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. 797-4854
Mfr. Part No.RE13-SAC
BrandSick
$93.00
Each
units
30 V dc 0NC Plastic 2NO M8 Rectangular - - 4-Pin M8 Connector RE13 20 (Off) mm, 7 (On) mm IP67 100 mA Yes
RS Stock No. 619-2818
Mfr. Part No.504220
BrandPilz
$184.05
Each
units
24 V dc 2NO Plastic - M8 Square - PSENmag - - 8 mm, 12 mm IP67 - Yes
RS Stock No. 623-3149
Mfr. Part No.BNS 33-11Z-2M
BrandSchmersal
$66.99
Each
units
100 V ac/dc - Plastic - Cable - - - - BNS33 - IP67 - No
RS Stock No. 733-2449
Mfr. Part No.2TLA020051R0200
BrandABB
$158.50
Each
units
24 V dc - Plastic - - - - Eden 3m cable Adam 2TLA - IP67, IP69K - No
RS Stock No. 422-5089
Mfr. Part No.XCSDMP5012
$216.71
Each
units
24 V dc - Plastic - - - - Preventa Cable XCS-DMP - IP66, IP67 - No
RS Stock No. 918-6658
Mfr. Part No.506334
BrandPilz
$129.60
Each
units
24 V dc - Plastic - M8 Square - PSENmag - - 10 mm IP67 - Yes
RS Stock No. 797-4863
Mfr. Part No.RE13-SA05
BrandSick
$98.00
Each
units
30 V dc 2NO Plastic - M8 Rectangular - - Cable RE13 20 (Off) mm, 7 (On) mm IP67 100 mA Yes
RS Stock No. 918-6664
Mfr. Part No.541010
BrandPilz
$288.79
Each
units
24 V dc - Plastic - M12 - - PSENcode - - 8 mm IP67 - Yes
RS Stock No. 619-2830
Mfr. Part No.505220
BrandPilz
$189.46
Each
units
24 V dc - Plastic - - - - - - PSENmag 8 mm IP65, IP67 - Yes
RS Stock No. 625-0352
Mfr. Part No.BNS 33-12Z-2187-2M
BrandSchmersal
$110.99
Each
units
120 V ac/dc - Plastic - Cable - - - - BNS33 - IP67 - No
RS Stock No. 617-5150
Mfr. Part No.BNS 33S-12Z
BrandSchmersal
$322.32
Each
units
100 V ac/dc - Stainless Steel - - Safety - - Cable BNS33 8 mm, 18 mm IP69K - No
RS Stock No. 744-8682
Mfr. Part No.570502
BrandPilz
$1,014.40
Each
units
24 V dc - Plastic - 8-Pin - - - - PSENslock 1 mm IP67 - Yes
RS Stock No. 826-4299
Mfr. Part No.139014
BrandIDEM
$221.99
Each
units
250 V ac 2NC 316 Stainless Steel NO 5m cable Rectangular - HYGIEMAG Pre-Wired SMR 10 (Close) mm, 22 (Open) mm IP67, IP69K 1 A Yes
RS Stock No. 746-7334
Mfr. Part No.F3S-TGR-NSPR-21-05
BrandOmron
$283.15
Each
units
24 V dc 2NC/NO Stainless Steel - 5m cable Rectangular - - Pre-Wired F3S-TGR-N_R 22 mm IP67 - Yes
RS Stock No. 780-5629
Mfr. Part No.HS7A-DMP7015
BrandIdec
$176.25
Each
units
24 V dc 2NO/NC Plastic - Cable - - - - HS7A-DMP 8 mm IP67 100 mA Yes
RS Stock No. 464-934
Mfr. Part No.XCSDM379102
$428.45
Each
units
24 V dc 2NO Plastic None 10m cable Coded - Preventa Pre-Cabled XCS-DM 10 mm IP66, IP67, IP69K - Yes
RS Stock No. 797-4860
Mfr. Part No.RE21-SA05
BrandSick
$82.00
Each
units
30 V dc NC Plastic NO M8 Rectangular - - Cable RE21 31 (Off) mm, 6 (On) mm IP67 400 mA Yes
RS Stock No. 617-5273
Mfr. Part No.BNS16 12ZV
BrandSchmersal
$161.79
Each
units
100 V ac/dc - Plastic - - Safety - - 8-Pin M12 Connector BNS16 8 mm, 18 mm IP67 - No
RS Stock No. 797-4857
Mfr. Part No.RE11-SAC
BrandSick
$82.00
Each
units
30 V dc NC Plastic NO M8 Rectangular - - 4-Pin M8 Connector RE11 12 (Off) mm, 3 (On) mm IP67 400 mA Yes
RS Stock No. 824-4927
Mfr. Part No.506411
BrandPilz
$170.85
Each
units
24 V dc 2NO Plastic - M8 Square - PSENmag PCB Pin - 3 mm IP67 - Yes
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