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DEM074PC

DEM074PC
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DEM074PC

SINGLE PHASE ELECTROMECHANICAL FRONT BOARD INSTALLED ACTIVE ENERGY METER
 
 
Application

Model DEM074PC single phase electromechanical front board installed active energy meter is a kind of new style single phase two wire active energy meter, it is designed on the basis of original DD284 single phase electromechanical meter, and fully absorb new technologies about electromechanical meter from domestic and abroad. The meter completely accord with relevant technical requirements of class 2 single phase active energy meter stipulated in international standard IEC 62053-11. It can accurate and directly measure 50Hz or 60Hz active energy consumption from single phase AC electricity net, it is use for setting
indoor or out door meter box. The meter has novel design, rational structure, and it can display total energy consumption by drum wheel mechanical register. It has following features: compact structure design, small size, high overload, long-life, economy benefits, specious appearance, etc.

 
 
Functions and features
Front board three fixed installation, the cover is made of high definition transparent glass material molded overall , the bottom of the meter is made of quality steel which is after double-through antirust processing, and the terminal is made of quality bakelite material which is moisture-resistant, fire-retardant, high temperature molded overall. It has following features: good weather ability, high rigid, specious appearance, etc.
The meter frame adopt aluminum molding with excellent mechanical strength, stable structure and anti-impact.
Voltage components and current components is used of double insulation structure, has good electrical characteristics.
Standard configuration voltage circuit and current circuit connect in the case, may select connect outside.
Standard configuration adopt magnetic thrust bottom bearing, oriented bearing is made of high wear resistance copper alloy bush and stainless steel needle. It has following features: long life and minimal friction, etc. May select double gem bearing, (Product Configuration code is PG).
All kinds of an error adjustment mechanism adopt no step shifting mechanism. The meter starting and creeping needn’t to be adjust which is finished by anti-creeping hole of disc and convenient for adjusting by users.
Standard configuration 6 digits display by drum wheel mechanical register, may select 5 digits display by drum wheel mechanical register (Product Configuration code is PA).
Standard configuration without the device which can prevent retrograde, may select add the function of prevent retrograde. (Please specified when ordering).
Single component measure single phase two wire active energy consumption. Complying with standard IEC 62053-11.
Direct connect operation, there are two types wiring you may select. Standard configuration type 1B wiring, may select type 1A wiring (Product Configuration code is PD).
Extension terminals cover, in order to protect to use safety.
 
 
Technical parameters

 Model

Accuracy

Reference
voltage (V)

Current
specifications (A)

Starting
current (A)

Insulation
performance

 DEM074PC

Class 2

127
230

5(20)
10(40)
20(80)
30(100)

0.025
0.05
0.1
0.15

AC voltage 2kV for 1 minute,
1.2/ 50us waveform
impulse voltage 6kV

*If you need different reference voltage or current specification, please advisory our sales.
 
 
Outer and mount dimension
 
 
Wiring diagram (Type 1B)

Terminal

 Note

1 Inlet phase line
3 Outgoing phase line
4 Inlet neutral line
5 Outgoing neutral line
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