Product Detail

 

 

1.    Terminal block                        2.    Base                      3.    Brake magnet           4.    Frame

5.    Voltage element                       6.    Upper bearing         7.    Register                   8.    Rotor

9.    Non-reverse runing device       10. Lower bearing          11. Current element         12. Name plate

13. Cover                                     14. Terminal cove           A1. Full load adjustment (100%)

A2. Low load adjustment (5% and 10%)                              A3.Inductive load adjustment (cosф)

 

 

No

Data

Unit

Description

1

Type

 

MV3E4

3 x … A

(Three phase 4-wire 3-element meter)

2

Rated voltage Un

V

3 x 220/380

3

Rated frequency fn

Hz

50

4

Basic current Ib

A

20

5

Maximum current Imax

A

40

60

6

Load capacity in % of Ib

400

200

300

Thermal

400

Short circuit

Current impulse peak value of 50 Imax and greater than 25 Imax  during 1 ms

7

Class

 

1 or 2

8

No creep on voltage variations of

 

0.8 … 1.1 Un

9

Starting load

 

Max 0.4% Ib or max 0.5 % Ib

10

Rated torque at Ib

10-4Nm

8.2

8.2

11

Meter constant at 50Hz

Vg/kWh

90

90

12

Rated speed at Ib:Normal register (Unit-directional register)

Vg/ph

19.8

19.8

13

Power consumption in voltage circuit at Un and50Hz (1 phase)

W/VA

1.0/4.0

14

Power consumption in current circuit at Iband 50Hz (1 phase)

VA

0.3

15

Temperature coefficient between  -50C and  +450C from 0,1Ib toImax

  Cosф=1

  Cosф=0.5 %/0C

± 0.05 (Cl.1) or ± (Cl.2)

16

Voltage dependency between 0,9 and 1,1 Un at 0,5 Imax

   Cosф=1

   Cosф=0.5 %

± 0.7 (Cl.1) or (or) ± 1.0 (Cl.2)

± 1.0 (Cl.1) or (or) ± 1.5 (Cl.2)

17

Frequency dependency between 0,95 và 1,05 fn at 0,5 Imax

   Cosф=1

   Cosф=0.5%

± 1.3

± 1.5

18

Weight of roto

g

51

19

Impulse test AC for 1 minute at 50Hz

   At 50 Hz

2

20

Impulse voltage test

1.2/50µs  kV

6

21

Diameter of  bore in terminal (current-voltage terminals)

mm

8-7.5

10.5-7.5

22

Connection space inside extended terminals

mm

60

23

Weight of meter (PC cover- Bakelite cover)

kg

3.8-4

4-4.2

 

Allied Companies

  • EMIC
  • HEM
  • CADIVI
  • CTBT
  • THIBIDI
  • EPT
  • VIHEM
  • VINAKIP
  • CFT
  • HPMC