Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B50.0 found under Thermal Release Cir by Schneider Electric Usa Inc. The National Stock Number assigned to this part is 5925005009354, and the Federal Supply Class is 5925 Circuit Breakers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like B50.0.