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. 335-5741
Mfr. Part No.440N-S32021
£202.00
Each
Units
24 V ac/dc, 115/230 V ac 2NO - NC - - - Sipha - 440N - IP67 - No
RS Stock No. 378-0399
Mfr. Part No.440N-S32043
£196.00
Each
Units
250 V ac, 300 V dc - Stainless Steel NC - Safety - Sipha - 440N 10 mm, 13 mm IP67 - Yes
RS Stock No. 751-0917
Mfr. Part No.440N-G02028
£110.00
Each
Units
250 V ac NC Plastic - 4m cable Safety - Ferrogard - 440N 12 mm IP67 - Yes
RS Stock No. 215-586
Mfr. Part No.440N-Z21S17H
£134.00
Each
Units
24 V dc - Plastic - - - Guardlink Sensaguard - 440N - IP69K - Yes
RS Stock No. 296-3206
Mfr. Part No.440N-G02096
£130.00
Each
Units
24 V dc NC Plastic - 4-Pin Micro QD Safety - Ferrogard - 440N 12 mm, 23 mm IP67 - Yes
RS Stock No. 215-794
Mfr. Part No.440N-Z21S16H
£84.10
Each
Units
24 V dc - Plastic - - - Guardlink Sensaguard - 440N - IP69K - Yes
RS Stock No. 311-1535
Mfr. Part No.440N-G02117
£180.00
Each
Units
250 V ac 2NC Stainless Steel NO 3m cable - - Ferrogard - 440N - IP68 - Yes
RS Stock No. 824-4927
Mfr. Part No.506411
BrandPilz
£55.29
Each
Units
24 V dc 2NO Plastic - M8 Square - PSENmag PCB Pin - 3 mm IP67 - Yes
RS Stock No. 703-4855
Mfr. Part No.440N-Z21W1PH
£61.80
Each
Units
24 V dc - Plastic - - - Guardlink MC2 8-Pin M12 Connector 440N - IP69K - Yes
RS Stock No. 733-2458
Mfr. Part No.2TLA020046R0000
BrandABB
£24.06
Each
Units
24 V dc - Plastic - - - - Eden - Eva 2TLA - IP67, IP69K - Yes
RS Stock No. 918-6655
Mfr. Part No.541009
BrandPilz
£92.06
Each
Units
24 V dc - Plastic - M12 - - PSENcode - - 8 mm IP67 - Yes
RS Stock No. 623-3127
Mfr. Part No.BNS 33-02Z-2187-3M
BrandSchmersal
£40.84
Each
Units
100 V ac/dc - Plastic - Cable - - - - BNS33 - IP67 - No
RS Stock No. 422-5102
Mfr. Part No.XCSDMP7012
£68.00
Each
Units
24 V dc - Plastic - - - - Preventa Cable XCS-DMP - IP66, IP67 - Yes
RS Stock No. 757-9250
Mfr. Part No.F3S-TGR-NMPC-21-05
BrandOmron
£67.50
Each
Units
24 V dc 2NC/NO Plastic - 5m cable Rectangular - - Pre-Wired F3S-TGR-N_C 12 mm IP67 - Yes
RS Stock No. 703-4849
Mfr. Part No.440N-Z2NRS1C
£40.80
Each
Units
- - Plastic - - - Guardlink MC1 4-Pin M12 Connector 440N - IP67 - Yes
RS Stock No. 334-0755
Mfr. Part No.440N-S32013
£173.00
Each
Units
24 V ac/dc NO - NC - - - Sipha - 440N - IP67 - No
RS Stock No. 351-3903
Mfr. Part No.440N-G02092
£127.00
Each
Units
24 V dc NC Plastic NO 2m cable - - Ferrogard - 440N - IP67 - Yes
RS Stock No. 759-213
Mfr. Part No.440N-G02055
£173.00
Each
Units
250 V ac 2NC Plastic NO 2m cable - - Ferrogard - 440N - IP67 - Yes
RS Stock No. 422-5073
Mfr. Part No.XCSDMP5002
£70.00
Each
Units
24 V dc - Plastic - - - - Preventa Cable XCS-DMP - IP66, IP67 - Yes
RS Stock No. 215-766
Mfr. Part No.440N-Z21S16A
£84.10
Each
Units
24 V dc - Plastic - - - - Sensaguard Cable 440N - IP69K - Yes
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