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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Beskrivning Pris 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-artikelnummer 826-4198
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250 V ac NC 316 Stainless Steel NO 2m cable Rectangular - HYGIEMAG Pre-Wired WMR 10 (Close) mm, 22 (Open) mm IP69K 2 A Yes
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Tillv. art.nrRE21-SA05
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30 V dc NC Plastic NO M8 Rectangular - - Cable RE21 31 (Off) mm, 6 (On) mm IP67 400 mA Yes
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24 V dc - Plastic - - - - Sensaguard - 440N 18 mm IP69K - Yes
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Tillv. art.nr6075687078
VarumärkeBernstein AG
132,27 kr
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24 V - PA66/PA6 - - Non-Contact Safety Sensor - - - SRF 13 mm IP69 100 mA Yes
RS-artikelnummer 191-9807
Tillv. art.nr541112
VarumärkePilz
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24 V dc - PBT - 10 m Cable Safety - - 10 m Cable - 8 mm IP67, IP6K, IP9K 5 mA Yes
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Tillv. art.nrF3S-TGR-NSFR-21-M1J8
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24 V dc 2NC/NO Stainless Steel NO M12 Connector Rectangular - - 0.25m cable with 8-Pole M12 Connector F3S-TGR-N_R 10 mm IP67 - Yes
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24 V dc - Plastic - Cable - - - - D40A 15 mm IP67 - Yes
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24 V dc NC ABS Plastic - 4m cable Rectangular - Ferrogard - 440N 12 (Make) mm, 12 (Safety) mm, 15 (Auxiliary) mm, 15 (Make) mm, 23 (Break) mm, 23 (Safety) mm, 26 (Auxiliary) mm, 26 (Break) mm IP67 1 A Yes
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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
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250 V ac NC Plastic - 4-Pin Micro QD - - Ferrogard - 440N - IP67 - Yes
RS-artikelnummer 617-5172
Tillv. art.nrBNS 303-11ZG-ST
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602,42 kr
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24 V dc - Plastic - - - - - 4-Pin M12 Connector BNS303 - IP67 - No
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Tillv. art.nrRSS260-SD-ST
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1 150,51 kr
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20.4 → 26.4 V dc - Glass Fibre Reinforced Thermoplastic, Plastic - - - - - - RSS 260 - IP65, IP66, IP67 - No
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24 V dc 2NC Plastic NO - Coded Magnetic Switch - Preventa Cable XCS-DMP - IP66, IP67 - Yes
RS-artikelnummer 179-0483
Tillv. art.nr6075685121
VarumärkeBernstein AG
793,66 kr
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24 V - PA66/PA6 - - Non-Contact Safety Sensor - - PCB Pin SRF 13 mm IP69 10 mA, 100 mA Yes
RS-artikelnummer 826-4319
Tillv. art.nr903101
VarumärkeIDEM
2 975,69 kr
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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
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250 V ac, 300 V dc - Stainless Steel NC - Safety - Sipha - 440N 10 mm, 13 mm IP67 - Yes
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1 405,63 kr
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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
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Tillv. art.nrRSS16-D-R-ST8H
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20.4 → 26.4 V dc - Glass Fibre Reinforced Thermoplastic, Plastic - - - - - - RSS 16 - IP65, IP66, IP67 - No
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Tillv. art.nrBNS 303-11ZG 2,0M
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24 V dc - Plastic - - - - - Cable BNS303 - IP67 - No
RS-artikelnummer 751-0958
Tillv. art.nr440N-Z21U17A
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24 V dc - Plastic - - - - Sensaguard - 440N 10 mm IP69K - Yes