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The E-T-A 3120-F321-P7T1-W19DG3-20A is a thermal circuit breaker designed for overload protection of motors, pumps, transformers, and cables. It features a bimetal trip element and is suitable for applications requiring reliable switching behavior, such as medical and laboratory equipment, apparatus and machine construction, professional tools, and household appliances.
This circuit breaker has a current rating of 20A and a voltage rating of 250V. It is a 2-pole unit with a rocker actuator and a panel mount type. The device offers international approvals including CSA C22.2 No 235, GB 17701, IEC 60934, and UL1077. It operates within an ambient temperature range of -30 to 60 °C.
Additional features and options are available, including illumination (green, 115V nominal), water splash protection, auxiliary contacts, and various trip types. The datasheet specifies a typical life of 30,000 operations at 1 x IN for AC 240V and DC 50V applications.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The current rating is 20A.
The voltage rating is 250V.
It has 2 poles.
It uses a rocker actuator.
The mounting type is Panel Mount.
The ambient temperature range is -30 to 60 °C.
The typical life is 30,000 operations at 1 x IN, inductive for AC 240V.