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The E-T-A 3120-F321-P7T1-W09D-0.4A is a two-pole thermal circuit breaker designed for overcurrent protection. It features a rocker actuator and is suitable for panel mounting.
This circuit breaker has a current rating of 400mA and can handle voltages up to 250VAC and 50VDC. It is built with a bimetal trip element and offers reliable switching behavior, being positively trip-free. The device is compliant with several international standards including IEC 60934 and UL1077.
Typical applications for this type of circuit breaker include overload protection for motors, pumps, transformers, and cables. It is also suitable for use in medical and laboratory equipment, apparatus and machine construction, professional tools, household and garden appliances, office machines, and audio equipment.
Key technical data includes an ambient temperature range of -30 to 60°C and an interrupting capacity of 150A for single pole and 250A for double pole configurations. The degree of protection for the operating area is IP40.
| 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 400mA.
It is rated for 250VAC and 50VDC.
It is a thermal breaker.
It has 2 poles.
It uses panel mounting.
It has a dielectric strength of 3000 V AC pole to pole.
It has a typical life of 30,000 operations at 1 x IN, inductive.