Relay basic panel for analogical head offices series ZP3. He has LCD screen of 4 X 40 characters, keys of control and indicators type LED for all the events of the system. Wired up of 4 threads to the head office across port RS485 and 24 Vcc of up to 2000 meters. It needs card ZP3AB-SCB-D for his connection to the head office. Dimensions 360 x 220 x 55 mm.