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NAME： PJG□—630/10(6)矿用隔爆兼本质安全型高压真空配电装置
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用途
该产品适用于煤矿瓦斯气体环境下，对额定电压10kV/6kV、额定电流至630A的三相中性点不直接接地的供电系统进行控制、保护和测量。
主要特点
1、改进了快开门结构(全国独一无二)，使门的开关操作更加轻便、灵活。
2、增设了电源隔离护板和箱体内照明灯。
3、整体结构分为壳体和机芯小车两大部分，断路器为抽屉式，方便维修和更换。
4、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。
5、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。
6、断路器使用简单实用的弹簧储能机构，开关具有电动、手动合分闸功能。
7、远距离控制信号为本质安全信号。
8、具备通信接口，可以与通信站联网，实现远程监控功能。
主要参数
|
额定电压10 kV /6 kV |
额定短路开断电流开断次数30次 |
|
最高工作电压12kV/7.2kV |
额定热稳定时间不小于2S |
|
额定频率50Hz |
机械寿命100000次 |
|
额定电流(A)50、100、200、300、400、500、630 |
隔离开关机械寿命2000次 |
|
额定短路开断电流（有效值）12.5kA |
电动合闸操作电压（直流）135V |
|
额定短路关合电流（峰值）12.5kA |
电动分闸操作电压（直流）24V |
|
额定动稳定电流（峰值）31.5kA） |
本安回路最大开路电压12.5V |
|
额定热稳定电流（有效值）12.5kA |
本安回路最大短路电流22mA |
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