KBZ-200真空馈电开关

真空馈电器 真空馈电箱 真空馈电开关 馈电传感器 

KBZ真空馈电开关 矿用馈电开关  馈电开关 

KBZ-200/1140矿用隔爆型智能真空馈电开关，适用于煤矿井下，在交流50Hz，电压为1140V或660V、电流至200A的中性点不接地三相电网中，具有欠压、过载、短路、漏电闭锁、漏电保护、选择性漏电保护功能，并可外接远方分励按钮，用作总开关或分支开关，并具有风电、瓦斯闭锁功能。
KBZ-200真空馈电启动器

技术数据

额定电压： 1140、660V                                                                                                                       额定电流： 200A                                                                                                                                        额定频率： 50Hz                                                                                                                                               额定短路接通与分断能力： 7.5KA/1140V, 9KA/660V                                                                                                       电寿命： 3000次                                                                                                                                   机械寿命： 15000次                                                                                                                               漏电保护动作值： 20/11KΩ                                                                                                                              漏电闭锁值： 40/22KΩ                                                                                                                                     漏电动作时间： 50/80ms进出线喇叭嘴大4只，小4只。                                                                                                           重量： 240kg                                                                                                                                        尺寸： 655x550x813

二、  产品特点
采用单片机智能化保护器，液晶汉显中文界面，实时显示电流、电压、三相电流、电网对地绝缘电阻，具有远距离短路保护功能；开关本身具有电度计量并实时显示电度、功率及功率因数值；可以在不开盖的情况下，实现人机对话，方便的进行各项保护参数的整定，并具有故障翻查功能，可予留通讯口，实现计算机井上井下联网，为新一代汉显智能化开关。

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