1203 N. Havana St. - Spokane, WA 99202
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Atlas Electric custom designs and manufactures Mine Power Centers to withstand the harsh environments encountered in hard rock underground mining and tunneling. They can be built in a variety of physical shapes and sizes to fit your specific application as well as any voltage combination or frequency to suit any electrical requirements. If you already use or have preferred components we have outstanding OEM relationships with a wide variety of manufacturers that can be incorporated to minimize your spare parts inventory. Our knowledgeable sales and engineering staff will work with you to ensure your complete satisfaction.

Standard Features

  • Heavy Duty Steel Skids
  • Lifting and towing or pushing bumpers/eyes at both ends of skid
  • Acrylic Enamel paint color of your choice
  • Primary Fused Load Break Switch with lock out provisions and viewing window
  • Steel barrier between primary switch and transformer compartment
  • Heavy Duty Distribution Class Lightning Arrestors
  • Incoming HV Cable Strain Relief Connector and Feed Through Provisions
  • E-Stop and Lid Switches
  • Dry Type Copper Wound Transformer braced for Portable Mining Application
  • Neutral Grounding Resistor
  • Copper Buss
  • Mine Duty Circuit Breakers with 120 volt Under Voltage Release or Shunt Trip Coils
  • Ground Fault/ Pilot Check Relays
  • Low Voltage Utility Transformers with Distribution Panel and 120 volt receptacles
  • Continuous Copper Ground Buss with NEMA ground pads on each end of the skid
  • Maintenance and Operation Manuals
  • CAD Drawings and Electrical Schematics

Options

  • Primary 5/15 KV vacuum Circuit Breaker
  • Primary Switch and Fuse compartment Kirk Key Interlock
  • Power Meter
  • Main Secondary Circuit Breaker
  • Neutral Grounding Resistor Monitor
  • Gear Mount Receptacles and Cord Connectors
  • Intertek Testing Services (ETL-CETL) available to assure compliance with nationally recognized standards such as ANSI, IEC, UL and CSA
  • Arc Flash Relays

Mine Power Centers - Recent projects gallery


1000 KVA Mine Power Center

1000 KVA Mine Power Center with the following features and major components:

  • Heavy duty portable underground skid with door behind door construction
  • Line Power 5 KV, 600 amp vacuum circuit breaker with visible disconnect
  • 5 KV surge arresstors
  • 1000 KVA dry transformer 4160-480Y/277 volt, three phase, copper wound
  • Neutral grounding resistor
  • Startco SE-325 neutral grounding resistor monitor
  • Incoming and feed thru cable glands
  • 1200 amp main circuit breaker
  • 4 each 400 amp feeder circuit breakers with 120 vac motorized operators
  • 2 each 400 amp feeder circuit breakers with 120 vac motorized operators
  • 6 each Line Power receptacles
  • Programable Logic Controller with touch screen panel
  • 5 KVA utility transformer 480-240/120 volt and LV distribution panel

750 KVA Mine Power Center

750 KVA Mine Power Center with the following major components:  15 KV 600 Amp Fusible Load Break Switch 750 KVA Dry Transformer 13800-480Y/277 volt three phase, 15 KV Surge Arrestors, Neutral Grounding Resistor,  1200 Amp Main Circuit Breaker, 8 each Westinghouse Mine Duty 225-400 amp Feeder Circuit Breakers, 8 each Startco SE-105 GFGC Monitors, Schweitzer SEL-751 Feeder Protection Relay, Startco SE-325 Neutral Grounding Resistor Monitor, 8 each SMS Receptacles, 5 KVA Control Power Transformer 480-120/240 volt with Distribution Panel. (16577)


750 KVA Mine Power Center

750 KVA Mine Power Center with the following major features and components:

  • Heavy Duty Underground Portable Skid
  • Line Power 15 KV 600 Amp Vacuum Circuit Breaker with Visible Disconnect
  • 750 KVA Dry Transformer 4160-480Y/277 volt three phase
  • 5 KV Surge Arrestors
  • Neutral Grounding Resistor with Startco SE325 Neutral Grounding Resistor Monitor
  • Square D 1000 Amp Main Circuit Breaker
  • Eight Square D Feeder Circuit Breakers with motorized breaker operators
  • Eight Current Transformers and Transducers for PLC Input
  • Eight Line Power Receptacles
  • Programmable Logic Controller with Touch Screen Panel, Industrial Power Supply, Battery Charger, Arc Detection Module and Voltage Regulator
  • 5 KVA Control Power Transformer 480-120/240 volt with Distribution Panel
  • Alarm Beacon and Horn

