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. 623-3177
Mfr. Part No.BNS 33-12ZG-2187-2M
BrandSchmersal
HK$404.43
Each
units
24 V dc - Plastic - Cable Safety - - BNS33 5 mm, 15 mm IP67 - No Coded
RS Stock No. 617-5273
Mfr. Part No.BNS16 12ZV
BrandSchmersal
HK$658.97
Each
units
100 V ac/dc - Plastic - - Safety - 8-Pin M12 Connector BNS16 8 mm, 18 mm IP67 - No Coded
RS Stock No. 861-5196
Mfr. Part No.2TLA050005R1320
BrandABB
HK$1,697.28
Each
units
300 V ac - Stainless Steel 2NC/NO NPT Rectangular - - 2TLA 8 mm IP67 5 A No -
RS Stock No. 826-4211
Mfr. Part No.113005
BrandIDEM
HK$915.31
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 Magnetic
RS Stock No. 549-463
Mfr. Part No.F3S-TGR-NSMC-21-M1J8
BrandOmron
HK$1,515.11
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. 619-2795
Mfr. Part No.540105
BrandPilz
HK$2,493.00
Each
units
24 V dc - Plastic - - - - - PSENmag 15 mm IP67 - Yes Coded
RS Stock No. 826-4322
Mfr. Part No.404104
BrandIDEM
HK$960.80
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 Master Coded
RS Stock No. 146-6209
Mfr. Part No.STR1-SAFM0AC5
BrandSick
HK$1,088.48
Each
units
24 V dc - Vistal 1 5­Pin M12 Plug Safety - 0.2m cable with 5-Pole M12 Connector STR1 9 (Side Sensor - On) mm, 14 (Front Sensor - On) mm, 28 (Off) mm IP67 50 mA Yes Flat
RS Stock No. 861-5256
Mfr. Part No.2TLA050007R1212
BrandABB
HK$2,329.84
Each
units
24 V ac/dc 2NC Polyester 2NO NPT Rectangular - - 2TLA 10 mm IP67 5 A No -
RS Stock No. 123-7521
Mfr. Part No.133005
BrandIDEM
HK$952.56
Each
units
24 V dc 2NC 316 Stainless Steel NO 2m cable Rectangular HYGIECODE Cable LMC 10 (Close) mm, 20 (Open) mm IP67, IP69K 200 mA Yes Coded
RS Stock No. 133-0079
Mfr. Part No.XCSDMP501L01M12
HK$1,025.59
Each
units
24 V dc 1NC/2NO Plastic - M12 Rectangular Preventa M12 Conduit XCSDMP 8 (Operating) mm, 20 (Tripping) mm IP67 ≤100 A Yes Coded
RS Stock No. 861-5445
Mfr. Part No.2TLA050050R5108
BrandABB
HK$816.14
Each
units
- - - - - - - - - - - - Yes Coded
RS Stock No. 861-5310
Mfr. Part No.2TLA050011R1033
BrandABB
HK$2,571.92
Each
units
110 V ac 4NC Die Cast Metal 2NO NPT Rectangular - - 2TLA 10 mm IP67 5 A No -
RS Stock No. 797-4905
Mfr. Part No.IN30-E0208K
BrandSick
HK$1,312.74
Each
units
24 V dc - Stainless Steel - M12 Cylindrical - - IN3000 - IP65, IP67 - No -
RS Stock No. 766-1646
Mfr. Part No.XCSDMC791L01M8
HK$669.72
Each
units
24 V dc - Plastic - - Magnetic Proximity Preventa - XCS-DMC 5 mm IP67 - Yes Coded
RS Stock No. 146-6210
Mfr. Part No.STR1-SAFM0AC8
BrandSick
HK$1,088.48
Each
units
24 V dc - Vistal 1 8­Pin M12 Plug Safety - 0.2m cable with 8-Pole M12 Connector STR1 9 (Side Sensor - On) mm, 14 (Front Sensor - On) mm, 28 (Off) mm IP67 50 mA Yes Flat
RS Stock No. 917-6402
Mfr. Part No.2TLA020051R5700
BrandABB
HK$694.87
Each
units
24 V dc - PBT - M12 Rectangular Eden 8-Pin M12 Connector OSSD 15 mm IP67, IP69K 30 mA No Coded
RS Stock No. 861-5458
Mfr. Part No.2TLA050054R2120
BrandABB
HK$1,497.52
Each
units
- - - - - - - - - - - - Yes Coded
RS Stock No. 826-4325
Mfr. Part No.905102
BrandIDEM
HK$2,822.52
Each
units
250 V ac/dc 2NC 316 Stainless Steel NO 10m cable Cylindrical - Pre-Wired RM-Ex 10 (Close) mm, 22 (Open) mm IP67 200 (Auxiliary Channel) mA, 600 (Safety Channels) mA Yes Magnetic
RS Stock No. 861-5313
Mfr. Part No.2TLA050011R1032
BrandABB
HK$2,477.28
Each
units
24 V ac/dc 4NC Die Cast Metal 2NO NPT Rectangular - - 2TLA 10 mm IP67 5 A No -
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