Acrel DJSF1352-RN DC energy meter with dual DC input is mainly designed for telecom base station, DC charging pile, solar photovoltaic and other applications. This series of meters can measure voltage, current, power and positive and negative energy in the DC system. Features UL Listed Measurement: kWh, kVarh, Power, Current, Voltage and etc Current Rating: -/75mV (with Shunt); -/4~20mA (with Hall Sensor) Voltage Rating: 0~1000V DC Application: DC Battery; Charging Pile; Solar PV and etc Communication: RS485 (MODBUS-RTU) Extra Function: Dual DC Circuits Monitoring; Secondary RS485 (MODBUS-RTU); Built-in Bipolar Power Source (for Hall Sensors); DO/DI Function Display: LCD Display Dimension: 72*71*87.8mm (L*W*H) Installation: 35mm DIN Rail Power Supply: 85~265V AC/DC; 24V(±10%) DC; 48V(±10%) DC Standard & Certificate: CE