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用途
Use
XGN-12Z本产品适用于额定电压为3~12KV三相交流50Hz，额定电流630~3150A三相交流单母线、双母线、单母线带旁路系统，作为接受和分配电能之用。可满足各种类型的发电厂、变电站及工矿企业的使用要求。
This productis applicable to the rated voltage of 3~12kV3-phase AC 50Hz ,rated current 630~3150A three-phase single-bus ,two-bus ,the bus with single pass system ,as the acceptance and distribution of electric energy. Can meet various types of power plants ,substations and require the use of industrial and mining enterprises.
特点
Characteristics
本开关柜为金属封闭箱式结构，柜内分为断路器室、母线室、电缆室、继电器室。室与室之间用钢板隔开；
断路器室在柜体下部，并设有压力释放通道。母线室在柜体后上部，母线呈品形排列。电缆室在柜体下部的后方，室内绝缘子可设监视装置。继电器室在柜体上部前方。室内有继电器安装板，门上可安装指示灯、信号元件，顶部还可布置二次小母线；
开关柜为双面维修，在断路器室和电缆室均装有照明灯。前门下方设有与柜宽方向平行的接地铜母线。
Switchgear for the closed metal box-type structure of the circuit breaker cabinet is divided into rooms , bus room. Between the rooms and rooms with separate plate;
Breaker room in the lower part of the circuit breaker ,with the release of pressure on the channel. Bus room in the upper part of the post-breaker ,bus-shaped goods were arranged. Cable room in the rear of the lower part of the breaker . indoor insulator can be set up surveillance equipment. Relay room in front of the upper part of the breaker There are indoor installation of relay panels ,doors can be installed on the instructions signal components ,can also be arranged at the top of the second small bus;
Switchgear for the double-sided maintenance ,circuit breakers in the rooms and cable rooms were equippedwith lights. The bottom of the front door and the cabinet has wide parallel to the direction of the copper bus bar grounding.
主要技术参数
The main technical parameters
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额定电压（KV）
Rated voltage
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3.6/7.2/12
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额定热稳定电流（KA 4S）
Rated thermal stability of the current
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16~50
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最高工作电压（KV）
The maximum operating voltage
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3.6/7.2/12
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额定动稳定电流（KA）
Dynamic stability of the raeed current
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40~100
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工频耐受电压（KV）
Frequency voltage tolerance
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42(1min)
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额定短路关断电流（KA）
Rated short-circuit current turn-off
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16~50
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冲击耐受电压（KV）
The impact of voltage tolerance
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75
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额定短路开合电流（KA）
Rated short-circuit current opening and closing
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40~125
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额定频率（HZ）
Rated frequency
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50~60
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分合闸和辅助回路额定电压（V）
Closing minutes and auxiliary circuit rated voltage
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DC48,60,110,220AC110
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额定电流（A）
Rated current
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5~310
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防护等级
Protection level
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IP2X
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