Custom Mining Equipment

SMC electrical systems are utilized on over 70% of the longwall operations in the U.S. The most productive, highest tonage-producing mines use SMC equipment.

Our innovative products have made major advancements in mining control and automation. We provide user-friendly systems, enabling higher operating efficiency and increased production. SMC designs, manufactures and commissions the electrical system from start to finish. Some of our products are shown below:

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
Mine Duty Rectifiers
Distribution enclosures, open and explosion proof
Portable Substations
Belt Conveyor Starters for OEM’s and end users
Motor Controls
Intrinsically Safe Lighting Systems
Communications and Safety Lockout Systems
Hydraulic Pump Starters and Controls
Water Pump Starters and 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 Enclosures
Copper Windings
Autotransformers
Air Core Reactors
Highest Quality Materials
Through 10 MVA, 15KV
High quality copper windings, custom designed



12470V Dual Rectifier



Splitter Box



21kV Vacuum Circuit Breaker