用途

Use

 

　　XL-21适用于工业与民用建筑中作交流频率为50Hz，额定电压380V及以下，三相四线、三相五线电力系统的动力配电、照明配电和电动机控制用。

本产品符合IEC439-1，GB7251.1—1997《低压成套开关设备》的标准规定。

 

　　Applicable to the industrial and civil buildings in exchange for a frequency of 50Hz , rated voltage 380V and below ,the three-phase four-wire ,three-phase power system of five lines of power distribution ,lighting and electrical power distributioncontrol .

This product is in line with the IEC439-1 ,GB7251.1—1997 “Low-voltage switchgear” ,standards.

 

特点

Characteristics

 

　　本产品为户内保护式，箱体由异形钢材及薄钢板组装而成，配电箱前面装有电压表，指示汇流母线的电压，箱内主开关选用QSA、HR5、HH11和SIWOG1型四种，选用HR5型开关时为箱内操作，选用QSA、HH11和SIWOG1型开关时，开关操作手柄装于箱前，可箱外操作。配电箱前面有门，门打开后，箱内设备敞露，便于检修维护。

采用国内最新型号元器件，具有结构紧凑，检修方便，线路方案可以灵活选择等特点。

 

　　This product is for the protection of the indoor ceremony ,people from the box-shaped steel sheet and steel pipe from the assembly and distribution in front of me with voltmeter ,the convergence direction of the bus voltage ,the main switch box selection QSA ,HR5 and HH11-three ,When selected HR5 for the switch-box operation ,QSA and HH11-selection switch ,the switch to operate the handle in the box before the equipment can be operated outside the box. Distribution boards in front of the door there ,the door opened ,box Chang Lu equipment for the maintenance overhaul.

Use of domestic components of the latest model has a compact ,easy maintenance ,the line to a flexible choice of programs and so on.

 

主要技术参数

The main technical parameters