Bosean BH-50 Dual multi-function host alarm control cabinet

The external ports of the BOSEAN BH-50 wall-mounted gas control cabinet are dual, the working Voltage is AC 220V ± 10%, 50Hz, the system power consumption is ≤ 10W (no external equipment), the signal input is 3-wire 4~ 20mA or 4-wire RS485, and the signal output is 2-wire RS485 (MODBUS).