24v Timer Relay Circuit Bởi nathan tháng 10 31, 2022 Đăng nhận xét 24V Timer Relay Circuit . The coil voltage is applied for about a 1 second duration to latch or unlatch at the coil voltage. Changeover with adjustable timer delay ; March 5, 2013 at 6:33 pm. DC 12V … 24v circuit relay timer