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DEM021JB |
| THREE
PHASE FOUR WIRE ELECTRONIC DIN-RAIL ACTIVE
ENERGY METER |
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Application |
Model
DEM021JB three phase three wire electronic
DIN rail active energy 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 energy meter stipulated
in international standard IEC 62053-21. It
can accurate and directly measure 50Hz or
60Hz active energy consumption from three
phase three wire AC electricity net. This
meter has seven digits LCD displays shows
the active energy consumption. 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 China State 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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Functions and
features |
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35mm standard DIN rail installation,
complying with standard DIN EN50022. Or
front board installed (mounting holes center
distance 63 mm), users can choose any one by
themselves.
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Ten pole width (Modulus 12.5mm), complying
with standard JB/T7121-1993.
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Seven digits display LCD, standard
configuration 6+1 digits display
(999999.1kWh). May select 5+2 digits display
(Please
specified when ordering).
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Standard configuration one port of pulse
output passive (polarity), May select a
distant port of pulse output passive
(nonpolarity). And contact with all kind of
AMR system conveniently, Complying with
standard IEC 62053-31 and DIN 43864.
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Three LED instructions respectively power
supply state (line voltage L12 & L32) and
signal of 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 two components measure
three phase three 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 type S wiring (Inlet
from bottom, outlet from top) for direct
connect operation, we can also choose
another type of wiring, and use CT (Product
Configuration code is IB) and PT & CT
(Product Configuration code is HB) for
operation.
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Standard configuration short terminals
cover, may select extension terminals cover,
in order to protect to use safety. (Product
Configuration code is JE). |
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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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DEM021JB |
Class 1 |
3 x 220
3 x 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 S) |
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Terminal |
Note |
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L1 |
L1 phase line |
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L2 |
L2 phase line |
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L3 |
L3 phase line |
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N |
Don't use (Inlet from bottom, outlet from top) |
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7 and 8 |
Port of pulse output passive |
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