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DEM321AC three phase four wire electric energy meter,prepaid electricity meter

category： Energy Meters

reference price：￥$10.00 - $20.00

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Yueqing Open Imp.&Exp. Co., Ltd.

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Product details Company introduction

Parameter information

DEM321AC three phase four wire electric meter price

Functions and features

1. Front board three fixed installation, up and down mounting holes center distance is 198-212 mm, users can choose any one by themselves.
2. Type 48b wiring, use CT connect operation, may select set 27 ratio of CT, after set the meter will direct reading when read, and haven’t multiplied by rate of CT.
3. Seven digits display LCD, 5+2 digits display (99999.91 kWh, only ratio of CT when 5:5 A) or 7digits, it is choose by ratio of CT which is set.
4. There are a polarity port of pulse output passive closed and a nonpolarity port of pulse output passive distant (the output rate is 10 kWh/pulse), ). Complying with standard IEC 62053-31 and DIN 43864.
5. Standard configuration there are a port of far infrared data communication and a port of RS485 data communication. Communication agreement complying with standard DL/T645-1997, can also choose without function of data communication. (Product Configuration code is NC).
6. Six LED instructions respectively power supply state, signal of closed energy impulse and distant energy impulse and data communication state.
7. Automatic detection the direction of the flow of load current. And instructions by individual LED.
8. 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.
9. Standard configuration short terminals cover, may select extension terminals cover, in order to protect to use safety. (Product Configuration code is AF).

Technical parameters

Model	Accuracy	Reference voltage (V)	Current specifications (A)	Starting current (A)	Insulation performance
DEM321AC	Class 1	3 X 127 / 220 3 X 230 / 400	CT/ 5A	0.01	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.

Company introduction

Open group holding Ltd is enterprise group, which integrate industrial manufacturing, import and Export. The products of Open group mainly include H.V, L.V electrical apppliance, complete electrical equipment, optical & electrical, LED lighting and electrical accessories, etc.
Open group has been devoted to develop domestic and oversea market and positively develop the international communication and cooperation. Now, Open group cooperate with customers from over one hundreds countries and districts. High quality is guarantee to win the market. Open people heartly uphold "science and technology promote enterprise, quality creat brand, honest operation,pursuit excellence" enterprise purpose, and is committed to the development of industrial electrical appliance and innovation.
The competitive advantage of Open Group: entire variety,entire specification, reasonable prices, high quality, excellent service. Open group possess a group of high quality staffs with new knowledge and concept. They have innovative spirit, can supply timely and efficient service for all clients and partners.The group possess modern production equipment, test instrument, and improve the production technology and management level. In addition, Open group have formed a system that integrate design, production, inspection, the quality control of input of raw material, the feedback of after-sales service. Open group have passed ISO9001 international quality management system certification, and carry out TQM and other advanced production management method to ensure the interest of clients.
The history give important mission, enterprise kindle passion. Open group always do his best to present better and more perfect products, to achieve national industry,and to make the clients more relieved and satisfied. Open people will keep pace with times and science and are sincerely willing to enjoy exquisite life and create a better tomorrow with you.

essential information
country：	China
company address：	ChinaZhejiang7th Floor, OPEN Building, Liunan Industrial Zone, Xiangyang Town, Yueqing, Wenzhou City, China
website：	https://mcb.en.alibaba.com/