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This E-T-A 3120-N521-PTT1-W02D-15A is a two-pole thermal circuit breaker designed for overcurrent protection. It combines the functions of overcurrent protection and an ON/OFF switch in a single component, utilizing a thermal bimetal trip element.
Key electrical specifications include a voltage rating of 415V and a current rating of 15A. The breaker type is thermal, and it is designed for panel mounting with a rocker actuator. The internal resistance is less than 0.02Ω.
This circuit breaker is suitable for overload protection of motors, pumps, transformers, and cables. It offers reliable and quick resetting after tripping. The positively trip-free mechanism ensures reliable disconnection even with a blocked actuator. It is also suitable for use in medical equipment according to IEC/EN 60601.
Typical applications 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.
The current rating is 15A.
It has 2 poles.
It is a thermal circuit breaker.
It is a panel mount type.
The actuator type is rocker.
The approval agencies are CSA C22.2 No 235, GB 17701, IEC 60934, UL1077.