The TE Connectivity / CII Brand part FCA-210-AY4 is an electromechanical relay designed specifically for military applications. It operates at a voltage of 28VDC and can handle a current of up to 10A. This relay features a double pole double throw (DPDT) configuration, allowing it to control two independent circuits. It comes with a socket for easy installation and maintenance. With its robust construction and reliable performance, the FCA-210-AY4 is a trusted choice for demanding military applications requiring high switching capabilities.