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This E-T-A 447-K-H-FN-300A is a single-pole, thermal-magnetic circuit breaker designed for high-performance applications. It offers a robust current rating of 300A and a voltage rating of 28VDC, making it suitable for heavy-duty vehicles, battery systems, and process control.
The circuit 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 has an interrupting capacity of 10,000A.
Environmental specifications include an operating temperature range of -55 to +75 °C and a degree of protection of IP40 for the operating area. The breaker also meets vibration and shock resistance standards, as well as corrosion resistance requirements for demanding environments.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The voltage rating is 28 VDC.
The current rating is 300A.
This circuit breaker has 1 pole.
It is a Thermal Magnetic breaker.
The mounting type is Chassis Mount.
The operating temperature range is -55 to +75 °C.
The interrupting capacity is 10,000 A.