FCA-125-3 is a military/aerospace mid-range relay from the FCA 25 Amp Relay Series, designed for demanding applications requiring reliable switching performance. It features a DC actuating system with a polarized, monostable magnetic system, a coil rated at 28 VDC with 320 O resistance, and a 1 Form C (SPDT) contact arrangement. The relay is hermetically sealed with a raised vertical flange mount configuration and solder hook terminal configuration with tin-lead plating. It meets government/industry qualification M6106/19-003 and offers robust shock resistance of 200G's at 6ms and vibration resistance of 30G's from 10 to 3000Hz. This relay is ideal for military and aerospace applications where high reliability and environmental resistance are critical.