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. 619-2818
Mfr. Part No.504220
BrandPilz
£50.48
Each
Units
24 V dc 2NO Plastic - M8 Square - PSENmag - - 8 mm, 12 mm IP67 - Yes
RS Stock No. 351-3947
Mfr. Part No.440N-G02123
£174.00
Each
Units
24 V dc 2NC Stainless Steel NO 3m cable - - Ferrogard - 440N - IP68 - Yes
RS Stock No. 428-253
Mfr. Part No.440N-Z21SS2HN
£98.00
Each
Units
24 V dc - Plastic - - Safety Guardlink Sensaguard Cable 440N 15 mm IP69K - Yes
RS Stock No. 343-981
Mfr. Part No.440N-G02023
£111.00
Each
Units
250 V ac NC Plastic - 2m cable - - Ferrogard - 440N - IP67 - Yes
RS Stock No. 334-0777
Mfr. Part No.440N-S32015
£45.70
Each
Units
250 V ac, 300 V dc NO/NC Plastic - - Safety - Sipha - 440N 9 mm, 12 mm IP67 - Yes
RS Stock No. 178-204
Mfr. Part No.440N-G02044
£97.60
Each
Units
24 V dc NC Plastic - 2m cable Safety - Ferrogard - 440N 12 mm, 23 mm IP67 - Yes
RS Stock No. 335-5763
Mfr. Part No.440N-S32023
£59.60
Each
Units
250 V ac, 300 V dc NO/NC Plastic NC - - - Sipha - 440N - IP67 - Yes
RS Stock No. 703-4858
Mfr. Part No.440N-Z2NRS1A
£40.80
Each
Units
- - Plastic - - - - MC1 Cable 440N - IP67 - Yes
RS Stock No. 351-3919
Mfr. Part No.440N-G02058
£166.00
Each
Units
24 V dc 2NC Plastic NO 2m cable - - Ferrogard - 440N - IP67 - Yes
RS Stock No. 537-7153
Mfr. Part No.440N-G02157
£134.00
Each
Units
24 V dc NC Stainless Steel NC - - - Ferrogard - 440N - IP67 - Yes
RS Stock No. 792-3092
Mfr. Part No.440N-G02143
£214.00
Each
Units
24 V dc 2NC Stainless Steel NO 6m cable Rectangular - Ferrogard Cable 440N 12 (Safety) mm, 15 (Auxiliary) mm IP68 1 A Yes
RS Stock No. 751-0923
Mfr. Part No.440N-G02099
£203.00
Each
Units
24 V dc 2NC Plastic NO 6-Pin Micro QD - - Ferrogard - 440N 23 (Safety) mm, 26 (Auxiliary) mm IP67 - Yes
RS Stock No. 422-5130
Mfr. Part No.XCSDMC7902
£60.80
Each
Units
24 V dc 2NC Plastic None - Coded Magnetic Switch - Preventa Cable XCS-DMC - IP66, IP67 - Yes
RS Stock No. 422-5095
Mfr. Part No.XCSDMP7002
£81.00
Each
Units
24 V dc 2NC Plastic NO - Coded Magnetic Switch - Preventa Cable XCS-DMP - IP66, IP67 - Yes
RS Stock No. 334-0761
Mfr. Part No.440N-S32014
£45.70
Each
Units
250 V ac, 300 V dc NO/NC Plastic - - Safety - Sipha - 440N 5 mm, 11 mm IP67 - Yes
RS Stock No. 333-574
Mfr. Part No.440N-G02002
£118.00
Each
Units
250 V ac NC Plastic NO 2m cable - - Ferrogard - 440N - IP67 - Yes
RS Stock No. 623-3149
Mfr. Part No.BNS 33-11Z-2M
BrandSchmersal
£32.67
Each
Units
100 V ac/dc - Plastic - Cable - - - - BNS33 - IP67 - No
RS Stock No. 456-276
Mfr. Part No.440N-G02045
£93.30
Each
Units
110 V ac NC Plastic - 2m cable - - Ferrogard - 440N - IP67 - Yes
RS Stock No. 296-3199
Mfr. Part No.440N-G02090
£190.00
Each
Units
24 V dc 2NC Plastic - 4-Pin Micro QD Safety - Ferrogard - 440N 12 mm, 23 mm IP67 - Yes
RS Stock No. 751-0920
Mfr. Part No.440N-G02083
£199.00
Each
Units
24 V dc 2NC Plastic NO 6m cable - - Ferrogard - 440N 23 (Safety) mm, 26 (Auxiliary) mm IP67 - Yes
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