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This E-T-A 3120-N521-P7T1-W19DG4-4A is a two-pole thermal circuit breaker that combines overcurrent protection with the function of an ON/OFF switch. It is designed for panel mounting and has a current rating of 4A and a voltage rating of 415V.
The trip element is a thermo-bimetal, making it suitable for overload protection of motors, pumps, transformers, and cables. After tripping, it can be reliably reset. The positively trip-free mechanism ensures reliable disconnection even with the actuator blocked.
Typical applications include medical and laboratory equipment, apparatus and machine construction, professional tools, household and garden appliances, office machines, and audio equipment. It is also suitable for use in medical equipment according to IEC/EN 60601.
Features include a rocker actuator type with green illumination at 230V nominal voltage. The internal resistance per pole at 4A is 0.0435Ω.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The voltage rating is 415V.
The current rating is 4A.
It has 2 poles.
It is a thermal circuit breaker.
It is designed for panel mounting.
The internal resistance per pole at 4A is 0.0435Ω.