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Lomgwall Electrical Systems

Longwall Equipment
Power Centers, low profile, as large as 10 MVA
Controls, open and explosion proof





Mine Electrical Equipment

Belt Power Centers with Integral Starters
Belt Conveyor Starters for OEM's and Users
Mine Duty Rectifiers
Distribution Boxes, open and explosion proof
Portable Substations
Motor Controls
Intrinsically Safe Lighting Systems
Communications and Safety Lockout Systems
Hydraulic Pump Controls
Water Pump Controls



Cable Reels

Explosion Proof or Open Type
Vertical or Horizontal
Cable Range through 350 MCM
Unique Rotating Collector Ring
Voltage Range to 4160 Volts
Large Cable Storage Capacity



Dry Type Power Transformers

Custom Designed to meet your electrical or mechanical specifications
Engineering Application Service
Single and Three Phase
Primary Voltage Ratings Through 15KV
Through 10 MVA Capacity
Custom Cabinetry
Copper Windings
Autotransformer's
Air Core Reactors
Highest Quality Materials
Through 10 MVA, 15KV
High quality copper windings, custom designed