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. 797-4857
Mfr. Part No.RE11-SAC
BrandSick
SGD96.48
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. 797-4898
Mfr. Part No.IN40-D0101K
BrandSick
SGD214.40
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. 797-4860
Mfr. Part No.RE21-SA05
BrandSick
SGD57.00
Each
units
30 V dc NC Plastic NO M8 Rectangular - Cable RE21 6 (On) mm, 31 (Off) mm IP67 400 mA Yes Magnetic
RS Stock No. 797-4854
Mfr. Part No.RE13-SAC
BrandSick
SGD86.40
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. 797-4863
Mfr. Part No.RE13-SA05
BrandSick
SGD87.40
Each
units
30 V dc 2NO Plastic - M8 Rectangular - Cable RE13 7 (On) mm, 20 (Off) mm IP67 100 mA Yes Magnetic
RS Stock No. 180-6096
Mfr. Part No.1078202
BrandSick
SGD83.91
Each
units
- - - - - - - - MLP1 - - - No -
RS Stock No. 201-1892
Mfr. Part No.1091949
BrandSick
SGD179.88
Each
units
24 V 2 Nickel-plated brass - M12 Safe Inductive - M12 - 4 Pin IME2S 5mm IP67 - - Metal Material
RS Stock No. 180-6097
Mfr. Part No.2092167
BrandSick
SGD57.00
Each
units
- - - - - - - - MLP1 - - - Yes -
RS Stock No. 146-6209
Mfr. Part No.STR1-SAFM0AC5
BrandSick
SGD135.00
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. 201-1904
Mfr. Part No.1091955
BrandSick
SGD185.67
Each
units
24 V 2 VISTAL - Cable Safe Inductive - Cable IME2S 4mm IP67 - - Metal Material
RS Stock No. 146-6203
Mfr. Part No.STR1-SASM0AC5
BrandSick
SGD132.00
Each
units
24 V dc - Vistal 1 5­Pin M12 Plug Safety - 0.2m cable with 5-Pole M12 Connector STR1 6 (Side Sensor - On) mm, 10 (Front Sensor - On) mm, 25 (Off) mm IP67 50 mA Yes Standard
RS Stock No. 146-6210
Mfr. Part No.STR1-SAFM0AC8
BrandSick
SGD189.21
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. 146-6215
Mfr. Part No.STR1-SAMM0AC5
BrandSick
SGD189.21
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 Mini
RS Stock No. 201-1900
Mfr. Part No.1091953
BrandSick
SGD180.85
Each
units
24 V 2 Nickel-plated brass - M13 Safe Inductive - M12 - 4 Pin IME2S 15mm IP67 - - Metal Material
RS Stock No. 146-6211
Mfr. Part No.STR1-SAFM03P5
BrandSick
SGD135.00
Each
units
24 V dc - Vistal 1 Cable Safety - Cable STR1 9 (Side Sensor - On) mm, 14 (Front Sensor - On) mm, 28 (Off) mm IP67 50 mA Yes Flat
RS Stock No. 201-1895
Mfr. Part No.1091948
BrandSick
SGD165.48
Each
units
24 V 2 Nickel-plated brass - M12 Safe Inductive - M12 - 4 Pin IME2S 8mm IP67 - - Metal Material
RS Stock No. 146-6220
Mfr. Part No.STR1-SAMU03P5
BrandSick
SGD193.00
Each
units
24 V dc - Vistal 1 Cable Safety - Cable STR1 9 (Side Sensor - On) mm, 14 (Front Sensor - On) mm, 28 (Off) mm IP67 50 mA Yes Mini
RS Stock No. 201-1893
Mfr. Part No.1091950
BrandSick
SGD179.88
Each
units
24 V 2 Nickel-plated brass - M12 Safe Inductive - M12 - 4 Pin IME2S 8mm IP67 - - Metal Material
RS Stock No. 146-6216
Mfr. Part No.STR1-SAMM0AC8
BrandSick
SGD135.00
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 Mini
RS Stock No. 201-1905
Mfr. Part No.1091956
BrandSick
SGD187.61
Each
units
24 V 2 VISTAL - M12 Safe Inductive - M12 - 4 Pin with cable IME2S 4mm IP67 - - Metal Material