The SDM120DB is a basic kWh meter with a fixed pulse output. This is a low cost solutionm for measutring low load circuits (45A rated) .
All SDM120 meters are housed in a 1U Dinrail mounted housing. They also come complete with sealable terminal covers to stop any tampering with the connections.
Technical Data:
- Voltage AC (Un) 230V
- Voltage range -30% to +30% of Un
- Base current(Ib) 5A
- Max current(Imax) 45A
- Starting current (mA) 0.4% of Ib
- Power consumption of current ≤2W / 10VA
- Frequency (Hz) 50/60 (±10%)
- Accuracy 1.0
- Standards IEC 62053-21
- Memory back-up EEprom
- Operating-10°C to +50°C
- Storing -30°C to +70°C
- Upper material Polycarbonate
- Lower material Polycarbonate/glass fibre
- Operating humidity 75%
- Storing humidity 95%
- Protection against dust and water IP40
- Insulating encased meter II
- AC voltage withstand 2KV for 1 minute
- Impulse voltage withstand 6KV – 1.2µS waveform
- Current withstand 30Imax for 0.01s
- Pulse output rate 2000 imp/kWh