open) mm IP69K 200 (Auxiliary Channel) mA, 500 (Safety Channels) mA Yes
RS Stock No. 826-4261
Mfr. Part No.116013
BrandIDEM
£74.65
Each
Units
24 V dc 2NC Plastic NO 2m cable Cylindrical - IDEMAG Pre-Wired RPR 10 (Close) mm, 20 (Open) mm IP67, IP69K 500 mA Yes
RS Stock No. 826-4340
Mfr. Part No.405001
BrandIDEM
£72.80
Each
Units
24 V dc 2NC Plastic NO 2m cable Rectangular - - Pre-Wired SPF-RFID-U 10 (Close) mm, 20 (Open) mm IP67 200 mA Yes
RS Stock No. 826-4243
Mfr. Part No.114023
BrandIDEM
£55.27
Each
Units
250 V ac NC Plastic NO M8 Rectangular - IDEMAG 4-Pin M8 Connector MPR 10 (Close) mm, 20 (Open) mm IP67 500 mA Yes
RS Stock No. 826-4255
Mfr. Part No.114027
BrandIDEM
£55.27
Each
Units
250 V ac NC Plastic NO M8 Rectangular - IDEMAG 4-Pin M8 Connector MPR 10 (Open) mm, 4 (Close) mm IP67 500 mA Yes
RS Stock No. 826-4353
Mfr. Part No.462006
BrandIDEM
£342.37
Each
Units
24 V dc 2NC 316 Stainless Steel NO M12 Rectangular - - 8-Pin M12 Connector MGL 10 (Open) mm IP69K 50 mA, 200 mA, 500 mA Yes
RS Stock No. 826-4205
Mfr. Part No.136005
BrandIDEM
£111.84
Each
Units
250 V ac 2NC 316 Stainless Steel NO 2m cable Rectangular - HYGIEMAG Pre-Wired WMR 10 (Close) mm, 22 (Open) mm IP69K 2 A Yes
RS Stock No. 826-4334
Mfr. Part No.404004
BrandIDEM
£96.63
Each
Units
24 V dc 2NC Plastic NO M12 Rectangular - - 8-Pin M12 Connector LPF-RFID-U 10 (Close) mm, 20 (Open) mm IP67 200 mA Yes
RS Stock No. 826-4233
Mfr. Part No.135021
BrandIDEM
£107.10
Each
Units
250 V ac 2NC 316 Stainless Steel NO 2m cable Rectangular - HYGIEMAG 8-Pin M12 Connector CMR-F 10 (Close) mm, 22 (Open) mm IP69K 2 (Safety Channels) A, 200 (Auxiliary Channel) mA Yes