... of 3 phase CE MARK (EMC, LVD), RoHS Mark RS485 communication 35mm DIN Rail mounting IEC ... Network: 3P3W, 3P4W- Frequency: 45 ~ 65Hz- Voltage: AC 3x120/220V, 3x230/400V (programmable); overload: 480V (continuous); ... Altitude: < 2500m 3. Options- Communication (/C) :RS485 (Modbus-RTU); 1 start bit, 8 data bit, 1 stop bit, ... (/P): 2 pulse outputs (open-collector), one for kWh, another for kvarh- Multirate kWh ...