Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SM3 25A50VDC28 found under Circuit Breaker by Eaton Corporation. The National Stock Number assigned to this part is 5925006158376, 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 SM3 25A50VDC28.