Main application
This device is suitable for containing explosive gas (methane) and coal mine, based on the current coal mine design and manufacture of continuous ventilation safety requirements, its high-performance single machine as control core to real-time monitor the running state of the controller and fault processing, realize the host, for machine running state switch each other, in 50Hz ac voltage 660V or 1140V three-phase neutral point grounding line, to control the continuous tunneling ventilation in the working face, a double fan and double power supply all the control functions.
Technical characteristics
• Rated working voltage: 1140V or 660V
• Rated working frequency: 50HZ
• Rated operating current:
Single circuit 30A (type 30), single circuit 60A (type 60)
Single circuit 80A (type 80), single circuit 120A (type 120)
Functional features
• It has all the control functions required for automatic switching between the main fan and the standby fan
• SCM program control, large screen Chinese display, menu structure operation, with fault query, fault record the specific time function
• It has the function of mutual delay switching between host and standby machine, and the switching time can be adjusted according to the actual needs (0-250s)
• With dual fan dual power supply all control functions
• With RS-485 communication function, can easily achieve remote monitoring and control
• With short circuit, overload, leakage blocking, break equal protection function.