SDM120D Digital Kilowatt Hour Meter - Single Phase
Measured Parameters
The SDM120D monitors and displays Imported Active Energy (kWh) of a single phase two wire (1p2w) system.
Technical Data
MID B&D Approved
Operating Humidity 75%
Storage Humidity 95%
Operating Temperature -20°C - +50°C
Storage Temperature -30°C - +70°C
International Standard IEC 62053-21
Accuracy Class 1
Mounting DIN rail (DIN 43880)
Sealing IP51 Indoor
Nominal Voltage Input (Ph+N) 230V AC
Max Continuous Voltage 120% of nominal
AC Voltage Withstand 4KV for 1 minute
Impulse Voltage Withstand 6KV-1.2 S
Reference Input current 0.25A
Base Input Current (Ib) 5A
Maximum Input Current (Imax) 45A AC
Max Continuous Current 120% of nominal
Operational Current Range 0.4% Ib-Imax
Over current withstand 20Imax for 0.01s
Frequency 50Hz (±10%)
Power Consumption 2W/10VA/phase
Pulsed Output 1000IMP/kWh
