4 Modular Three Phase Four Wire Din Rail Electric Meter
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4 Modular Three Phase Four Wire Din Rail Electric Meter

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Specifications and Parameters

1.Specifications



TYPE

CLASS/HZ

RATED VOLTAGE

STANDARD CURRENT

Three phase four wire

Class 1

50HZ/60HZ

3×220/380V

3x230/400V

3x240/415V

3×1.5(6)A

3×2.5(10)A

3×5(20)A

3×10(60)A

3×15(60)A

3×20(80)A



2. Basic Error(balanced load basic error limit)


Current Value

Power Factor(COSφ)

Error limit(%)

Direct Connection

CT Connection

Class1

Class2

0.05Ib≤I<0.1Ib

0.02In≤I<0.05In

1.0

±1.5

±2.5

0.1Ib≤I<Imax

0.05In≤I<Imax

1.0

±1.0

±2.0

0.1Ib≤I<0.2Ib

0.05In≤I<0.1In

0.5(Inductive)

±1.5

±2.5

0.8(Capacitive)

±1.5

0.2Ib≤I≤Imax

0.1In≤I≤Imax

0.5(Inductive)

±1.0

±2.0

0.8(Capacitive)

±1.0


Note:(Ib is basic current  In is rated current  Imax is maximum current)

The error limit(%) between each current point with unbalanced load: Class1,±2.0; Class2,±3.0


3.Starting

When the rated voltage, rated frequency and power factor is 1.0, the loaded current is 0.004Ib(class1)、0.005Ib(class2), the meter shall starts and measures energy continuously.


4.Creeping

When the voltage circuit is loaded with a voltage 1.15 times of the rated voltage and there is no current in the current circuit, the meter is supposed not to output more than one pulse.


5.Working Voltage Range

 Normal Working Voltage:0.9Un~1.1Un

 Working Voltage Limit:0.0Un~1.15Un


6.Power Loss

Power loss of the voltage line in each phase≤2W/10VA

Power loss of the current line in each phase≤4.0VA


7.Environment condition

standard working temperature:-40℃~+75℃,    

working temperature limit:-45℃~+80℃

Storage and transport temperature limit:-25℃~+70℃

Relative humidity: annual average≤75%

Protection Rank:IP54


8.Configuration and Dimension



9.Safety Performance

The product meets each safety index and requirement stipulated in GB/T 17215-2008


10.Wiring diagram of line terminals (see the terminal wiring diagram for details):

Three-phase four-wire, direct type (voltage 3 × 220 / 380V, current ≥ 3 × 5 (20) A)


03


Wiring diagram of line terminals (see the terminal wiring diagram for details):

Three-phase four-wire, direct type (voltage 3 × 220 / 380V, current ≥ 3 × 5 (20) A):


04


IV.Functions

1.Energy Measurement

It measures total active energy.With three phase power supply, the meter will keep measuring energy accurately even with one or two phases cut off.

2.Phase missing indication function

Three light indicators are used to indicate whether there is phase missing. Indicators A, B, and C indicate the missing of Phase A, Phase B and Phase C correspondingly.  


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