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Electronics Components, Power & Connectors
Electrical, Automation & Cables
Mechanical Products & Tools
IT, Test & Safety Equipment

Safety Relays

pA bsafety relay/b 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./ppExample 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./ph2Single function or multi-function?/h2pSafety 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./ppThe benefits of using bmulti-function relays/b 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./ph2Where would you find a safety relay?/h2pSafety relays are often found in the following control devices:pulliTwo hand controls/li liMovable guards/liliLight curtains, light barriers and light grids/liliMagnetic switches/liliSafety mats and pressure sensitive mats/liliThree position devices/liliNon-contact safety sensors/liliSafety switches/liliEmergency stop buttons/ulh2Who uses them?/h2pAnyone can integrate a safety relay within a circuit to create a safety circuit without any specific training./p

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