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Belt Starter
Begin Main Content Area
Page Content
Belt Starter
Input may be through a coupler or gland.
The outside surfaces shall be essentially of fireproof construction.
If the input cable is protected by a ground-wire monitor that is terminated in the box, the enclosure shall include a ground-wire monitor test button.
On single-output belt starters, the required circuit protection may be located in the load center.
Each belt motor and/or belt auxiliary circuit shall have the following protection:
Phase fault
Overload
Ground fault (may be provided at the power center)
Any output circuit for equipment not associated for the belt operation shall be designed in accordance with the load center criteria.
The following required belt motor safety circuits shall include a manual reactivation:
Phase fault
Overload
Ground fault
Belt slip circuits
Pull cord circuits
If the belt motor starter utilizes a programmable logic controller or other electronic controls, it shall comply with one of the following schemes to prevent starter operation due to failed outputs:
Hard-wired safety circuits
Status check feedback circuits
Multi-motor starters utilizing plugs and receptacles shall have interlocks that trip all breakers when any plug is uncoupled. If the design of a motor (i.e. DC or synchronous AC) allows for generation of electrical power from a mechanical input, then precautionary measures must be taken to prevent electrical shock from regenerated power (minimum of warning labels).
Any output circuits feeding power to stationary underground motors of one hundred brake horsepower or over shall be provided with a suitable meter to indicate the load on the machine.
Load Center
Miscellaneous Electrical Devices
Belt Starter
Branch Circuits and Taps
Circuit Breaker Switchhouse
Free Standing Battery Charger
Mine Power Substation
On-board Battery Charger
Protecting Cable
Surface Mine Fans
Track Mounted Carrier
Welding Cables
Stipulation of Settlement Between the...
Equipment Task Force