Surface Mining/Oil Sands
Littelfuse engineers and manufactures vital components that safeguard electrical systems, motors, and pumps used in field-mining applications. This diagram shows the electrical and dewatering systems in a typical surface-mining operation and illustrates the critical job Littelfuse products perform for the power and safety of the mine.
Underground Mining
Littelfuse designs and supplies critical products that ensures safe and reliable distribution of power in mines. This diagram shows the complex electrical system in a typical underground mine and indicates the vital role that Littelfuse plays in powering and protecting the mine.
Surface Mining/Oil Sands
Used to isolate and protect high-voltage circuits underground, on the surface, and in surface substations.
Indoor or Outdoor Standard and Arc-Resistant Switchgear
Neutral-Grounding Resistor and NGR Monitor
High-speed
Fuses
Motor
and Pump Protection
UL Fuses, Blocks,
Holders
Ground-Fault
Protection
Feeder
Protection
Arc-flash
Relay
SWITCHGEAR
Power-take-off or starter panels protect and isolate trailing-cable-fed equipment such as pumps, jumbos, drills, and electric machines.
Custom Electrical Panels
Surge
Protective Devices
UL Fuses, Blocks,
Holders
Ground-Fault Ground-Check Monitor
Motor
and Pump Protection
Arc-flash
Relay
PORTABLE PUMP PANEL
Provides power to mining machines, pumps, fans, motors, etc.
Portable Power Center
High-Speed Fuses
Feeder
Protection
Surge
Protective
Devices
Motor
and Pump Protection
UL Fuses, Blocks,
Holders
Ground-Fault Ground-Check Monitor
Neutral-Grounding Resistor and NGR Monitor
Arc-flash
Relay
PORTABLE POWER
CENTER
PORTABLE POWER
CENTER
Provides local power for lighting, conveyors, pumps, fans,
and other equipment.
Primary Power Center/Electrical House
Surge
Protective
Devices
High-speed
Fuses
Motor
and Pump
Protection
UL Fuses, Blocks,
Holders
Ground-Fault Protection
Industrial
Shock Block
®
Arc-flash
Relay
ELECTRICAL MODULAR BUILDING/E-HOUSE
Used to operate the equipment and includes protection relays.
Mining Machine & Conveyor System Controls
Surge
Protective
Devices
Motor Protection
UL Fuses, Blocks,
Holders
Ground-Fault Ground-Check Monitor
Neutral-
Grounding Resistor
Monitor
Arc-flash
Relay
CONVEYOR SYSTEM
MINING SHOVEL
MINING DRILL
Underground Mining
Power-take-off or starter panels protect and isolate trailing-cable-fed equipment such as
pumps, jumbos, drills, and electric machines.
Custom Electrical Panels
Arc-flash
Relay
Ground-Fault Ground-Check Monitor
Motor
and Pump Protection
UL Fuses, Blocks,
Holders
Surge
Protective Devices
POWER TAKE-OFF PANEL
Provides local power for lighting, conveyors, pumps, fans, and
other equipment.
Primary Power Center/Electrical House
Surge
Protective Devices
Industrial
Shock Block
®
Arc-flash
Relay
UL Fuses, Blocks,
Holders
Ground-Fault Protection
High-speed
Fuses
Motor
and Pump Protection
MAIN SUBSTATION
Provides power to mining machines, pumps, fans, motors, etc.
Portable Power Center
High-Speed Fuses
Feeder
Protection
Surge
Protective
Devices
Motor
and Pump Protection
UL Fuses, Blocks,
Holders
Ground-Fault Ground-Check Monitor
Neutral-Grounding Resistor and NGR Monitor
Arc-flash
Relay
CONVEYOR SUBSTATION
POWER CENTER
Used to operate the equipment and includes
protection relays.
Mining Machine & Conveyor
System Controls
Surge
Protective
Devices
Motor Protection
UL Fuses, Blocks,
Holders
Ground-Fault Ground-Check Monitor
Neutral-Grounding
Resistor
Monitor
Arc-flash
Relay
CONVEYOR SUBSTATION
MINING MACHINE
ELECTRICAL MODULAR BUILDING/E-HOUSE
Class J Fuse Disconnect Switches
Class J Fuse Disconnect Switches