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NAME： 矿用隔爆兼本质安全型真空电磁起动器 QJZ-200、120、80/1140(660)
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Product Description
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简介
QJZ-200、120 、 80/1140(660)矿用隔爆型真空电磁起动器，主要用于煤矿井下和其他周围介质中含有甲烷等混合气体的环境下。适用于交流50Hz，额定电流至200A、120A 、80A ，额定电压660V、1140V的线路中，直接或远距离起动和停止矿用隔爆型三项鼠笼式电动机。并具有漏电闭锁、过载保护、断相保护、欠压保护、风电闭锁、通讯接口等功能。在停止时还可以进行换向。
主要技术参数
|
额定电压 |
1140/660 |
|
额定电流 |
200、120、80 |
|
最大控制功率 |
在1140V，ηCOSΦ＝0.75时最大功率为296KW；在660V，ηCOSΦ＝ 0.75时最大功率为171KW |
|
极限分断能力 |
4500A |
|
本安最大开路电压 |
16.5V |
|
本安最大短路电流 |
80mA |
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