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DEM321MF
Three phase Four wire electronic Front board Installed Active Energy Meter |
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Application |
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Model
DEM321MF 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 accurately 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, and this meter has seven digits LCD monitors shows the active
energy power consumption.
And there is a
maintenance-free lithium batteries in it, use for showing blackout
reading. It has following features: Good
reliability, small
volume, light weight , specious nice appearance, convenient
installation, etc.
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Function and features: |
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-- Front
board three fixed holes installation, up and down mounting holes
center distance
is198-212 mm, users can choose
any one by themselves.
--Seven
digits display LCD, standard configuration 6+1 digits display
(999999.1kWh,). May
select 5+2 digits display (Please
specified when ordering).
--Standard
configuration only a polarity port of pulse output passive, may
select add a no
polarity port of pulse output passive
distant ((Product Configuration code is DH). And
contact with all kind of AMR system conveniently,
Complying
with standard IEC 62053-31
and DIN 43864.
--There
is a maintenance-free lithium batteries in it, use for showing power
cut off reading.
--There
are a polarity port of pulse output passive closed and a no polarity
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.
--Five
LED instructions respectively power state and signal of closed power
impulse and
distant power impulse
--Automatic
Detect the direction of the trend of load current. And Instructions
on individual
LED.
--Single
direction three components measure three phase four wire active
Power
consumption. It is nothing with direction
of
the trend of load current. Complying with
standard IEC 62053-21.
--Standard
configuration direct connect and use, type 16B connection, we can
also choose
another type of connection, and
use CT (Product Configuration code is LF) and PT & CT
(Product Configuration code is KF) for operation, it is
type 48B
connection.
--Standard configuration
extended terminals cover, may select short terminals cover, in
order to protect to use electricity
safely. (Product Configuration code is MC). |
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DEM321MF Three phase
Four wire electronic Front board Installed Active Energy Meter
Technical parameters: |
| Model |
Accuracy |
Reference voltage(V) |
Current
specifications
(A) |
Starting Current |
Insulation
Performance |
| DEM321MF |
class1 |
3 x 127/220
3 x 230/400
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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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DEM321MF
Three phase Four wire electronic Front board Installed
Active Energy Meter Outer and mount dimension: |
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DEM321MF Three phase
Four wire electronic Front board Installed Active Energy Meter
Wiring diagram(Type 16B) |
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