Flameproof explosion-proof vacuum starter for Mining
Main application
The device is used in coal mines containing explosivegas (methane) and coal dust. It is suitable for the circuit center. To local control or remote control the start and stop of AC 50Hz, voltage 1140V, 660V or 380V, ungrounded three- phase asynchronous motor, and can be reversed at the stop.
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.
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