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This E-T-A 447 series circuit breaker is a single-pole, thermal-magnetic type designed for high-performance applications. It offers a robust current rating of 400A and a voltage rating of 28VDC, making it suitable for heavy-duty electrical systems.
The breaker features a tease-free, trip-free, press-to-reset snap action mechanism with a dual-button manual release to prevent unintended disconnection. It is designed for surface mounting with screw terminals and insertion nuts.
Key technical data includes an interrupting capacity of 10,000A, an operating temperature range of -55°C to +75°C, and a degree of protection of IP40 for the operating area. Optional features like auxiliary contacts and remote electrical disconnection are available.
Typical applications include heavy-duty vehicles, battery systems, and process control where reliable circuit protection is essential.
| 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 400A.
The voltage rating is 28 VDC.
It is a thermal magnetic circuit breaker.
This is a single pole circuit breaker.
The mounting type is chassis mount.
The operating temperature range is -55°C to +75°C.
The interrupting capacity is 10,000 A.