G68-1174P G68-1174P-24VDC G68-1174P-FD-US G68-1174P-FD-US+G68-1174P-FD-U G68-1174P-FD-US-24VDC G68-1174P-US-24VDC G68-1174P-US-5VDC G681LT1Uf G681W G682