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The E-T-A 3120-N321-P7T1-W12LY4-4A is a thermal circuit breaker that combines overcurrent protection with the function of an ON/OFF switch. This two-pole device utilizes a thermal-bimetal trip element and is suitable for overload protection of motors, pumps, transformers, and cables.
Key electrical specifications include a rated voltage of 415V and a current rating of 4A. The current rating range for this series is 0.1 to 20A. It offers a typical life of 30,000 cycles.
Mechanically, the circuit breaker features a panel mount design with a rocker actuator and white illumination. It is approved by CSA, GB, IEC, and UL standards.
Typical applications for this series include medical and laboratory equipment, apparatus and machine construction, professional tools, household and garden appliances, office machines, audio equipment, and machine tools.
The voltage rating is 415V AC, with additional ratings of 240VAC and 50VDC.
The current rating is 4A.
It has 2 poles.
It is a thermal circuit breaker.
The mounting type is panel mount.
The actuator type is rocker.
It is approved to CSA C22.2 No 235, GB 17701, IEC 60934, and UL1077.