DEM021DD SINGLE PHASE ELECTRONIC DIN-RAIL ACTIVE ENERGY METER
Port: Shanghai or Ningbo
Minimum Order Quantity: 50 Piece/Pieces
Supply Ability: 10000 Piece/Pieces per Week
Payment Terms: L/C,Western Union,MoneyGram
Contact Supplier
Packaging Detail: Export standard package
Delivery Detail: 20Days
| Functions and features |
| 1. 35mm standard DIN rail installation, complying with standard DIN EN50022. Or front board installed (mounting holes center distance 63 mm), users can choose any one by themselves. 2. Ten pole width (Modulus 12.5mm), complying with standard JB/T7121-1993. 3. Standard configuration 6 digits display (999999kWh) by step motor impulse register. May select 7 digits display by impulse register (Product Configuration code is BJ). 4. There are a polarity port of pulse output passive closed and a nonpolarity port of pulse output passive distant, the output rate is 10 or 100 imp/kWh (can select). And contact with all kind of AMR system conveniently, Complying with standard IEC 62053-31 and DIN 43864. 5. Four LED instructions respectively power supply state (phase voltage L1 & L3) and signal of closed energy impulse and distant energy impulse. 6. Automatic detection the direction of the flow of load current. And instructions (signal of closed energy impulse is green when working, that is meaning the direction of the flow of load current reverse). 7. Single direction two components measure two phase three wire active energy consumption. It is nothing with direction of the flow of load current. Complying with standard IEC 62053-21. 8. Standard configuration type S wiring (Inlet from bottom, outlet from top) for direct connect operation, we can also choose another type of wiring, and use 5+1 digits display by impulse register, CT (Product Configuration code is CD) and PT & CT (Product Configuration code is BD) for operation. 9. Standard configuration short terminals cover, may select extension terminals cover, in order to protect to use safety. (Product Configuration code is DG). |
Technical parameters
| Model | Accuracy | Reference voltage (V) | Current specifications (A) | Starting current (A) | Insulation performance |
| DEM021DD | Class 1 | 3 x 127 3 x 230 | 5(30) 10(60) 20(100) | 0.02 0.04 0.08 | AC voltage 4kV for 1 minute, 1.2/50us waveform impulse voltage 6kV |
Outer and mount dimension
Wiring diagram (Type S)
| Terminal | Note |
| L1 | L1 phase line |
| L2 | L2 phase line |
| L3 | L3 phase line |
| N | Neutral line |
| 7 and 8 | Port of pulse output passive closed |
| 15 and 16 | Port of pulse output passive distant |
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