150 KVA Mine Power Center

150 KVA Mine Power Center with the following major features and components:

  • Heavy Duty Underground Portable Skid
  • Line Power 15 KV 600 Amp Vacuum Circuit Breaker with Visible Disconnect
  • 150 KVA Dry Transformer 4160-480Y/277 volt three phase
  • 5 KV Surge Arrestors
  • Neutral Grounding Resistor with Startco SE325 Neutral Grounding Resistor Monitor
  • Square D 250 Amp Main Circuit Breaker
  • Three Square D Feeder Circuit Breakers with motorized breaker operators
  • Three Current Transformers and Transducers for PLC Input
  • Three Line Power Receptacles
  • Programmable Logic Controller with Touch Screen Panel, Industrial Power Supply, Battery Charger, Arc Detection Module and Voltage Regulator
  • 5 KVA Control Power Transformer 480-120/240 volt with Distribution Panel
  • Alarm Beacon and Horn

Atlas Electric 750 KVA Mine Power Center

Atlas Electric 750 KVA Mine Power Center with the following major components:

  •  ABB 5/15 KV 600 Amp Fused Load Break Switch
  •  750 KVA Copper Wound Dry  Transformer 13800-480Y/277 Volt
  •  1200 Amp Main Circuit Breaker
  •  4 each 400 Amp Feeder Circuit Breakers
  •   4 each 225 Amp Feeder Circuit Breakers
  •   Feeders included Startco SE-105 GFGC Monitors and SMS Receptacles
  •   Neutral Grounding Resistor with Startco SE-325 NGR Monitor
  •   5 KVA Control Power Transformer

750 KVA Mine Power Center 4160-480Y/277 volt

750 KVA Mine Power Center 4160-480Y/277 volt with a primary Load Break Switch, Surge Arrestors, 1200 amp Mine Duty Main Circuit Breaker, two each 400 amp Mine Duty Circuit Breakers, two each 225 amp Mine Duty Circuit Breakers, two each 100 amp Mine Duty Circuit Breakers, Pemco 21059 Ground Fault/Pilot Check Relays, Line Power Receptacles, Neutral Grounding Resistor and Startco SE-325 NGR Monitor


1000 KVA Mine Power Center

1000 KVA Mine Power Center with the following:

  • Heavy Duty Underground Skid designed for vertical and horizontal lifting, hauling or skidding
  • 5 KV Fused Load Break Switch with visible viewing window and lockout provisions
  • 1000 KVA Mine Duty Dry Transformer 4160-480Y/277 volt, three phase (transformer braced for vertical lifting)
  • Cimco Model 21 Temperature Monitor and over-temp warning beacon
  • Main Circuit Eaton 1200 amp with 120 VAC Shunt Trip
  • Five each Eaton E2J225 Feeder Circuit Breakers with UVR
  • Three each Eaton E2K400 Feeder Circuit Breakers with UVR
  • Eight each Pemco 21059 Ground Fault Ground Check Monitors
  • Patton & Cooke 225 amp and 325 amp Receptacles
  • HV Incoming and Feed Thru Cable Gland
  • Distribution Class Surge Arrestors
  • Neutral Grounding Resistor
  • Startco SE325 NGR Monitor
  • Schweitzer SEL-735 Power Quality and Revenue Meter with Ethernet option
  • 3 each 100 KVAR Power Factor Correction Capacitors with circuit breakers and Contactors
  • 10 KVA Dry Transformer 480-240/120 volt, single phase and LV distribution panel

