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DEM321DI |
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PHASE FOUR WIRE ELECTRONIC FRONT BOARD
INSTALLED ACTIVE ENERGY METER |
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Application |
Model
DEM321DI three phase four wire electronic
front board installed active energy meter is
a kind of new style three phase four 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 energy meter stipulated
in international standard IEC 62053-21. It
can accurate and directly measure 50Hz or
60Hz active energy consumption from three
phase four wire AC electricity net, it is
use for setting indoor or out door, it can
display total energy consumption by step
motor type impulse register. It has
following features: good reliability, small
volume, light weight, specious nice
appearance, convenient installation,
etc.
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Functions and
features |
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Front board three fixed installation, up and
down mounting holes center distance is
198-212 mm, users can choose any one by
themselves.
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Standard configuration 6 digits display
(999999KWh) by step motor type impulse
register, may select 7 digits display
(Product
Configuration code is DK)
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There are a polarity port of pulse output
passive closed and a nonpolarity port of
pulse output passive distant (the output
rate is 10 or
100 imp/kWh, can select). And contact with
all kind of AMR system conveniently,
Complying with standard IEC 62053-31 and DIN
43864.
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Five LED instructions respectively power
supply state and signal of closed energy
impulse and distant energy impulse.
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Automatic detection the direction of the
flow of load current. And Instructions on
individual LED.
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Single direction three components measure
three phase four wire active energy
consumption. It is nothing with direction of
the flow of
load current. Complying with standard IEC
62053-21.
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Standard configuration direct connect
operation, type 16B wiring, we can also
choose another type of wiring, and use 5+1
digits display
by impulse register, CT (Product
Configuration code is CI) and PT & CT
(Product Configuration code is BI) for
operation, it is type 48B
wiring.
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Standard configuration extension terminals
cover, in order to protect to use safety may
select short terminals cover. (Product
Configuration code is DF). |
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Technical
parameters |
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Model |
Accuracy |
Reference
voltage (V) |
Current
specifications (A) |
Starting
current (A) |
Insulation
performance |
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DEM321DI |
Class 1 |
3X127/220
3X230/400 |
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 | |
| *If you need
different reference voltage or current
specification, please advisory our sales. |
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Outer and mount
dimension |
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Wiring diagram
(Type 16B) |
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Terminal |
Note |
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1 |
Inlet L1 line |
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3 |
Outgoing L1 line |
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4 |
Inlet L2 line |
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6 |
Outgoing L2 line |
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7 |
Inlet L3 line |
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9 |
Outgoing L3 line |
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10 |
Inlet neutral line |
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11 |
Outgoing neutral line |
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18 and 19 |
Port of pulse output passive distant |
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20 and 21 |
Port of pulse output passive closed |
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