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 Actuator Type Range Sensor Principle Switching Distance Terminal Type Series IP Rating Supply Current
RS Stock No. 528-0784
Mfr. Part No.3SE6605-1BA
BrandSiemens
HK$861.58
Each
units
100 V ac/dc NO/NC Plastic - Cable - Coded, Unique Coded Sirius Magnetic - 3m cable 3SE6 IP67 -
New
RS Stock No. 211-0153
Mfr. Part No.3SE6315-0BB03
BrandSiemens
HK$3,179.91
Each
units
26.4 V 1 Plastic - M12 Plug - Individually Coded SIRIUS RFID 10 mm, 17 mm - 3SE - -
RS Stock No. 749-7729
Mfr. Part No.3SE6604-2BA
BrandSiemens
HK$999.09
Each
units
- - Plastic - - - Coded, Unique Coded Sirius Magnetic 15 mm - 3SE6 IP67 -
New
RS Stock No. 211-0154
Mfr. Part No.3SE6604-2BA10
BrandSiemens
HK$1,439.55
Each
units
100 V NC Plastic 2NC Cable - Magnetic SIRIUS Magnetic 5 mm, 15 mm - 3SE - -
New
RS Stock No. 211-0159
Mfr. Part No.3SE6616-3CA01
BrandSiemens
HK$1,181.72
Each
units
30 V 1NC Plastic 1NO+2NC Latching - Magnetic SIRIUS Magnetic 5 mm, 15 mm - 3SE - -
New
RS Stock No. 211-0155
Mfr. Part No.3SE6605-1BA02
BrandSiemens
HK$1,181.72
Each
units
100 V NO/NC Plastic 1NO/1NC M8 - Magnetic SIRIUS Magnetic 5 mm, 15 mm - 3SE - -
New
RS Stock No. 211-0162
Mfr. Part No.3SE6627-3CA04
BrandSiemens
HK$1,160.24
Each
units
75 V 2NC Plastic 3NC Cable - - SIRIUS Magnetic - - 3SE - -
RS Stock No. 755-5706
Mfr. Part No.3SE6315-0BB01
BrandSiemens
HK$1,976.70
Each
units
20.4 → 26.4 V dc - Plastic - M12 - Coded, Unique Coded Sirius RFID 11 (On) mm, 16 (Off) mm - 3SE6 IP65, IP67, IP69K -
New
RS Stock No. 213-1296
Mfr. Part No.3SE6310-1BC01
BrandSiemens
HK$1,246.18
Each
units
- - Plastic - Screw - - SIRIUS RFID - - 3SE - -
New
RS Stock No. 211-0156
Mfr. Part No.3SE6605-2BA10
BrandSiemens
HK$1,040.99
Each
units
100 V NO/NC Plastic 1 NO+1 NC Cable - Magnetic SIRIUS Magnetic 5 mm, 15 mm - 3SE - -
New
RS Stock No. 211-0163
Mfr. Part No.3SE6714-2CA
BrandSiemens
HK$225.60
Each
units
- - Plastic - Screw - - SIRIUS Magnetic - - 3SE - -
RS Stock No. 755-5712
Mfr. Part No.3SE6315-1BB01
BrandSiemens
HK$2,879.11
Each
units
20.4 → 26.4 V dc - Plastic - M12 - Coded, Unique Coded Sirius RFID 11 (On) mm, 16 (Off) mm - 3SE6 IP65, IP67, IP69K -
RS Stock No. 203-3971
Mfr. Part No.3SE6605-2BA01
BrandSiemens
HK$1,052.81
Each
units
60 V NO / NC Plastic 1 NC/1 NO M8 connector - Unique Coded 3SE6605 Magnetic 5 mm, 15 mm - 3SE6605 - -
New
RS Stock No. 211-0152
Mfr. Part No.3SE6315-0BB02
BrandSiemens
HK$2,922.08
Each
units
26.4 V 1 Plastic - M12 Plug - Individually Coded SIRIUS RFID 10 mm, 16 mm - 3SE - -
RS Stock No. 749-7723
Mfr. Part No.3SE6604-2BA01
BrandSiemens
HK$1,204.34
Each
units
100 V - Plastic - - - Coded, Unique Coded Sirius Magnetic 15 mm - 3SE6 IP67 -
New
RS Stock No. 211-0161
Mfr. Part No.3SE6626-3CA01
BrandSiemens
HK$1,181.72
Each
units
30 V 1NC Plastic 1NO+2NC Latching - Magnetic SIRIUS Magnetic 5 mm, 15 mm 6-Pole 8mm Latching 3SE - -
New
RS Stock No. 211-0158
Mfr. Part No.3SE6614-4CA01
BrandSiemens
HK$1,267.67
Each
units
24 V 2NC Plastic 2NC M8 - Magnetic SIRIUS Magnetic 7 mm, 17 mm - 3SE - -
New
RS Stock No. 211-0157
Mfr. Part No.3SE6605-3BA10
BrandSiemens
HK$1,001.24
Each
units
24 V NO/NC Plastic 1NO+1NC Cable - Magnetic SIRIUS Magnetic 5 mm, 15 mm - 3SE - -
New
RS Stock No. 211-0160
Mfr. Part No.3SE6617-3CA04
BrandSiemens
HK$1,160.24
Each
units
75 V 2NC Plastic 3NC Cable - Magnetic SIRIUS Magnetic 5 mm, 15 mm - 3SE - -
New
RS Stock No. 211-0164
Mfr. Part No.3SE6714-3CA
BrandSiemens
HK$225.60
Each
units
- - Plastic - Screw - - SIRIUS Magnetic - - 3SE - -