QBZ

QBZ局部通风机用隔爆型双回路真空电磁起动器

   一、概述QBZ-2×120/1140(660)SF

QBZ-2×120/1140/（660）SF局部通风机用隔爆型双回路真空电磁起动器，它包含两个系统：当主起动器运行中出现故障时，系统自动切换至备用起动器并自动（也可手动）起动，确保对掘进巷道工作面进行不间断供风的控制功能；二、

双回路真空电磁起动器 项目     参数

额定工作电压(V)                                                                                 380   660   1140

额定频率(Hz)                                                                                        50

额定电流(A)                                                                                         120

最大控制功率(KW)                                                                              60   100   170

漏电闭锁额定值(KΩ)                                                                           7+2   22+4.4   40+8

控制电压(V)                                                                                         36

重量(Kg)                                                                                                185

工作制式                                                                                              间断、长期均可

外形尺寸(mm)                                                                                      672×564×762

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