CB (P/N 1963121) - New Surplus

Part 1963121 is an aircraft circuit breaker designed to protect electrical wiring and components from overcurrent damage. The breaker interrupts power flow when current exceeds safe limits, preventing fires and equipment damage in power distribution and avionics circuits. Installed on aircraft breaker panels, it provides automatic protection for various electrical loads.

Select the correct amperage rating based on wire gauge and circuit requirements per your aircraft maintenance manual. Verify compatibility with your Illustrated Parts Catalog before installation.

What is the CB (P/N 1963121)?

Part 1963121 is an aircraft circuit breaker designed to protect electrical wiring and components from overcurrent damage. The breaker interrupts power flow when current exceeds safe limits, preventing fires and equipment damage in power distribution and avionics circuits.

What conditions is the 1963121 available in?

The 1963121 is currently available in the following conditions: New Surplus. Each condition reflects the part's maintenance history and certification status per FAA standards.

How do I get pricing for the 1963121?

The 1963121 requires a custom quote. Submit a Request for Quote (RFQ) through our website or call our sales team at (904) 998-9101 for immediate pricing assistance.

Do you offer expedited shipping for the 1963121?

Yes, we offer same-day processing on in-stock items and provide 24/7 AOG (Aircraft on Ground) support for urgent needs. Standard, expedited, and overnight shipping options are available.