供应KBZ-200真空馈电开关
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。