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[Sensata Technologies] How integrated thermal protection technology can prevent SSR failure in industrial systems
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2017.11.14  15:34:50
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By Sensata Technologies (www.sensata.com)

Solid state relays provide robust solutions for electronic switching in load control applications and hold many advantages over electromechanical relays. New, emerging solid state relay designs offer integrated thermal protection that can prevent overheating and improve system safety, efficiency and longevity.
-By Rogelio Castañeda and Oscar Rivera, Sensata Technologies

   
 

What do large industrial/commercial HVAC and refrigeration systems, heavy duty transportation, conveyor belts, assembly lines, medical, energy and other complex manufacturing systems all have in common? Motors. Big and expensive electrical motors that, if they overheat, can be damaged or even destroyed.

Most large motor driven machinery requires a system attached to the motor’s power supply that will sense overheating and turn off the motor to prevent this damage. In many cases, this device is an electrical relay that turns power on and off. There are two main types of these relays – electro-mechanical (EMRs) and solid state (SSRs)...

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