TE Connectivity Power Relays, Over 2 Amps FCA-150-KR4

The FCA-150 series is a hermetically sealed, polarized relay rated for 50 A switching under resistive load, designed for aerospace and military applications. It features a compact one cubic inch package weighing less than 90 grams and operates across a temperature range of -70°C to +125°C at altitudes up to 300,000 ft. The relay meets MIL-PRF-6106 requirements and provides 50,000 minimum mechanical cycles under resistive load. The FCA-150-KR4 variant includes a terminal block with stud power terminals and a raised vertical flange mount, with a 28 VDC coil nominal voltage and optional back EMF suppression. It has a 1 Form X main contact configuration and is non-latching.