1203 N. Havana St. - Spokane, WA 99202
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Atlas Electric designs and manufactures a wide variety of Portable Mining Switchgear. With over 25 years of experience in the mining industry our knowledgeable sales and engineering staff can design a solution for virtually any surface mining, underground mining or tunneling application. Our equipment is designed with safety in mind and meets all applicable industry standards and MSHA regulations.

Features and Options

  • Skid, Trailer or Rail Mount
  • Low, Medium and High Voltage
  • SF6 Gas Insulated Vacuum Circuit Breakers
  • Fused and Non Fused Load Interrupter Switches
  • Vacuum Circuit Breakers
  • Neutral Grounding Resistors
  • Low Voltage Panelboards and Switchboards
  • Solid State Reduced Voltage Starters
  • Variable Frequency Drives
  • Motor Control Centers
  • Custom Motor Control Cabinets

Portable Mining Switchgear - Recent projects gallery


Atlas Electric Custom Manufactured Skid Mounted Distribution Center

Atlas Electric Custom Manufactured Skid Mounted Distribution Center with the following major components and features:

  • Heavy duty skid designed for lifting or towing in either direction
  • Heavy Duty N3R enclosure for added protection around switchboard
  • Eaton 800 amp Pow-R-Line Switchboard 480Y/277 volt three phase four wire with a main breaker and assorted feeder breakers
  • 9 ea. New Startco SE‐105 Ground Fault Ground Check Monitors and Remote Reset
  • New 5 KVA 480‐120/240 volt Control Power Transformer with Distribution Panel
  • 4 ea. New SMS X8347 Receptacle with Cap, 325 Amp
  • 3 ea. New SMS X8346 Receptacle with Cap, 225 Amp
  • 1 ea. New SMS X8344 Receptacles with Caps, 125 Amp
  • 1 ea. Schweitzer SEL 751 Feeder Protection Relay

15 KV Skid Mounted Power Distribution Switchgear

15 KV Skid Mounted Power Distribution Switchgear with the following major components:

  • Heavy Duty Skid designed for lifting or towing
  • 3 each SMC 15 KV, 600 Amp, Electrically Operated Vacuum Circuit Breakers, 600 amp, with integral visible non-load disconnect switch (1 Main 3 Feeders)
  • 4 each Schweitzer SEL-751A Feeder Protection Relays
  • Becker SMC D-4000-10-HV Ground Monitor
  • 5 KVA Control Power Transformer 13800-120/240 volt
  • 125VDC Battery System and Charger

5KV 600 Amp Portable Mining Switchgear

5KV 600 Amp Portable Mining Switchgear with the following major components:

  • Heavy Duty Skid Mounted Enclosure N12/3R
  • ABB 5/15 KV, 600 Amp, Fusible Load Break Switch
  • Toshiba HV6CS-ML, 7.2/4.8KV, 600 Amp, Manually Operated Vacuum Circuit
  • Control Power Transformer 4160-120 volt
  • Capacitor Trip Device
  • Schweitzer SEL-751A Feeder Protection Relay
  • Startco SE-105 GFGC Monitor

Atlas Electric 5KV 600 Amp Portable Mining Switchgear

Atlas Electric 5KV 600 Amp Portable Mining Switchgear with the following major components:

  • 2 each Main Incoming ABB 5/15Kv 600 Amp Non-Fused Load Break Switches with dual source kirk key interlocking
  • 6 each  Line Power 5/15 KV 600 Amp Vacuum Circuit Breakers with visible Non-Load Disconnects
  • 6 each Schweitzer 751A Feeder Protection Relay’s
  • 6 each PEMCO 579 High Voltage Ground Monitor
  • 10 KVA Control Power Transformer 4160-120/240 volt

Portable Mining Switchgear

Portable Mining Switchgear with the following major components:

  • Heavy Duty Skid Mounted Enclosure
  • Two each 5 KV 600 AMP Non Fusible Load Interrupter Switches with kirk-key interlocking
  • Toshiba 5 KV 600 Amp Manually Operated Vacuum Circuit Breaker
  • GE Multilin 735 Protection Relay
  • Pemco PEM 579 High Voltage Ground Fault Ground Check Monitor
  • DC Power Supply
  • Capacitor Trip Device
  • Control Power Transformer 4160-120 volt

Portable Mining Switchgear

Portable Mining Switchgear with the following major components:

  • Heavy Duty Skid Mounted Enclosure with Weatherproof Door Behind Door Construction
  • 5 KV 600 AMP Non Fusible Load Interrupter Switch
  • Toshiba 5 KV 600 Amp Manually Operated Vacuum Circuit Breaker
  • SEL 751A Feeder Protection Relay
  • Startco Ground Fault Ground Check Relay
  • DC Power Supply
  • Capacitor Trip Device
  • Control Power Transformer 4160-120 volt

Skid Mounted 600 amp 5 KV Portable Load Break Switch Lineup

Skid Mounted 600 amp 5 KV Portable Load Break Switch Lineup with the following features:

  • 600 amp Main Copper Bus with Incoming Termination Section
  • 600 amp Main Non-Fused Load Break Switch Visible Viewing Window and Lockout Provisions
  • 3 each 600 amp Main Non-Fused Load Break Switch Visible Viewing Window and Lockout Provisions
  • Incoming and Outgoing Cable Glands

