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. 422-5095
Mfr. Part No.XCSDMP7002
HK$735.01
Each
units
24 V dc - Plastic - - - - Preventa Cable XCS-DMP - IP66, IP67 - Yes
RS Stock No. 733-2452
Mfr. Part No.2TLA020046R0600
BrandABB
HK$537.59
Each
units
24 V dc - Plastic - - - - Eden - Eva 2TLA - IP67, IP69K - -
RS Stock No. 623-3155
Mfr. Part No.BNS 33-11Z-ST
BrandSchmersal
HK$414.04
Each
units
100 V ac/dc - Plastic - M8 - - - - BNS33 - IP67 - No
RS Stock No. 797-4901
Mfr. Part No.IN40-D0303K
BrandSick
HK$1,297.98
Each
units
24 V dc 3NO Stainless Steel - M12 Cylindrical - - 4-Pin M12 Connector IN4000 6 (On) mm, 15 (Off) mm IP67 - No
RS Stock No. 746-7324
Mfr. Part No.F3S-TGR-NLPC-20-05
BrandOmron
HK$748.87
Each
units
24 V dc 2NC Plastic - 5m cable Rectangular - - Pre-Wired F3S-TGR-N_C 17 mm IP67 - Yes
RS Stock No. 746-7328
Mfr. Part No.F3S-TGR-NLPC-21-05
BrandOmron
HK$815.67
Each
units
24 V dc 2NC/NO Plastic - 5m cable Rectangular - - Pre-Wired F3S-TGR-N_C 17 mm IP67 - Yes
RS Stock No. 623-3127
Mfr. Part No.BNS 33-02Z-2187-3M
BrandSchmersal
HK$433.44
Each
units
100 V ac/dc - Plastic - Cable - - - - BNS33 - IP67 - No
RS Stock No. 797-4914
Mfr. Part No.IN30-E0305K
BrandSick
HK$1,092.01
Each
units
24 V dc - Stainless Steel - M12 Cylindrical - - - IN3000 - IP65, IP67 - No
RS Stock No. 880-1741
Mfr. Part No.RSS 36-D-ST
BrandSchmersal
HK$1,551.84
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
RS Stock No. 549-463
Mfr. Part No.F3S-TGR-NSMC-21-M1J8
BrandOmron
HK$1,560.87
Each
units
24 V dc 2NC/NO Stainless Steel - M12 Rectangular - - 8-Pin M12 Male Connector F3S-TGR-N_C 17 mm IP67 - Yes
RS Stock No. 757-9279
Mfr. Part No.F3S-TGR-NMPR-21-10
BrandOmron
HK$975.41
Each
units
24 V dc 2NC/NO Plastic - 10m cable Rectangular - - Pre-Wired F3S-TGR-N_R 20 mm IP67 - Yes
RS Stock No. 623-3133
Mfr. Part No.BNS 33-11ZG-2M
BrandSchmersal
HK$393.34
Each
units
24 V dc - Plastic - Cable - - - - BNS33 - IP67 - No
RS Stock No. 617-5302
Mfr. Part No.BNS-B20-12zG-ST-R
BrandSchmersal
HK$820.59
Each
units
24 V dc - Plastic - M12 - - - - BNSB20 - IP67 - No
RS Stock No. 917-6415
Mfr. Part No.2TLA020051R5900
BrandABB
HK$994.25
Each
units
24 V dc - PBT - M12 Rectangular - Eden 8-Pin M12 Connector OSSD 15 mm IP67, IP69K 30 mA No
RS Stock No. 528-0784
Mfr. Part No.3SE6605-1BA
BrandSiemens
HK$566.22
Each
units
100 V ac/dc - Plastic - - - - Sirius 3m cable 3SE6 - IP67 - No
RS Stock No. 481-8243
Mfr. Part No.XCSDMC5905
HK$710.77
Each
units
24 V dc - Plastic - - Safety - Preventa Cable XCS-DMC 5 mm, 15 mm IP66, IP67 - Yes
RS Stock No. 766-1683
Mfr. Part No.XCSDMR5912
HK$687.62
Each
units
24 V dc - Plastic - - Magnetic Proximity - Preventa - XCS-DMR 8 mm IP66, IP67 - Yes
RS Stock No. 625-0352
Mfr. Part No.BNS 33-12Z-2187-2M
BrandSchmersal
HK$508.44
Each
units
120 V ac/dc - Plastic - Cable - - - - BNS33 - IP67 - No
RS Stock No. 617-5273
Mfr. Part No.BNS16 12ZV
BrandSchmersal
HK$518.75
Each
units
100 V ac/dc - Plastic - - Safety - - 8-Pin M12 Connector BNS16 8 mm, 18 mm IP67 - No
RS Stock No. 826-4211
Mfr. Part No.113005
BrandIDEM
HK$867.02
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
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