Specifications

DD28 single phase mechanical energy meter
1.easy use and install
2.high quality and reasonable price
3.OEM offered

DD28 single phase energy meter

 

Product brief introduction

 

The DD28 type single-phase watt-hour meter is a kind of induction type meter,which is applicable to measure the rated frequency 50Hz and power loss in electrified-wire netting. The meter has novel design, rational structure and features of high overload, low power loss and long life etc

 

 

Technical Parameter

• 1	Basic current (lb) A	3 5 10 15 5 10 20 30
  2	Maximum current(lmax) A	9 15 30 45 20 40 80 100
  3	Overload capacity	300% 400%
  4	Reference voltage Un	110V,120V,220V,230V,240V
  5	Reference frequency fn	50Hz,60Hz
  6	Power loss in voltage circuit	50Hz:≤1.3W/6VA 60Hz:≤1.1W/5.5VA
  7	Power loss in current circuit	≤0.6VA
  8	Running with no-load	0.8~1.1Un
  9	Starting current	0.5%lb
  10	AC voltage test 50Hz,1mm	2kV
  11	Impulse voltage test 1.2/50µs	6kV
  12	Rotor speed At lb	22r/min
  13	Basic torque at lb	4×10-4N·m
  14	Weight of disc	21g
  15	Weoght of meter	1.6kg
  16	Accuracy	Class2

 

 

Wiring Diagram

  

 

 

 

 

 

 

 

 

 

 

 

 

Terminal	Note
1	Inlet phase line
3	Inlet neutral line
4	Outgoing neutral line
5	Outgoing phase line

TYPE1

 

 

 

                                                                                                   

                                                                                                             TYPE2