Kilo-watt Hour Meter
DDSY523 Electronic Single Phase Kilowatt Hour Meter

1. Application of DDSY523 Kilowatt Hour Meter
DDSY523 adopts large scale special logical circuit and is provided advanced selling electricity appliance and software. It can calculate AC single phase active energy with the rated voltage of 220V and the rated frequency of 50Hz. It has various functions of energy account, load control and customer' information management, etc. It is an ideal product to reform the system of using electricity at present, to realize electric energy commercialization, to solve the problem to collect fees and to carry out actual time monitor and control in using electricity and adjusting the loading state of the electrical net.
2. Specifications of DDSY523 Kilowatt Hour Meter
| Accuracy Rate | Class 1.0 or Class 2.0 |
| Basic Current | 5(20)A or 10(40)A |
| Environment temperature | -25~45°C, ≤85% RH |
| Data protection | Time to be preserved after power shutdown ≥10 yeas |
| Time accuracy at the beginning | ≤0.5S/d |
DDS523 Three-phase Kilowatt Hour Meter
1. Application of DDS523 Three-phase Kilowatt Hour Meter:It is new generation intelligent energy meter which adopts advanced static integrated technology and SMT craft. The products accord with class 1.0 static AC active the phase energy meter of IEC 1063 standard as well. It has the feature of advance principal, simple structure, high accuracy and sensitivity, high reliability, anti-power theft strong overload and so on.
2. Specifications of DDS523 Three-phase Kilowatt Hour Meter:
| Type | Accuracy | Rated Voltage(V) | Rated Current (A) | Manner |
| DTS523-4 | 1.0 | 3×380/220 | 3×2.5(10) 3×5(5) 3×10(40) 3×15(60) 3×20(80) | Direct Connection |
| DTS523-2 | 1.0 | 3×380/220 | 3×1.5(6) | Connection With CT |
| 3×3(6) | Connection With CT |
We can provide you all kinds of electronic components including miniature circuit breaker, earth leakage circuit breaker, AC contactor, Power relay, etc. 
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