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The E-T-A 3120-N321-P7T1-W19DG4-3A 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 and is suitable for overload protection of motors, pumps, transformers, and cables.
This circuit breaker has a current rating of 3A and a voltage rating of 415V. It features a panel mount design with a rocker actuator and green illumination at 230V. The device is approved by CSA, GB, IEC, and UL standards.
Key features include a positively trip-free mechanism for reliable disconnection, quick and easy resettability after tripping, and suitability for medical equipment according to IEC/EN 60601. Its compact design and expandable functionality with add-on modules make it a versatile component for various applications.
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 current rating is 3A.
It supports 240VAC and 50VDC.
It is a 2-pole circuit breaker.
It uses a rocker actuator.
It is designed for panel mounting.
Yes, it has green illumination with a nominal voltage of 230V.
The typical life is 50,000 cycles at 1 x IN, inductive for the 2-pole configuration at AC 240V.