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This E-T-A 449-K-H-FN-SI-315A is a high-performance, single-pole, thermal-magnetic circuit breaker designed for demanding applications. It offers a robust 315A current rating and operates at up to 28VDC.
The breaker utilizes a tease-free, trip-free, snap-action mechanism with a convenient push-to-reset actuator. Its compact, surface-mounted design is suitable for chassis mounting.
Key technical specifications include an interrupting capacity of 10,000A, an operating temperature range of -55°C to +75°C, and an IP40 degree of protection for the operating area. It also meets vibration, shock, and corrosion resistance standards.
Typical applications for this type of circuit breaker include heavy-duty vehicles, battery systems, and process control systems where reliable overcurrent 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 315A.
The voltage rating is 28 VDC.
It is a thermal-magnetic circuit breaker.
It is designed for chassis mounting.
The operating temperature range is -55°C to +75°C.
The interrupting capacity is 10,000A.