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Safety Switches & Relays

A safety relay is a device that monitors for potential errors or faults in machinery or plants and works to prevent injury and reduce risk. When an error occurs, the safety relay initiates a response to bring the risk back to a safe, acceptable level. Safety relays protect both machinery and employees, preventing potential expensive maintenance and equipment replacement.Example functions include initiating a controlled pause in machinery or equipment to safely stop movement. They can also be used as an emergency stop mechanism, switching off the power to particular machinery or plants.Single function or multi-function?Safety relays can be single function or multi-function. Single function relays monitor a specific type of activity while multi-function safety relays can monitor different functions. Multi-function safety relays can be used in place of several single function, individual units.The benefits of using multi-function relays include simpler installation and less wiring. As fewer individual units are needed, using multi-function relays can also free up panel space. Multi-function safety relays give you greater flexibility to make changes within the design or panel.Where would you find a safety relay?Safety relays are often found in the following control devices:Two hand controls Movable guardsLight curtains, light barriers and light gridsMagnetic switchesSafety mats and pressure sensitive matsThree position devicesNon-contact safety sensorsSafety switchesEmergency stop buttonsWho uses them?Anyone can integrate a safety relay within a circuit to create a safety circuit without any specific training.

Showing 25–48 of 99 results

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  • Product image for Safety Relay,3PST-NO,2 ch,auto-reset

    Omron 24V ac/dc Safety Relay - Dual Channel With 3 Safety Contacts , 1 Auxiliary Contact

    RS Stock No.
    7579304
    Brand
    Omron
    Mfr. Prt No.
    G9SB-3012-A AC/DC24
    VND
    9,691,948.64
  • Product image for Safety Relay 3PST-NO, 1 NC manual-reset

    Omron 24V ac/dc Safety Relay - Dual Channel With 3 Safety Contacts , 1 Auxiliary Contact, Manual Reset

    RS Stock No.
    0549603
    Brand
    Omron
    Mfr. Prt No.
    G9SB301DACDC24
    VND
    9,859,616.80
  • Product image for Expandable Relay 3PST-NO, 1 NC

    Omron 24V ac/dc Safety Relay - Single or Dual Channel With 3 Safety Contacts , 1 Auxiliary Contact

    RS Stock No.
    0549609
    Brand
    Omron
    Mfr. Prt No.
    G9SA-301 24AC/DC
    VND
    6,754,686.40

  • Omron 24V dc Safety Relay -

    VND
    0.00
  • Product image for G9SE Safety Relay, DPST-NO,w/o off delay

    Omron 24V dc Safety Relay - Dual Channel With 2 Safety Contacts , 1 Auxiliary Contact

    RS Stock No.
    8903389
    Brand
    Omron
    Mfr. Prt No.
    G9SE-201-DC24
    VND
    0.00
  • Product image for G9SE SAFETY RELAY, DPST-NO,30S OFF DELAY

    Omron 24V dc Safety Relay - Dual Channel With 2 Safety Contacts , 1 Auxiliary Contact

    RS Stock No.
    8903395
    Brand
    Omron
    Mfr. Prt No.
    G9SE-221-T30-DC24
    VND
    5,008,558.72
  • -8.40%
    Product image for G9SE Safety Relay, DPST-NO, 5s off delay

    Omron 24V dc Safety Relay - Dual Channel With 2 Safety Contacts , 1 Auxiliary Contact

    RS Stock No.
    8903386
    Brand
    Omron
    Mfr. Prt No.
    G9SE-221-T05-DC24
    VND
    5,814,670.40
    VND
    3,878,045.60
  • Product image for G9SE Safety Relay, 4PST-NO,w/o off delay

    Omron 24V dc Safety Relay - Dual Channel With 4 Safety Contacts , 1 Auxiliary Contact

    RS Stock No.
    8903382
    Brand
    Omron
    Mfr. Prt No.
    G9SE-401-DC24
    VND
    4,952,733.28
  • Product image for Phoenix Contact 24 - 230 V Safety Relay - Dual Channel With 2 Safety Contacts with None Auxiliary Contact, Compatible

    Phoenix Contact 24 → 230V ac/dc Safety Relay - Dual Channel With 2 Safety Contacts , 0 Auxiliary Contact

    RS Stock No.
    2015730
    Brand
    Phoenix Contact
    Mfr. Prt No.
    2700582
    VND
    6,449,277.12
  • Product image for PSR-SCP- 24UC/THC4/2X1/1X2

    Phoenix Contact 24V ac/dc Safety Relay - Dual Channel With 2 Safety Contacts , 1 Auxiliary Contact

