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This E-T-A 446-S-H-N-250A is a high-performance, single-pole, thermal-magnetic circuit breaker designed for demanding applications. It offers a robust current rating of 250A and a voltage rating of 28V DC, making it suitable for heavy-duty vehicle and battery system applications.
The breaker features a reliable push-to-reset actuator and a compact, surface-mounted design. It is designed with a tease-free, trip-free, snap-action mechanism to ensure safe and dependable operation. The unit is built to withstand harsh environmental conditions, including vibration, shock, and corrosion, as indicated by its compliance with relevant military standards.
With an interrupting capacity of 10,000A and an IP40 degree of protection for the operating area, this circuit breaker provides essential overcurrent protection. Options for auxiliary contacts and remote electrical disconnection are available for enhanced system integration.
Key specifications include a wide operating temperature range of -55°C to +75°C and a mechanical life of 2,000 operations. Approvals from CSA and UL further attest to its quality and reliability.
| 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 250A.
The voltage rating is 28 V DC.
It is a thermal magnetic circuit breaker.
It is a chassis mount type.
The ambient temperature range is -55°C to +75°C.
The interrupting capacity is 10,000 A.