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The E-T-A 3120-F series thermal circuit breaker is an ON/OFF switch with integral overcurrent protection, utilizing a bimetal trip element. It is suitable for overload protection of motors, pumps, transformers, and cables.
This specific model features a 10A current rating and can handle up to 250V AC and 50V DC. It has a panel mount design with a rocker actuator and includes green illumination with a nominal voltage of 185V. The breaker is a double-pole unit.
Key technical specifications include a 2.5 kV insulation coordination rating, a dielectric strength of 3000V AC (pole to pole) and 1500V AC (operating area), and an insulation resistance greater than 100 MΩ at 500V DC. The interrupting capacity is 150A for single pole and 250A for double pole at 0.1-2A, and 5000A (UL) at 250V AC. It operates within an ambient temperature range of -30 to 60 °C.
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. It offers reliable switching behavior and convenient snap-in mounting.
| 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 10A.
The AC voltage rating is 250V and the DC voltage rating is 50V.
It features a rocker actuator.
This is a double pole circuit breaker.
The ambient temperature range is -30 to 60 °C.