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DEM421MB
Three phase Three wire electronic Din-Rail Active and Integration Energy Meter |
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Application |
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Model
DEM421MB three phase three wire electronic DIN rail active and
reactive integration 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 internationall
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 is a
maintenance-free lithium battery in it, use for showing blackout
reading. 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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Function and features: |
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-- 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.
--Ten pole width (Modulus
12.5mm), complying with standard JB/T7121-1993.
--7
digits LCD display, 6+1 digits(999999. 1kWh) may select 5+2 digits
display. (Please
specified when ordering) There
is a maintenance-free lithium battery in it, use for showing
blackout reading.
--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)
--Four
LED instructions power state (line voltage L12 & L32)and signal
of active power
impulse and reactive power impulse.
--Automatic
detect the direction of the trend of load current. And instructions
by one LED.
--Single
direction two components measure three phase three wire active
Power
consumption. It is nothing with direction
of
the trend of load current. Complying with
standard IEC 62053-21and IEC 62053-23.
--Standard
configuration type S connection (Inlet from top, outlet from
bottom), directly
connect to use, may select use CT
(Product Configuration code is LB) and PT&CT
(Product Configuration code is KB) for operation.
--Standard
configuration extended terminals cover, may select short terminals
cover, in
order to protect to use electricity
safely. (Product Configuration code is ME). |
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DEM421MB Three phase
Three wire electronic Din-Rail Active and Integration Energy Meter
Technical parameters: |
| Model |
Accuracy |
Reference voltage(V) |
Current
specifications
(A) |
Starting Current |
Insulation
Performance |
| DEM421MB |
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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DEM421MB Three phase Three wire electronic Din-Rail Active and Integration Energy Meter
Outer and mount dimension: |
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DEM421MB Three phase Three wire electronic Din-Rail Active and Integration Energy Meter
Wiring diagram(Type S) |
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