Also known as: TR., TR-
TR stands for various terms. Discover the full forms, meanings, and possible interpretations of TR across different fields and industries.
A type of relay that uses a melting alloy to activate mechanical devices to open a circuit in the case of overload. motor overload protection. The use of devices such as overload relays to open the circuit in the event of an overload to prevent the motor from overheating.
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