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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 49–72 of 99 results

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  • Product image for PSRmini Relay, MS35, 1NO, Screw

    Phoenix Contact PSRmini 24V dc Safety Relay - Dual Channel With 1 Safety Contact , 1 Auxiliary Contact, Manual Reset

    RS Stock No.
    8937727
    Brand
    Phoenix Contact
    Mfr. Prt No.
    2904953
    VND
    4,141,441.92

  • Phoenix Contact PSRmini 24V dc Safety Relay - Dual Channel With 3 Safety Contacts , 3 Auxiliary Contact

    VND
    0.00
  • Product image for PSRMINI RELAY, MC40, 3NO 1DO, SPRING

    Phoenix Contact PSRmini 24V dc Safety Relay - Dual Channel With 3 Safety Contacts , 3 Auxiliary Contact

    RS Stock No.
    8937705
    Brand
    Phoenix Contact
    Mfr. Prt No.
    2700570
    VND
    5,675,202.72
  • Product image for PSRmini Relay, MS20, 1NO 1DO, Screw

    Phoenix Contact PSRmini 24V dc Safety Relay - Single Channel With 1 Safety Contact , 1 Auxiliary Contact, Automatic

    RS Stock No.
    8937711
    Brand
    Phoenix Contact
    Mfr. Prt No.
    2904950
    VND
    4,688,569.60

  • Pilz PNOZ s3 24V dc Safety Relay - Dual Channel With 2 Safety Contacts

    VND
    0.00
  • Product image for PNOZ S3 C 24VDC 2 N/O

    Pilz PNOZ s3 24V dc Safety Relay - Dual Channel With 2 Safety Contacts

    RS Stock No.
    1919855
    Brand
    Pilz
    Mfr. Prt No.
    751103
    VND
    9,566,101.60

  • Pilz PNOZ s7 24V dc Safety Relay - Dual Channel With 4 Safety Contacts , 1 Auxiliary Contact, Automatic Reset

    VND
    0.00
  • Product image for PNOZ S7 C 4 N/O 1 N/C COATED

    Pilz PNOZ s7 24V dc Safety Relay - Dual Channel With 4 Safety Contacts , 1 Auxiliary Contact, Automatic Reset

    RS Stock No.
    1919873
    Brand
    Pilz
    Mfr. Prt No.
    751187
    VND
    7,148,150.24

  • Pilz PNOZ s7.1 24V dc Safety Relay - Dual Channel With 3 Safety Contacts , Automatic Reset

    VND
    0.00
  • Product image for PNOZ S7.1 C 24VDC 3 N/O CASCADE

    Pilz PNOZ s7.1 24V dc Safety Relay - Dual Channel With 3 Safety Contacts , Automatic Reset

    RS Stock No.
    1919869
    Brand
    Pilz
    Mfr. Prt No.
    751167
    VND
    4,882,903.52

  • Pilz PNOZ s7.2 24V dc Safety Relay - Dual Channel With 4 Safety Contacts , 1 Auxiliary Contact, Automatic Reset

    VND
    0.00
  • Product image for PNOZ S7.2 C 24VDC 4 N/O 1 N/C EXPAND

    Pilz PNOZ s7.2 24V dc Safety Relay - Dual Channel With 4 Safety Contacts , 1 Auxiliary Contact, Automatic Reset

    RS Stock No.
    1919870
    Brand
    Pilz
    Mfr. Prt No.
    751177
    VND
    6,520,066.08
  • Product image for Pilz 24 V dc Safety Relay - Dual Channel With 3 Safety Contacts PNOZ s9 Range with 1 Auxiliary Contact, Compatible

    Pilz PNOZ s9 24V dc Safety Relay - Dual Channel With 3 Safety Contacts , 1 Auxiliary Contact, Manual Reset

    RS Stock No.
    1919859
    Brand
    Pilz
    Mfr. Prt No.
    751109
    VND
    8,458,033.76
  • Product image for PNOZ/X7 EMERGENCY STOP RELAY,230VAC 2NO

