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NAME： 矿用隔爆兼本质安全型交流软/直起动器 QJZ-400/1140(660)R/Z
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Product Description
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用途
QJZ-400/1140(660)R/Z矿用隔爆兼本质安全型交流软/直起动器适用于煤矿井下、露天煤矿、冶金矿山等恶劣环境中，额定电压为三相交流660V、1140V的异步电动机重负荷软起动以及各种情况下的磁力起动。
特点
1、该产品具有矿用真空电磁起动器和交流电压软起动的功能，是一种集光、机、电一体化的高科技产品，更主要的是具有模块化结构，方便使用和维修。
2、软起动时具有起动电流小、起动平稳可靠、胶带无振动、对电网冲击小等优点。
3、具有分断20倍短路电流能力，隔离开关亦具有分断电机负荷的功能。
4、该产品使用了国内最先进的微电脑综合保护装置，具有短路、过载、监视、漏电闭锁、断相等功能。不用打开门在外面可以完成全部操作。全中文的液晶菜单显示模式，内容详细明了，操作简洁，人性化的人机界面能够实时显示运行工况信息，便于巡检。
主要技术参数
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额定电压：1140V、660V |
额定电流：400A |
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极限分断能力：4500A |
本安回路最高开路电压：26.4V |
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最大电流过载倍数：6倍以下可调 |
本安回路最高开路电流：138mA |
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起动时间：可调（最大120S） |
防爆型式：隔爆兼本质安全型 |
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控制带速的启动加速度：0.1-0.3m/S2 |
控制功率：400KW |
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