A thermal overload relay is an electrical protection device used to protect electric motors and other equipment from overheating due to excessive current draw or sustained overcurrent conditions. It is a critical component in motor control circuits and is designed to prevent damage to motors and electrical systems by disconnecting the power supply when abnormal conditions are detected.
Thermal overload relays play a critical role in preventing motors and electrical equipment from overheating, which can lead to equipment damage or even fires. They are commonly used in industrial settings, such as manufacturing plants and commercial facilities, where motors are an integral part of the operation.
Current class(A) 93
Phase failure protection function Yes
Automatic & manual reset Yes
Temperature compensation Yes
Tripping indicator Yes
Test & stop pushbutton Yes
Aux Contacts
Rated current (A) (AC-15 220V) 2.73
Rated current (A) (AC-15 380V) 1.58
Rated current (A) (DC-13 220V) 0.2
No. of Aux contacts 1N/O+1N/C
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