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DEM421GB electric meter
Three phase Three wire electronic Din-Rail Active and Integration electric meter |
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electric meter Application |
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Model
DEM421GB three phase three wire electronic DIN rail active and
reactive integration electric meter is a kind of new
style three phase
three wire active energy meter, it adopt micro-electronics technique,
and imported large scale integrate
circuit, use
advanced technique of digital and SMT techniques, etc. The meter
completely accord with relevant technical
requirements of
class 1 three phase active electric meter stipulated in international
standard IEC 62053-21 and class 2
three phase
reactive energy meter stipulated in international standard IEC 62053-23.
It can accurately and directly
measure 50Hz or
60Hz active energy consumption from three phase three wire AC
electricity net, it can display total
energy consumption
by step type impulse register. This meter has seven digits LCD monitors
shows active power. And
there are far
infrared and RS485 communication module in it. Contact with all kind of
AMR system conveniently. It has
following features:
Good reliability, small volume, light weight, specious nice appearance,
convenient installation, etc.
This meter has
already got the patent certificate from Chinese national Intellectual
Property Office at present. Patent
certificate NO. ZL
2006 3 0107349.1, any other country patent certificate are in assessing.
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electric meter Function and features: |
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-electric meter- 35mm
standard DIN rail installation , complying with standard DIN
EN50022. Or front
board setting (mounting holes center
distance 63 mm), users can choose any one by
themselves.
-electric meter-Ten
pole width (Modulus 12.5mm), complying with standard JB/T7121-1993.
-electric meter-May
select 6+1 digits display (999999.1kWh, default) or 6+1 digits
display, users can
choose any one by themselves form
far infrared or port of RS485 communication.
-electric meter-Standard
configuration one port of active pulse output passive and one port
of reactive
pulse output passive (polarity)
The output rate are 0.01, 0.1, 1, 10kWh or kvarh/Pulse.
Users can choose any one by themselves. May
select
one port of active pulse output
passive and one port of reactive pulse output
passive(no polarity). And contact with
all kind
of AMR system conveniently complying with standard IEC
62053-31 and DIN 43864.
(Please specified when
ordering)
-electric meter-There
are far infrared and a port of RS485 communication data,
communication
agreement complying with standard DL/T645-1997.
May select any other communication
protelot.
-electric meter-Six
LED instructions power state and signal of active power impulse and
reactive power
impulse and data communications state.
-electric meter-Automatic
detect the direction of the trend of load current. And instructions
by one LED.
-electric meter-Single
direction three components measure three phase four wire active
energy and
reactive energy. It is nothing with
direction
of the trend of load current. Complying with
standard IEC 62053-21and IEC 62053-23.
-electric meter-Standard
configuration type S connection (Inlet from top, outlet from
bottom), directly
connect to use, may select use CT
(Product Configuration code is FB) and PT&CT
(Product Configuration code is EB) for operation.
-electric meter-Standard
configuration extended terminals cover, may select short terminals
cover, in
order to protect to use electricity
safely. (Product Configuration code is GE). |
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DEM421GB Three phase Three
wire electronic Din-Rail Active and Integration electric meter Technical parameters: |
| Model |
Accuracy |
Reference voltage(V) |
Current
specifications
(A) |
Starting Current |
Insulation
Performance |
| DEM421GB |
Class 1 |
3 x 220
3 x 400
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5(30)
10(60)
20(100) |
0.02
0.04
0.08 |
AC voltage 4kV for 1
minute,1.2/50us waveform impulse
voltage 6kV |
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DEM421GB Three phase Three
wire electronic Din-Rail Active and Integration electric meter Outer and mount dimension: |
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DEM421GB Three phase Three
wire electronic Din-Rail Active and Integration electric meter
Wiring diagram(Type S) |
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