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 Range Terminal Type Series Switching Distance IP Rating Supply Current Actuator Included Actuator Type
RS Stock No. 826-4319
Mfr. Part No.903101
BrandIDEM
SGD407.42
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 Magnetic
RS Stock No. 619-2818
Mfr. Part No.504220
BrandPilz
SGD91.64
Each
units
24 V dc 2NO Plastic - M8 Square PSENmag - - 8 mm, 12 mm IP67 - Yes Magnetic
RS Stock No. 797-4857
Mfr. Part No.RE11-SAC
BrandSick
SGD76.40
Each
units
30 V dc NC Plastic NO M8 Rectangular - 4-Pin M8 Connector RE11 3 (On) mm, 12 (Off) mm IP67 400 mA Yes Magnetic
RS Stock No. 422-5118
Mfr. Part No.XCSDMC5902
SGD123.09
Each
units
24 V dc - Plastic - - - Preventa Cable XCS-DMC - IP66, IP67 - Yes Coded
RS Stock No. 826-4312
Mfr. Part No.903102
BrandIDEM
SGD396.48
Each
units
250 V ac/dc 2NC 316 Stainless Steel NO 10m cable Rectangular - Pre-Wired CM3-Ex 10 (Close) mm, 22 (Open) mm IP67 200 (Auxiliary Channel) mA, 600 (Safety Channels) mA Yes Magnetic
RS Stock No. 766-1674
Mfr. Part No.XCSDMP790L01M12
SGD146.22
Each
units
24 V dc - Plastic - - - Preventa - XCS-DMP 8 mm IP67 - Yes Coded
RS Stock No. 797-4898
Mfr. Part No.IN40-D0101K
BrandSick
SGD270.00
Each
units
24 V dc 3NO Plastic - M12 Cuboid - 4-Pin M12 Connector IN4000 15 (On) mm, 30 (Off) mm IP67 - No -
RS Stock No. 766-1693
Mfr. Part No.XCSDMR7912
SGD109.03
Each
units
24 V dc - Plastic - - Magnetic Proximity Preventa - XCS-DMR 8 mm IP66, IP67 - Yes Coded
RS Stock No. 824-4918
Mfr. Part No.506406
BrandPilz
SGD94.89
Each
units
24 V dc NO/NC Plastic - M8 Square PSENmag PCB Pin - 3 mm IP67 - Yes Magnetic
RS Stock No. 746-7182
Mfr. Part No.D40A-1C2
BrandOmron
SGD145.64
Each
units
24 V dc - Plastic - Cable - - - D40A 15 mm IP67 - Yes Coded
RS Stock No. 422-5089
Mfr. Part No.XCSDMP5012
SGD141.63
Each
units
24 V dc - Plastic - - - Preventa Cable XCS-DMP - IP66, IP67 - No Coded
RS Stock No. 666-4966
Mfr. Part No.XCSDMC79010EX
SGD223.20
Each
units
24 V dc NC Plastic NO - - Preventa - XCS-DMC - IP66, IP67 - Yes Coded
RS Stock No. 619-2824
Mfr. Part No.504223
BrandPilz
SGD135.97
Each
units
24 V dc - Plastic - - - - - PSENmag 8 mm IP65, IP67 - Yes Magnetic
RS Stock No. 880-1889
Mfr. Part No.RSS16-D-R-ST8H
BrandSchmersal
SGD249.59
Each
units
20.4 → 26.4 V dc - Glass Fibre Reinforced Thermoplastic, Plastic - - - - - RSS 16 - IP65, IP66, IP67 - No Coded
RS Stock No. 623-3127
Mfr. Part No.BNS 33-02Z-2187-3M
BrandSchmersal
SGD59.16
Each
units
100 V ac/dc - Plastic - Cable - - - BNS33 - IP67 - No Coded
RS Stock No. 824-4914
Mfr. Part No.506405
BrandPilz
SGD86.35
Each
units
24 V dc NO/NC Plastic - M8 Square PSENmag PCB Pin - 3 mm IP67 - Yes Magnetic
RS Stock No. 733-2430
Mfr. Part No.2TLA020051R0000
BrandABB
SGD136.23
Each
units
24 V dc - Plastic - - - Eden Screw Adam 2TLA - IP67, IP69K - No Coded
RS Stock No. 617-5223
Mfr. Part No.BNS 260-02/01ZG-ST-L
BrandSchmersal
SGD113.52
Each
units
24 V dc - Plastic - M8 Safety - - BNS260 5 mm, 15 mm IP67 - No Coded
RS Stock No. 698-8757
Mfr. Part No.EX-BNS250-12Z-2187-3G/D-5M
BrandSchmersal
SGD184.43
Each
units
24 V dc - Plastic - - - - Cable BNS250 - IP67 - No Coded
RS Stock No. 666-4950
Mfr. Part No.XCSDMC59010EX
SGD222.62
Each
units
24 V dc NC Plastic NO - - Preventa - XCS-DMC - IP66, IP67 - Yes Coded
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