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The E-T-A 3120-N321-P7T1-W01D-2.5A is a 2-pole thermal circuit breaker. It is rated for a current of 2.5 A and a voltage of 415 V. The datasheet also lists 240 V AC and 50 V DC voltage ratings, along with a current rating range of 0.1 A to 20 A.
As a thermal breaker, it uses heat generated by overcurrent to trip the switching mechanism, providing overcurrent protection in electrical circuits. The two-pole configuration allows simultaneous protection of both conductors in a circuit.
The part is classified under circuit protection and is designed for circuit breaker applications. Its voltage ratings cover both AC and DC systems, making it usable in a variety of control and power circuits.
The voltage rating is 415 V, with additional ratings of 240 V AC and 50 V DC.
The current rating is 2.5 A. The datasheet specifies a current rating range of 0.1 A to 20 A.
This circuit breaker has 2 poles.
It is a thermal circuit breaker.