    Pilz PNOZ X 230V ac Safety Relay - Single Channel With 2 Safety Contacts

    RS Stock No.
    3247268
    Brand
    Pilz
    Mfr. Prt No.
    774056
    VND
    4,898,826.24
  • Product image for Pilz 24 V dc, 110 V ac Safety Relay - Dual Channel With 3 Safety Contacts PNOZ X Range with 1 Auxiliary Contact,

    Pilz PNOZ X 24 V dc, 110V ac Safety Relay - Dual Channel With 3 Safety Contacts , 1 Auxiliary Contact

    RS Stock No.
    2391061
    Brand
    Pilz
    Mfr. Prt No.
    774314
    VND
    7,543,916.16
  • Product image for Pilz 24 V dc, 230 V ac Safety Relay - Dual Channel With 3 Safety Contacts PNOZ X Range with 1 Auxiliary Contact,

    Pilz PNOZ X 24 V dc, 230V ac Safety Relay - Dual Channel With 3 Safety Contacts , 1 Auxiliary Contact

    RS Stock No.
    2451854
    Brand
    Pilz
    Mfr. Prt No.
    774318
    VND
    10,913,202.08
  • Product image for Pilz 24 → 240 V ac/dc Safety Relay - Single or Dual Channel With 2 Safety Contacts PNOZ X Range with 1 Auxiliary

    Pilz PNOZ X 24 → 240V ac/dc Safety Relay - Single or Dual Channel With 2 Safety Contacts , 1 Auxiliary Contact

    RS Stock No.
    4896394
    Brand
    Pilz
    Mfr. Prt No.
    777949
    VND
    25,284,512.00
  • Product image for Pilz 24 → 240 V ac/dc Safety Relay - Single or Dual Channel With 3 Safety Contacts PNOZ X Range with 1 Auxiliary

    Pilz PNOZ X 24 → 240V ac/dc Safety Relay - Single or Dual Channel With 3 Safety Contacts , 1 Auxiliary Contact,

    RS Stock No.
    4896350
    Brand
    Pilz
    Mfr. Prt No.
    777302
    VND
    8,685,364.16

  • Pilz PNOZ X 24 → 240V ac/dc Safety Relay - Single or Dual Channel With 7 Safety Contacts 2 Auxiliary Contacts

    VND
    0.00
  • Product image for RELAY SAFETY 24VDC 100-240V 7N/O 2N/C

    Pilz PNOZ X 24 → 240V ac/dc Safety Relay - Single or Dual Channel With 7 Safety Contacts 2 Auxiliary Contacts

    RS Stock No.
    4896388
    Brand
    Pilz
    Mfr. Prt No.
    777606
    VND
    16,903,789.76
  • Product image for Pilz 24 V ac/dc Safety Relay - Dual Channel With 2 Safety Contacts PNOZ X Range Compatible With Safety Switch/Interlock

    Pilz PNOZ X 24V ac/dc Safety Relay - Dual Channel With 2 Safety Contacts

    RS Stock No.
    2391055
    Brand
    Pilz
    Mfr. Prt No.
    774306
    VND
    8,069,174.08
  • Product image for Pilz 24 V ac/dc Safety Relay - Dual Channel With 2 Safety Contacts PNOZ X Range Compatible With Light Beam/Curtain,

    Pilz PNOZ X 24V ac/dc Safety Relay - Dual Channel With 2 Safety Contacts , Manual Reset

    RS Stock No.
    2391049
    Brand
    Pilz
    Mfr. Prt No.
    774303
    VND
    9,330,713.92
  • Product image for Pilz 24 V ac/dc Safety Relay - Dual Channel With 3 Safety Contacts PNOZ X Range with 1 Auxiliary Contact, Compatible

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

    RS Stock No.
    2451848
    Brand
    Pilz
    Mfr. Prt No.
    774310
    VND
    10,913,202.08