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The E-T-A 3120-N521-H7T1-W19FG3-20A is a thermal circuit breaker that combines overcurrent protection with an ON/OFF switch function. It features a 2-pole configuration and a 20A current rating, suitable for various applications.
This circuit breaker is designed for panel mounting and utilizes a rocker actuator for operation. It has a voltage rating of 415V and is approved by agencies including CSA, GB, IEC, and UL. The device also includes illumination features with a green indicator at a nominal voltage of 115V.
Key electrical specifications include a rated voltage of 240VAC and 50VDC, with a current rating range from 0.1A to 20A. The datasheet indicates typical life cycles of 30,000 to 50,000 depending on pole configuration and load type.
Typical applications for this type of thermal circuit breaker include medical and laboratory equipment, apparatus and machine construction, professional tools, household and garden appliances, office machines, audio equipment, and machine tools.
The operating voltage is 415V. The rated voltage is 240VAC and 50VDC.
The current rating is 20A.
It is a 2-pole circuit breaker.
It is a thermal circuit breaker.
It is panel mounted with a rocker actuator.
Yes, it has green illumination at a nominal voltage of 115V.
It is approved to CSA C22.2 No 235, GB 17701, IEC 60934, and UL1077.