750 KVA Mine Power Center

750 KVA Mine Power Center with the following:

  • Heavy Duty Portable Skid
  • 15 KV Fused Load Break Switch with visible viewing window and lockout provisions
  • 750 KVA Mine Duty Dry Transformer 4160-480Y/277 volt, Copper Wound with RTD’s for PLC input
  • Main Circuit 1000 amp
  • Eight each Siemens Mine Duty Feeder Circuit Breakers with UVR and Motor Operators wired to be PLC controlled
  • PLC Compartment (PLC installed and programed by customer)
  • Pemco 21059 Ground Fault Ground Check Monitors
  • Line Power Receptacles
  • HV Incoming and Feed Thru Cable Glands
  • Distribution Class Surge Arrestors
  • Neutral Grounding Resistor
  • Startco SE325 NGR Monitor with RK325 Remote Reset
  • 5 KVA Dry Transformer 480-240/120 volt with LV Distribution Panel
  • GE Distribution Panel 125 amp, 208Y/120 volt

1000 KVA Mine Power Center

1000 KVA Mine Power Center with the following:

  • Heavy Duty Skid designed for vertical lifting and lowering down mine shaft
  • 15 KV Fused Load Break Switch with visible viewing window and lockout provisions
  • 1000 KVA Mine Duty Dry Transformer 13800-480Y/277 volt with fan cooling and Cimco Temperature Monitor (braced for vertical lifting)
  • Main Circuit 1200 amp with 120 VAC Shunt Trip
  • Nine each Mine Duty Feeder Circuit Breakers with UVR
  • Startco SE105 Ground Fault Ground Check Monitors with RK105 Remote Resets
  • HV Incoming Cable Gland
  • Distribution Class Surge Arrestors
  • Neutral Grounding Resistor
  • Startco SE325 NGR Monitor
  • 45 KVA Dry Transformer 480-208Y/120
  • GE Distribution Panel 125 amp, 208Y/120 volt

1250 KVA Mine Power Center

1250 KVA, 4160-480/277 volt with 5 KV Fused Load Break Switch, Cimco Digital Transformer Temperature Monitor, Schweitzer SEL-735 Power Quality and Revenue Meter, Eaton 1600 amp Main Circuit Breaker, Ten Eaton Feeder Circuit Breakers, Startco SE 105 Ground Fault Ground Check Monitors, 400 amp Vacuum Contactor, Neutral Grounding Resistor with Startco SE 325 Monitor, Patton & Cooke Receptacles, 10 KVA 480-240/120 volt CPT, incoming and feed thru cable glands.


Three each Reconditioned 225 KVA Side Wall Mine Power Center

Three each Reconditioned 225 KVA Side Wall Mine Power Center with the following components:

  • 225 KVA Dry Transformer 13,200-480Y/277 volt, three phase
  • TJB PMG-FH Incoming Plug
  • TJB SFG-FH Feed Thru Receptacle
  • 2 each 100 amp feeder Circuit Breakers
  • 60 amp feeder circuit breaker
  • 3 each PEMCO 554 Ground Fault Relay’s
  • Control Power Transformer

Reconditioned 500 KVA Mine Power Center

Reconditioned 500 KVA Mine Power Center with the following major components:

  • 500 KVA Dry Transformer 13800-480Y/277 volt three phase
  • 15 KV Fusible Load Break Switch
  • Neutral Grounding Resistor
  • Startco SE 325 Neutral Ground Resistor Monitor
  • Westinghouse LAM3400 Feeder Circuit Breaker
  • 5 each Westinghouse KAM3225 Feeder Circuit Breakers
  • 6 each Pemco 21059 Ground Fault Ground Check Monitors
  • 5 KVA 480-120/240 volt Control Power Transformer and Panel

500 KVA Mine Power Center

500 KVA, 4160-600/347 volt with ABB 5/15 KV Fused Load Break Switch, Westinghouse 600 amp Main Circuit Breaker, nine Westinghouse Mine Duty Feeder Breakers, Startco SE 105 Ground Fault Ground Check Monitors, Voltage Present Indicators, Neutral Grounding Resistor with Startco SE 325 Monitor, 10 KVA 600-240/120 volt CPT, incoming and feed thru cable connectors.


750 KVA Mine Power Center

750 KVA, 4160-480/277 volt, with ABB 5/15 Fused Load Break Switch, Surge Arrestors, Westinghouse 1200 amp Secondary Main Circuit Breaker, Westinghouse Feeder Circuit Breakers,  Pemco 21059 Ground Fault Ground Check Monitors, Line Power Receptacles, Neutral Grounding Resistor, 5 KVA 480-120/240 volt Transformer and Distribution Panel.


