Siemens 3RU21164AB0 Overload Relay

Siemens 3RU21164AB0 Overload Relay

Siemens 3RU21164AB0 Overload Relay

• They are often integrated into motor control panels and are part of a motor starter or motor control circuit. They are commonly use in industrial and commercial settings where motors power a wide range of machinery and equipment. The overload relay monitors the current flowing through the motor. It does this by using a current sensor, such as a thermal element (often a bimetallic strip) or electronic current measurement circuit.  Overload relays protect motors from overheating, which can lead to motor burnout or damage to winding insulation.

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