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Monophase STS Prepaid Meters , Build - In Load Swtich Electricity Prepayment Meter
The DDSY168 is applied for a broad rang of STS prepayment applications, Thanks to an improved dynamic range enabling a basic current of 5 Amp while retaining a maximum current of 80 Amp and expanded functional features.DDSY168 is a compact and keypad-based design in a BS8565 standard housing and maintains the rugged RF immunity withstand of 30V/m and IP54 rating, allowing it to be installed in harsh environments.
As meter manufacturers, we not only produce BS mounting devices, 35mm DIN RAIL is also one of our most popular meters. Both types can work with a customer interface unit as CIU and gives consumers great convenience inquring their usage without steppiing out of their homes..
DDSY168 single phase prepayment meters provide an integrated solution for middle income consumers and are ideal for retrofit applications, due to the BS footprint. The feature rich device provides enhanced tamper protection, thermal shutdown, as well as programmable under and over voltage and reverse energy measurement.
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Features
1) Programmable under and over voltage trip
2) Enhanced tamper detection
3) Reverse energy measurement
4) Display trip condition
5) Tamper shutdown protection
6) Delayed reconnection
7) IP 54 rated
Key benefits
a) PLC/ RF / GPRS communication (On request)
b) Time of Use (TOU) , multi-tariff, holiday setting
c) Easy connection to User Interface Unit (UIU) for split type applications
d) 15 year designed life
e) Enhanced revenue protection through flexible payment control
Specifications:
Nominal voltage Un | 220/230/240 V |
Limited voltage | 70%~120%Un |
Nominal frequency fn | 50-60Hz+5% |
Basic current(Ib) | 5-10A |
Maximum current(Imax) | 60-100A |
Starting current(Ist) | 20mA |
Active energy constant | 1000imp/kWh |
Accuracy as Active energy to IEC6205321 | Class1.0 |
Power consumption in Voltage circuit | <2W <8VA |
Power consumption in current circuit | <1VA |
Operating temperature | 25 to+70 |
Storage temperature | 40 to+85 |
Insulation level | 4kV rms for 1min |
Impulse voltage withstand | 8kV, 1.2/50 μs |
Air discharge | 16kV |
Immunity to HF fields |
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80MHz to 2GHz with load | 10V/m |