IEC Three Phase Electromechanical Energy Meter with ABS , Bakelite , PC Terminal cover

1

Meter type

DT86

2

Applicable Standards

IEC62053-21 sw IEC62052-11

3

Accuracy class

(according to IEC 60521)

Transformer

operated: Class 1

Direct connected:

Class2

4

Average service life (MTTF)

20 years

5

Basic current (lb)

1.5 3 5 5 10 15 20 30

6

Maximum current (lmax)

6 6 10 20 40 60 80 100??

7

Rating current of transformer

5A Direct connection

8

Reference voltage Un

3×57.7/100V,3×220/380V

3×230/400V,3×240/415V

9

Reference frequency fn

50Hz,60Hz

10

Power losses in voltage circuit at? 50Hz Un

1.0W/4.5VA

11

Power losses in current circuit at? 50Hz Un Ib

<0.5VA

12

Non-running with no-load

0.8~1.1Un

13

Starting current

0.4%Ib 0.5%Ib

14

Mean temperature coefficient

From 0.1Ib to Imax at unity PF

From 0.2Ib to Imax at unity 0.5 lagging

<0.08%/?

<0.12%/?

15

Insulation level

Withstand A. C. Voltage for 50Hz, 1min

>2kV(when bakelite base>4kV)

>6KV(when bakelite base>8kV)

16

Rated load torque at unity PF, Ib

>800μMn

17

Weight of rotor

48g

18

Weight of meter

?.5kg

19

Meter base

Steel, Bakelite, PC

20

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