Eastron SDM530D, User Manual, Page: 4 / 10

Three phase din rial meter
SDM530D
user manual
1.4 Specifications
Meter type SDM530D
SDM530D CT
Nominal voltage (Un) 230/400V AC (3~)
Operational voltage 176/264 – 304/456V AC (3~)
Insulation capabilities
- AC voltage withstand
- Impulse voltage withstand
4KV for 1 minute
6KV – 1.2µS waveform
Basic current (Ib)
Directly connect
CT connect
10A
5A
Maximum rated current (Imax)
Directly connect
CT connect
100A
6A
Operational current range 0.4% Ib- Imax
Over current withstand 30Imax for 0.01s
Operational frequency range 50Hz ±10%
Internal power consumption ≤2W / 10VA per phase
Test output flash rate (PULSE LED)
Directly connect
CT connect
400imp/kWh
1600imp/kWh
Test pulse output rate (pins 8 & 9)
Directly connect
CT connect
400imp/kWh
1600imp/kWh
Power missing indicator (Phase A,B & C LED) the LED will burning if the phase power is missing.
Consumption indicator (PULSE & SO LED) Flashing at load running
1.5 Basic errors
With balanced loads
0.05Ib Cosφ = 1 ±1.5%
0.1Ib Cosφ = 0.5L
Cosφ = 0.8C
±1.5%
±1.5%
0.1Ib - Imax Cosφ = 1 ±1.0%
0.2Ib - Imax Cosφ = 0.5L
Cosφ = 0.8C
±1.0%
±1.0%
With single phase load
0.1Ib - Imax Cosφ = 1 ±2.0%
0.2Ib - Imax Cosφ = 0.5L ±2.0%