1000 KVA Mine Power Center

1000 KVA, 4160-480/277 volt, with ABB 5/15 Fused Load Break Switch, Surge Arrestors, Cutler Hammer 1200 amp Secondary Main Circuit Breaker, NGR and Startco SE-325 NGR Monitor, Cutler Hammer Feeder Circuit Breakers, Startco SE-105 Ground-Fault Ground-Check Monitors, Patton & Cooke  Receptacles, Neutral Grounding Resistor, 10KVA 480-120/240 volt Transformer and Distribution Panel.


1000 KVA Mine Power Center

1000 KVA, 4160-480/277 volt, 5 KV Fused Load Break Switch, 1200 amp Secondary Main Circuit Breaker, 10 each Westinghouse KAM3225 Feeder Circuit Breakers, Line Power 300 amp receptacles, Pemco 21059 Ground Fault Ground Check Monitors, Neutral Grounding Resistor, Startco SE-325 Neutral Grounding Resistor Monitor, 5 KV surge arrestors, incoming and feed thru cable glands, 10 KVA 480-120/240 volt transformer and distribution panel.


1000 KVA Mine Power Center

1000 KVA, 4160-480/277 volt, 5 KV Fused Load Break Switch, Distribution Class Surge Arrestors, Secondary 1200 amp Main Circuit Breaker, 8 each Westinghouse Mine Duty Feeder Circuit Breakers, 8 each Startco SE105 Ground Fault Ground Check Monitors, SMS receptacles, Neutral Grounding Resistor, Startco SE 325 Neutral Grounding Resistor Monitor, 5 KVA 480-120/240 volt Transformer and Distribution Panel, incoming and feed thru cable glands.


750 KVA Mine Power Center

750 KVA 4160-480/277 volt three phase with ABB 5/15 KV Fused load break switch, surge arrestors, neutral grounding resistor, 1000 amp Secondary main circuit breaker, 8 ea. Westinghouse mine duty feeder circuit breakers, Pemco 21059 ground fault ground check monitors, Line Power 300 amp cable receptacles, CPT, incoming and feed through cable glands.


Atlas Electric 500KVA Mine Power Center

500 KVA 13,800-480/277 volt with 15 KV Incoming and Feed Thru Plugs, Primary Fused Load Break Switch, Lightning Arrestors, Main Circuit Breaker, NGR and Startco Monitor, GE Multilin Power Quality Meter, 7 each Feeder Breakers with Startco GFPC Relays and TJB Receptacles.



500 KVA Mine Power Center

500 KVA 4160-480/277 volt with 5KV Fused Load Break Switch, Lightning Arrestors, Main Circuit Breaker,  NGR and Startco Monitor, 4 each Feeder Circuit Breakers and Startco GFPC Relays.


6 each 112.5 KVA Mine Power Center

6 each 112.5 KVA 4160-480/277 volt, Outdoor Tundra Duty with Incoming and Loop Feed Cable Strain Flange, 5 KV Fused Load Breaker Switch, 2 each 100 amp Feeder Circuit Breakers 10 KVA Control/ lightning Transformer and Panel.


5 each 1000 KVA Mine Power Center

5 each 1000 KVA 13,800-400/277 volt, 15 KV Fused Load Break Switch, Main Secondary Breaker, NGR with Startco SE 105 GFPC Monitors and Receptacles, 10 KVA 480-240/120 volt Control/ Distribution Transformer and GE Digital Power Meter.


500 KVA Mine Power Center

500 KVA 13,800-480/277 Volt, Incoming Cable Stain Flange, 15 KVA Load Break Switch, Surge Arrestors, NGR with Startco SE 325 Monitor,  5 each feeder Circuit Breaker with Startco SE 105 GFPC Monitors, 10 KVA 480-240/120 Control/ Distribution Transformer and Panel.



300 KVA Mine Power Center

300 KVA 2400-480/277 volt with 15 KV incoming and Feed Thru Glands, Primary Fused Load Break Switch, Lightning Arrestors, 5 each Feeder with Startco SE-105 GFPC Relays and Line Power Receptacles.

Trusted & Verified Professionals

Atlas is a Member Company of both PEARL and EASA, confirming our commitment to exceeding industry standards and customer satisfaction.

We carry all Major Brands

Allen Bradley
General Electric
Eaton Cutler-Hammer
Westinghouse
Square D
Siemens
ABB