Portable Mining Switchgear

Portable Mining Switchgear with the following major components and features: 3 each 15 KV 600 amp non-fusible Load Break Switches, Incoming and Feed Thru Section with 600 amp Line Side Copper Tinned Bus, Cable Glands, Hawk IR Windows in each section


Skid Mounted Power Distribution Center

Skid Mounted Power Distribution Center with the following:

  • New Heavy Duty Skid with Forklift Pockets
  • Reconditioned 300 KVA Dry Transformer 2400-480 volt three phase delta connected
  • New 480/277 volt Neutral Deriving Zig-Zag Transformer
  • 4 each Reconditioned Cutler Hammer KAM3225 Circuit Breakers with New Operating Mechanisms, Grace Voltage Indicators, and Hoffman Enclosures

Mine Duty Skid Mounted Switchgear

Mine Duty Skid Mounted Switchgear with the following major components: Main and Feed Thru ABB 5/15 KV 600 amp Non-Fused Load Break Switches, 6 each Toshiba 630 amp 7.2KV Vacuum Circuit Breakers, GE Multilin 735 Feeder Protection Relays, Pemco PEM-579 High Voltage Pilot-Check Monitors with capacitor trip device, 10 KVA 4160-120/240 volt control power transformer with distribution panel.


ABB 5KV Portable Skid Mounted Switchgear Lineup

Portable Skid Mounted Switchgear Lineup with ABB 5 KV 600 amp Fused Load Break Switch, ABB 5 KV Non-Fusible Load Break Switch for visible disconnecting means ahead of Toshiba HV6AS-L 7.2 KV 630 amp Manually Operated Vacuum Circuit Breaker, GE MIFII overcurrent relay, Pemco PEM 579 High Voltage Ground Fault Ground Check Relay, capacitor trip device, 4160-120 volt control power transformer, DC power supply, incoming and outgoing cable glands, NEMA 12/3R Enclosure.


5 KV 600 amp Switchgear lineup

5 KV 600 amp Switchgear lineup in heavy duty skid mounted NEMA 12/3R steel enclosure with 2 each ABB non-fusible load break switches, Toshiba HV6AS-L Vacuum Circuit Breaker, GE Multilin 735 overcurrent protection relay, Pemco high voltage ground check monitor, glands for incoming, feed through and secondary cable connection.


Toshiba 5 KV 600 amp Vacuum Circuit Breaker

Toshiba 5 KV 600 amp Vacuum Circuit Breaker in heavy duty portable steel enclosure with GE Multilin MIFII overcurrent protection relay, Pemco high voltage ground check monitor, CPT,  TJB4 high voltage gear receptacles for incoming, feed through and secondary cable connection.



Extra Heavy Duty Line Continuation Panels

Extra Heavy Duty Line Continuation Panels with the following major components:

  • Two each Westinghouse KAM frame Mine Duty Circuit Breakers with UVR
  • Two each Startco SE105 GFGC Monitors with RK105 Remote Reset
  • Control Power Transformer 480-120 volt
  • Incoming and Outgoing Panel Mount Cord Connectors


Portable Mining Switchgear 5 KV

Portable Mining Switchgear 5 KV underground distribution with main incoming 5 KV receptacle and 2 each 5 KV 600 amp visi-break vacuum circuit breakers wired to 5 KV receptacles with GE Multilin Relays.


Portable Power Distribution Center

Portable Power Distribution Center with the following major components:

  • Heavy  Duty Skid with Forklift Pockets and Towing Eyes
  • Distribution Type Splitter Box 400 Amp, 600 Volt N-3R
  • GE 400 Amp Fused Disconnect N-3R
  • 2 each GE 200 Amp Fused Disconnects N-3R
  • 3 each GE 100 Amp Fused Disconnect N-3R
  • Federal Pacific Dry Transformer 75 KVA 600-208Y/120 Volt 3 Phase N-3R
  • GE Main Breaker Distribution Panelboard 225 Amp, 208Y/120 Volt N-3R

Skid Mounted Portable Power Distribution Center

Skid Mounted Portable Power Distribution Center with the following major components:

  • General Electric 200 amp Primary Side Circuit Breaker in NEMA 3R Enclosure
  • 150 KVA Square D Dry Transformer 480-120/208 volt, three phase
  • General Electric Spectra Series Outdoor Panelboard 400 amp 120/208 volt three phase





Portable Mining Switchgear

Portable Mining Switchgear with incoming and feed through 15 KV Load Break Switches and 4 each 1200 amp vacuum Feeder Circuit Breakers, including GE MIF II overcurrent protection.


Recondition customers Skid Mounted Power Distribution Center

Recondition customers Skid Mounted Power Distribution Center with 4 ea. Westinghouse Mine Duty Breakers, Ground Fault Ground Check Monitors, SMS Gear Mounted Receptacles and 1 KVA 480-120 volt CPT. The reconditioning process included complete dismantling, sandblasting of skid and enclosure, paint, testing and necessary repair of all components, reassembly, and all new wiring.






ABB 5 KV Skid Mounted Portable Mining Switchgear

Skid Mounted Portable Mining Switchgear with ABB 5 KV Fused Load Break Switch, Toshiba HV6AS-L Manually Operated Circuit Breaker 7.2 KV 630 amp, GE Multilin MIFII Over Current Relay, Startco SE105 GFGC Relay, Control Power Transformer, NEMA 12/3R Enclosure.

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