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XJM-type Electric Energy Metering Box

The XJM series energy metering cabinets are designed for centralized single-phase or three-phase energy measurement and management in apartment buildings and office towers operating on 50 Hz AC with rated voltages of 400 V or less. They can be equipped with pulse-type energy meters as required by the design to enable computerized management.

Keywords: High- and low-voltage complete sets – packaged substations – ring main units

Category:

High- and low-voltage complete sets

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Product Description

　　Product Overview

　　The XJM series energy metering cabinets are designed for centralized single-phase or three-phase energy measurement and management in apartment buildings and office towers operating on 50 Hz AC with rated voltages not exceeding 400 V. They can be equipped with pulse-type energy meters as required by the design to enable computerized management.

　　Space is also reserved for the installation of telemetry and telecommunication equipment. The metering cabinet is equipped with circuit breakers that provide overload and short-circuit protection, and the rated currents of the energy meters and circuit breakers are determined by the design. The product complies with the requirements of standards such as GB 7251.3.

　　Main Technical Parameters of the Product

Serial Number

Project

Unit

Value

1

Rated Insulation Voltage

V

690

2

Rated operating voltage

V

380/220

3

Main switch sectionalizing capability

kA

4.5

4

Rated current

A

250

5

Short-time withstand current

kA

4.5

6

Protection Level

 

IP34D/IP44

　　Selling Points and Advantages

　　Simple structure, reliable operation, and low cost;

　　Features telemetry and remote communication capabilities;

　　Features overload and short-circuit protection.

设计原理 动态屈光+单点多焦
镜片材质 PC太空镜片
瞳距标尺 54mm-68mm
镜片屈光度 +2.00D~-5.00D
眼镜尺寸 160*13.3*7.3mm
眼镜重量 45g
镜盒重量 239g
镜盒电池规格 2600ma
眼镜电池规格 180ma
传动系统寿命 50万次