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. 703-4855
Mfr. Part No.440N-Z21W1PH
€80.34
Each
units
24 V dc - Plastic - - - Guardlink MC2 8-Pin M12 Connector 440N - IP69K - Yes
RS Stock No. 343-981
Mfr. Part No.440N-G02023
€144.30
Each
units
250 V ac NC Plastic - 2m cable - - Ferrogard - 440N - IP67 - Yes
RS Stock No. 335-5763
Mfr. Part No.440N-S32023
€77.48
Each
units
250 V ac, 300 V dc NO/NC Plastic NC - - - Sipha - 440N - IP67 - Yes
RS Stock No. 351-3947
Mfr. Part No.440N-G02123
€226.20
Each
units
24 V dc 2NC Stainless Steel NO 3m cable - - Ferrogard - 440N - IP68 - Yes
RS Stock No. 703-4864
Mfr. Part No.440N-Z21W1PA
€80.34
Each
units
24 V dc - Plastic - - - - MC2 Cable 440N - IP69K - Yes
RS Stock No. 351-3919
Mfr. Part No.440N-G02058
€215.80
Each
units
24 V dc 2NC Plastic NO 2m cable - - Ferrogard - 440N - IP67 - Yes
RS Stock No. 703-4858
Mfr. Part No.440N-Z2NRS1A
€53.04
Each
units
- - Plastic - - - - MC1 Cable 440N - IP67 - Yes
RS Stock No. 333-574
Mfr. Part No.440N-G02002
€153.40
Each
units
250 V ac NC Plastic NO 2m cable - - Ferrogard - 440N - IP67 - Yes
RS Stock No. 759-213
Mfr. Part No.440N-G02055
€224.90
Each
units
250 V ac 2NC Plastic NO 2m cable - - Ferrogard - 440N - IP67 - Yes
RS Stock No. 178-204
Mfr. Part No.440N-G02044
€126.88
Each
units
24 V dc NC Plastic - 2m cable Safety - Ferrogard - 440N 12 mm, 23 mm IP67 - Yes
RS Stock No. 751-0917
Mfr. Part No.440N-G02028
€143.00
Each
units
250 V ac NC Plastic - 4m cable Safety - Ferrogard - 440N 12 mm IP67 - Yes
RS Stock No. 334-0777
Mfr. Part No.440N-S32015
€59.41
Each
units
250 V ac, 300 V dc NO/NC Plastic - - Safety - Sipha - 440N 9 mm, 12 mm IP67 - Yes
RS Stock No. 428-243
Mfr. Part No.440N-Z21SS2AN
€127.40
Each
units
24 V dc - Plastic - - - - Sensaguard Cable 440N - IP69K - Yes
RS Stock No. 873-2219
Mfr. Part No.440N-S32033
€112.71
Each
units
250 V ac, 300 V dc NO/NC ABS Plastic NC 10m cable Rectangular - Sipha - 440N 12 (Break) mm, 9 (Safety) mm IP67 500 mA Yes
RS Stock No. 428-259
Mfr. Part No.440N-Z21SS2HN9
€150.80
Each
units
24 V dc - Plastic - - - Guardlink Sensaguard Cable 440N - IP69K - Yes
RS Stock No. 537-7147
Mfr. Part No.440N-G02156
€165.10
Each
units
24 V dc NC Stainless Steel NO - - - Ferrogard - 440N - IP67 - Yes
RS Stock No. 751-0927
Mfr. Part No.440N-G02119
€287.30
Each
units
24 V dc 2NC Stainless Steel - 3m cable Safety - Ferrogard - 440N 23 (Safety) mm, 26 (Auxiliary) mm IP68 - Yes
RS Stock No. 428-247
Mfr. Part No.440N-Z21SS2BN
€145.60
Each
units
24 V dc - Plastic - - - - Sensaguard Cable 440N - IP69K - Yes
RS Stock No. 284-0399
Mfr. Part No.440N-G02032
€167.70
Each
units
250 V ac NC Plastic - - - - Ferrogard - 440N - IP67 - Yes
RS Stock No. 537-7131
Mfr. Part No.440N-G02155
€174.20
Each
units
250 V ac NC Stainless Steel NC - - - Ferrogard - 440N - IP67 - Yes