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The E-T-A 3120-N321-P7T1-W16DT4-8A is a two-pole thermal circuit breaker that combines overcurrent protection with the function of an ON/OFF switch. It utilizes a thermal-bimetal trip element for reliable overload protection of motors, pumps, transformers, and cables. This device can be easily and quickly reset after tripping.
Key electrical specifications include a current rating of 8A and a voltage rating of 415V AC. The circuit breaker is designed for panel mounting and features a rocker actuator. It also includes illumination with a blue indicator at a nominal voltage of 230V.
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. Its design ensures maximum equipment availability through overload protection matched to loads and quick resettability, reducing mounting and wiring time.
The circuit breaker is rated for 240V AC, 50V DC, and 415V.
The current rating is 8A.
It has 2 poles.
It has a rocker actuator.
Yes, it has blue illumination with a nominal voltage of 230V.
The typical life is 50,000 cycles under inductive load at rated voltage for the 2-pole configuration.
It is approved to CSA C22.2 No 235, GB 17701, IEC 60934, and UL1077.