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This E-T-A 3120-N thermal circuit breaker combines overcurrent protection with an ON/OFF switch function. It is designed for overload protection of motors, pumps, transformers, and cables, offering reliable tripping and easy reset.
Key electrical specifications include a 20A current rating and voltage ratings of 415V AC and 50V DC. This 2-pole unit features a pushbutton actuator and is suitable for panel mounting. The internal resistance varies with current rating, with values as low as < 0.02 Ohm at 10A.
Typical applications for this circuit breaker include medical and laboratory equipment, apparatus and machine construction, professional tools, and household appliances. It is designed for high equipment availability through overload protection matched to loads and quick resettability. The device is approved by CSA, GB, IEC, and UL standards.
| 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 AC and 50V DC.
The current rating is 20A.
This circuit breaker has 2 poles.
It is a thermal circuit breaker.
The mounting type is Panel Mount.
Approval agencies include CSA C22.2 No 235, GB 17701, IEC 60934, and UL1077.