856a2577p01 is a high-performance avionics circuit breaker module, a key component in the electrical systems of commercial aircraft like boeing 737 max and airbus a320neo, compliant with faa tso-c24 and as9100 aerospace standards. it serves as a critical overcurrent protection device for avionics bays, safeguarding navigation systems, flight control computers, and communication transceivers from electrical surges and short circuits during flight and ground maintenance operations.\n\ncrafted from flame-retardant polycarbonate with silver-plated copper contacts, it withstands extreme temperature ranges (-55°c to 125°c) and vibration levels up to 20g. rated for 20a at 28v dc, it features a trip-time delay of 0.1-0.5 seconds to prevent false triggering, ensuring uninterrupted power to essential avionics while enabling quick replacement during mro tasks to minimize aircraft downtime.
Full technical pack — materials, tolerances, and inspection records — ships with every unit.
Our in-house engineering team can manufacture custom tooling to match your exact requirements — from one-off airline-specific variants to OEM-equivalent production tools.
This fixture is qualified for use across the following engine and aircraft platforms.
Frequently inquired alongside this fixture — based on shared engine and aircraft platforms.
