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NAME： PJG47-1250/10(6)Y矿用隔爆兼本质安全型永磁机构高压真空配电装置
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用途
本配电装置主要用于煤矿瓦斯气体环境下。对额定电压10 (6) kV频率50Hz,额定电流至1250A的三相交流中性点不直接接地的供电系统进行控制、保护和测量，并可作为直接起动高压电动机之用。
主要特点
1、该断路器机构部分采用模块化设计、完美的将永磁机构、真空灭弧室及智能控制结合在一起，具有智能化、高可靠、寿命长、免维护等特点。
2、使用固封式断路器， 防潮性能优越，可以更好地保护真空管。
3、采用适用于煤矿 井下隔爆型高压真空断路器配电装置的专用保护器，具有过载、短路、功率方向型漏电保护、绝缘监视、低电压、高电压、风电瓦斯闭锁等多种保护功能，且保护和测量精度高，抗干扰能力强，可适应煤矿井下复杂多变的运行环境。此外，全中文的液晶菜单显示模式，内容详细明了，操作简洁，能够实时显示运行工况信息，便于巡检。
4、 产品分为a、b、C、d四种结构形式，以满足受电、联络、馈电、联台、直接控制等不同使用方式。
5、开关具有电动、 手动合分闸功能。
6、远距离控制信 号为本质安全信号。
7、具备通讯接口， 可以与通信站联网，实现远程监控功能。
主要参数
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额定电压10kV/ 6kV |
额定短路开断次数20000次 |
|
最高工作电压12kV/ 7.2kV |
额定热稳定时间不大于2S |
|
额定频率50Hz |
机械寿命100000次 |
|
额定电流(A)1250、1100、 1000、 900、 800 |
隔离开关机械寿命2000次 |
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额定短路开断电流(有效值)25kA |
电动合闸操作电压I直流] 110V |
|
额定短路关合电流(峰值)63kA |
电动分闸操作电压[直流] 110V |
|
额定动稳定电流(峰值)63kA |
本安回路最大开路电压5.5V |
|
额定热稳定电流(有效值)25kA |
本安回路最大短路电流15mA |
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