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The E-T-A 446-K-H-N-40A is a high-performance, single-pole thermal-magnetic circuit breaker designed for demanding applications. It features a tease-free, trip-free, press-to-reset snap-action mechanism and a dual-button manual release to prevent unintended disconnection.
This circuit breaker has a current rating of 40A and a voltage rating of 28VDC. It is designed for chassis mounting and has a push-to-reset actuator. The breaker is approved by CSA C22.2 No 235 and UL1077.
Key technical specifications include an operating temperature range of -55 to +75 °C, an interrupting capacity of 10,000A, and a degree of protection of IP40 for the operating area. It also meets vibration, shock, and corrosion resistance standards.
Typical applications for this series include heavy-duty vehicles, battery systems, and process control. The compact, surface-mounted design makes it suitable for various installations.
| 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 40A.
The voltage rating is 28 VDC.
It is designed for chassis mounting.
The operating temperature range is -55 to +75 °C.
The interrupting capacity is 10,000 A.
The degree of protection for the operating area is IP40.