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NAME： QBGZ-2x630(400、150、50)/10(6)矿用隔爆型双回路高压真空电磁起动器
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Number of views:
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Product Description
Parameters
用途
该产品主要适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630A以下的三相交流中性点不直接接地的供电系统中频繁起动的高压电动机和用电设备进行控制、保护和测量。
主要特点
该产品不仅具有一般起动器的下述特点:
1、总体结构分隔爆外壳和机芯小车两大部分，结构合理，维修方便;
2、具有国内最先进的微电脑综合保护器，具有过载、短路、功率方向型漏电保护、绝缘监视、低电压、高电压保护，并有故障自检和查询功能;
3、开关具有电动合分闸功能;
4、远距离控制信号为本质安全信号;
5、具备通讯接口。
此外该起动器还在机芯小车上装有高压真空接触器两台，后腔分上中下三室，根据接线方式不同可以实现
1、单电源进线， 双负荷馈出;可同时对两台电机进行起动和保护;
2、双电源进线， 单负荷馈出，配合高压软起动器实现- -拖-、-拖二、一拖三 等运行模式。
主要参数
|
额定电压10(6)kV |
额定频率50Hz |
|
操作电源 |
DC135V |
|
额定开断能力(25次) |
最大开断能力5040A |
|
额定关合电流6300A (100次) |
极限开断电流6300A (3次) |
|
额定短时耐受电流/持续时间 |
6300A/2S |
|
额定短时峰值耐受电流/时间 |
15750A> 0.3S |
|
过载电流耐受 |
9450A 1S |
|
隔离插销机械寿命2000次 |
机械寿命100万 次 |
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