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. 766-1665
Mfr. Part No.XCSDMP7902
$167.07
Each
units
24 V dc - Plastic - - - Preventa - XCS-DMP 8 mm IP66, IP67 - Yes Coded
RS Stock No. 797-4854
Mfr. Part No.RE13-SAC
BrandSick
$104.35
Each
units
30 V dc 0NC Plastic 2NO M8 Rectangular - 4-Pin M8 Connector RE13 7 (On) mm, 20 (Off) mm IP67 100 mA Yes Magnetic
RS Stock No. 826-4243
Mfr. Part No.114023
BrandIDEM
$88.38
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 Magnetic
RS Stock No. 918-6658
Mfr. Part No.506334
BrandPilz
$140.87
Each
units
24 V dc - Plastic - M8 Square PSENmag - - 10 mm IP67 - Yes Magnetic
RS Stock No. 824-4918
Mfr. Part No.506406
BrandPilz
$158.48
Each
units
24 V dc NO/NC Plastic - M8 Square PSENmag PCB Pin - 3 mm IP67 - Yes Magnetic
RS Stock No. 824-4914
Mfr. Part No.506405
BrandPilz
$143.53
Each
units
24 V dc NO/NC Plastic - M8 Square PSENmag PCB Pin - 3 mm IP67 - Yes Magnetic
RS Stock No. 826-4249
Mfr. Part No.114022
BrandIDEM
$131.80
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 Magnetic
RS Stock No. 549-463
Mfr. Part No.F3S-TGR-NSMC-21-M1J8
BrandOmron
$597.63
Each
units
24 V dc 2NC/NO Stainless Steel - M12 Rectangular - 8-Pin M12 Male Connector F3S-TGR-N_C 17 mm IP67 - Yes Coded
RS Stock No. 422-5102
Mfr. Part No.XCSDMP7012
$365.87
Each
units
24 V dc - Plastic - - - Preventa Cable XCS-DMP - IP66, IP67 - Yes Coded
RS Stock No. 422-5095
Mfr. Part No.XCSDMP7002
$248.73
Each
units
24 V dc - Plastic - - - Preventa Cable XCS-DMP - IP66, IP67 - Yes Coded
RS Stock No. 826-4312
Mfr. Part No.903102
BrandIDEM
$544.79
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. 623-3133
Mfr. Part No.BNS 33-11ZG-2M
BrandSchmersal
$103.25
Each
units
24 V dc - Plastic - Cable - - - BNS33 - IP67 - No Coded
RS Stock No. 619-2818
Mfr. Part No.504220
BrandPilz
$197.85
Each
units
24 V dc 2NO Plastic - M8 Square PSENmag - - 8 mm, 12 mm IP67 - Yes Magnetic
RS Stock No. 617-5150
Mfr. Part No.BNS 33S-12Z
BrandSchmersal
$337.60
Each
units
100 V ac/dc - Stainless Steel - - Safety - Cable BNS33 8 mm, 18 mm IP69K - No Coded
RS Stock No. 880-1747
Mfr. Part No.RSS 36-D-R-ST
BrandSchmersal
$257.76
Each
units
20.4 → 26.4 V dc - Glass Fibre Reinforced Thermoplastic, Plastic - M12 Rectangular - 8-Pin M12 Connector RSS 36 10 (On) mm, 12 mm, 16 (Off) mm IP65, IP67, IP69K 600 mA No Coded
RS Stock No. 698-8763
Mfr. Part No.EX-BNS 33-12ZG-2187-3G/D-5M
BrandSchmersal
$126.08
Each
units
24 V dc, 100 V ac/dc - Plastic - - - - Cable BNS33 - IP67 - No Coded
RS Stock No. 797-4866
Mfr. Part No.RE21-SAC
BrandSick
$92.00
Each
units
30 V dc NC Plastic NO M8 Rectangular - 4-Pin M8 Connector RE21 6 (On) mm, 31 (Off) mm IP67 400 mA Yes Magnetic
RS Stock No. 880-1741
Mfr. Part No.RSS 36-D-ST
BrandSchmersal
$309.85
Each
units
20.4 → 26.4 V dc - Glass Fibre Reinforced Thermoplastic, Plastic - M12 Rectangular - 8-Pin M12 Connector RSS 36 10 (On) mm, 12 mm, 16 (Off) mm IP65, IP67, IP69K 600 mA No Coded
RS Stock No. 766-1637
Mfr. Part No.XCSDMC790L01M8
$130.67
Each
units
- - - - - Magnetic Proximity - - - - - - - -
RS Stock No. 746-7328
Mfr. Part No.F3S-TGR-NLPC-21-05
BrandOmron
$145.84
Each
units
24 V dc 2NC/NO Plastic - 5m cable Rectangular - Pre-Wired F3S-TGR-N_C 17 mm IP67 - Yes Coded
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