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NAME： 矿用隔爆型可逆真空电磁起动器QBZ-120(80)/1140(660)N
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Number of views:
1000
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Product Description
Parameters
用途
起动器主要由隔爆外壳和本体两部分组成。隔爆外壳为长方形，采用快开门结构，前门为平面止口式，操作方便。壳体上半部为进出线接线腔，用以引进和引出电缆，接线腔盖板采用螺栓紧固。接线腔中还有五根控制线接线柱，用于远方控制起动器用。接线腔上设有进出线喇叭口，用来压紧电缆，并达到隔爆要求。
起动器具有可靠的机械联锁和电气联锁装置,必须按下紧急停止按钮才能转动隔离开关手柄,具有短路、过载、断相、漏电闭锁、过压、高压、低压保护等保护功能及故障显示功能,具有手动紧急停止和换相功能。
主要技术参数
|
额定电压 |
1140V、660V |
|
额定工作电流 |
120A、80A |
|
额定频率 |
50Hz |
|
最大控制功率 |
在1140V，ηCOSΦ＝0.75时最大功率为150kW |
|
工作制 |
长期 |
|
单台接触器极限分断能力 |
2.5kA |
|
隔爆形式 |
矿用隔爆型 |
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