smart distribution board (MCB box) – case21
distribution board customsize design: Functions: 1. remote / locally control 20 channel AC220V 1 phase power output by mobile phone and PC application. 2. use DC24v 40A DC contactor. 3. use dry contactor sensor trigger output power. 4. support connect with analog DC 0-5v sensors and digital sensors and DS18B20 temperature sensors. 5. input sensors…