    RS Stock No.
    6667050
    Brand
    Phoenix Contact
    Mfr. Prt No.
    2963721
    VND
    8,581,386.88
  • Product image for PSR-SCP-24UC/ESA4/2X1/1X2

    Phoenix Contact 24V ac/dc Safety Relay - Dual Channel With 2 Safety Contacts , 1 Auxiliary Contact

    RS Stock No.
    6667047
    Brand
    Phoenix Contact
    Mfr. Prt No.
    2963750
    VND
    7,895,750.72
  • Product image for Safety relay to emergency stop

    Phoenix Contact 24V ac/dc Safety Relay - Dual Channel With 3 Safety Contacts , 1 Auxiliary Contact

    RS Stock No.
    7427471
    Brand
    Phoenix Contact
    Mfr. Prt No.
    2981059
    VND
    7,375,864.32
  • Product image for PSR-SCP-24UC/ESA4/3X1/1X2/B

    Phoenix Contact 24V ac/dc Safety Relay - Dual Channel With 3 Safety Contacts , 1 Auxiliary Contact

    RS Stock No.
    6667040
    Brand
    Phoenix Contact
    Mfr. Prt No.
    2963763
    VND
    6,642,651.84
  • Product image for PSR-SCP-24UC/ESA2/4X1/1X2/B

    Phoenix Contact 24V ac/dc Safety Relay - Single Channel With 4 Safety Contacts , 1 Auxiliary Contact

    RS Stock No.
    6667044
    Brand
    Phoenix Contact
    Mfr. Prt No.
    2963802
    VND
    5,880,663.36
  • Product image for PSR-SCP-24UC/ESAM4/3X1/1X2/B

    Phoenix Contact 24V ac/dc Safety Relay - Single or Dual Channel With 3 Safety Contacts , 1 Auxiliary Contact

    RS Stock No.
    7125250
    Brand
    Phoenix Contact
    Mfr. Prt No.
    2900509
    VND
    7,993,589.12
  • Product image for PSR-SCP-24UC/ESAM4/8X1/1X2

    Phoenix Contact 24V ac/dc Safety Relay - Single or Dual Channel With 8 Safety Contacts , 1 Auxiliary Contact

    RS Stock No.
    6667038
    Brand
    Phoenix Contact
    Mfr. Prt No.
    2963912
    VND
    15,790,158.56
  • Product image for PSR-SCP-24DC/ESD /4X1/30

    Phoenix Contact 24V dc Safety Relay - Dual Channel With 2 Safety Contacts 2 Auxiliary Contacts

    RS Stock No.
    6667056
    Brand
    Phoenix Contact
    Mfr. Prt No.
    2981800
    VND
    10,223,345.44
  • Product image for PSR-SCP-24DC/ESD/5X1/1X2/300

    Phoenix Contact 24V dc Safety Relay - Dual Channel With 6 Safety Contacts

    RS Stock No.
    6667053
    Brand
    Phoenix Contact
    Mfr. Prt No.
    2981428
    VND
    16,200,312.48
  • Product image for Relais de couplage 24VCC pour automates

    Phoenix Contact 24V dc Safety Relay - Single Channel With 1 Safety Contact , Manual Reset

    RS Stock No.
    1774033
    Brand
    Phoenix Contact
    Mfr. Prt No.
    2702192
    VND
    3,610,812.48
  • Product image for PSR-SCP-24DC/ESP4/2X1/1X2

    Phoenix Contact 24V dc Safety Relay - Single Channel With 3 Safety Contacts

    RS Stock No.
    6667022
    Brand
    Phoenix Contact
    Mfr. Prt No.
    2981020
    VND
    7,745,156.32
  • Product image for PSR-SPP- 24DC/FSP2/2X1/1X2

    Phoenix Contact 24V dc Safety Relay - With 3 Safety Contacts

    RS Stock No.
    7125266
    Brand
    Phoenix Contact
    Mfr. Prt No.
    2986588
    VND
    4,833,408.80
  • Product image for PSR-SCP- 24DC/FSP2/2X1/1X2

    Phoenix Contact 24V dc Safety Relay - With 3 Safety Contacts

    RS Stock No.
    7125263
    Brand
    Phoenix Contact
    Mfr. Prt No.
    2986575
    VND
    5,279,053.12
  • Product image for PSR-SCP- 24DC/FSP/2X1/1X2

    Phoenix Contact 24V dc Safety Relay - With 3 Safety Contacts

    RS Stock No.
    7125260
    Brand
    Phoenix Contact
    Mfr. Prt No.
    2986960
    VND
    6,980,482.08