Yueqing Meba Electric Enterprises Co., Ltd.
Main products:Mini Circuit Breaker,Junction Box,Distribution Box,Contactor,Industrial Socket
Products
Contact Us
  • Contact Person : Mr. Lu Collin
  • Company Name : Yueqing Meba Electric Enterprises Co., Ltd.
  • Tel : 86-577-27866868
  • Fax : 86-577-27866767
  • Address : Zhejiang,Yueqing,Houjie Industrial Zone,Liushi,Yueqing,Wenzhou,Zhejiang,China
  • Country/Region : China
  • Zip : 325604

KWH energy meter

KWH energy meter
Product Detailed
MB421AC energy meter, din rail installation 7 digits LCD display, 5+2 digits(99999.91kWh CT operation Class 1 accurancy

MB421AC energy meter, din rail installation,meter

Functions and features1.35mm 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. Type S wiring (Inlet from bottom, outlet from top), use CT connect operation, may select 27 CT ratio, the meter will read directly after set, and needn’t multiplied by CT rate. 4. 7 digits LCD display, 5+2 digits(99999.91kWh, Only when CT ratio 5:5A) or 7 digits display. It is choose by the CT ratio which is set. 5. Six LED instructions power supply state and signal of active energy impulse and reactive energy impulse and data communications state. 6. Standard configuration short terminals cover, may select extension terminals cover, in order to protect to use safety. (Product Configuration code is AF).

Technical parameters:

Model

Accuracy

Reference

Voltage(V)

Current

specifications(A)

Starting

current(A)

Insulation

performance

MB421AC

Active class 1

Reactive class2

3×127/220

3×230/400

CT/5A

0.01

AC voltage 4kv for 1 minute, 1.2/50us  waveform impulse voltage 6kv

  Dimension

Wiring diagram (Type S)

TerminalNoteTerminalNote
L1L1 phase CT9L1 phase line
L2L2 phase CT11L2 phase line
L3L3 phase CT13L3 phase line
 (Inlet from bottom, outlet from top)NNeutral line
7 and 8Port of active pulse output passive5 and 6Port of RS485 data communication
3 and 4Port of reactive pulse output passive1 and 2CT ratio and stet SO output pulse rate

KWH energy meter



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