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The E-T-A 3120-F321-P7T1-W04D-20A is a thermal circuit breaker designed for overload protection of motors, pumps, transformers, and cables. It functions as an ON/OFF switch with integral overcurrent protection, utilizing a bimetal trip element.
This 2-pole breaker has a current rating of 20A and a voltage rating of 250VAC or 50VDC. It features a rocker actuator for operation and is designed for panel mounting. The breaker offers reliable switching behavior with a positively trip-free mechanism.
Key technical data includes an ambient temperature range of -30 to 60°C and an insulation coordination of 2.5 kV /2 reinforced insulation. It meets various approval standards including CSA C22.2 No 235, GB 17701, IEC 60934, and UL1077. The typical life expectancy is rated for 30,000 to 50,000 operations depending on the conditions.
Typical applications for this circuit breaker include medical and laboratory equipment, apparatus and machine construction, professional tools, household and garden appliances, office machines, audio equipment, and machine tools.
| 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.
It has a voltage rating of 250VAC and 50VDC.
This circuit breaker has 2 poles.
It uses a rocker actuator.
The mounting type is Panel Mount.
The ambient temperature range is -30 to 60°C.
Typical applications include medical and laboratory equipment, apparatus and machine construction, professional tools, household and garden appliances, office machines, audio equipment, and machine tools.