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/Mobile Switchgear - Recent projects gallery


New 4 bay 25 KV, 600 Amp, Skid Mounted, Fusible Load Break Switch Line-up

  • 4ea New ABB 25 KV, 600 Amp, 125KV BIL. 25kA Load Break Switch with door interlock
  • N3R Enclosure door behind door construction
  • Visible Viewing Windows 
  • Switch Lock-out Provisions
  • New 15kVA 25kv-120/240 CPT with panel
  • Strip heaters in bottom of each vertical section from one common thermostat
  • Cable entry/exit through bottom. Removable plates for customer to punch fittings for cable
  • Continuous Ground Bus
  • 1 ea. Hawk HWK-100-CL, 4” IR Windows on ea. Switch and Line Connections (Total of 4 ea. Windows)

Atlas Electric Line Continuation Panel Model LCP-2

Atlas Electric Line Continuation Panel Model LCP-2 with the following major components and features:

  • 2 each New Startco SE105 G.F.G.C. Monitor with RK105 Remote Reset
  • 480-120 Volt CPT with Fuses
  • 2 each EATON E2J 225a, 1125-2250 Thermal/Mag Trip with New 120 Volt UVR Wired to New Cooper X8346-8 Receptacles with Cap
  • New X8347-13 Incoming gear mount plug
  • 2 each Cable Operators with Lock-out Provisions
  • 2 each New Grace Voltage Vision Voltage Indicator, CAT# R-3W2-KB (2ea outgoing feeders)
  • Heavy Duty 10 Gauge Construction with Mounting Provisions top and bottom
  • Powder Coated Safety Yellow
  • All wiring to form a working package

15KV 1200 AMP Switchgear Skid

*Skid Mounted 15KV 1200 AMP NEMA 3R Switchgear
*400A Incoming Main Breaker with SEL Relay and Power Quality Metering
*4ea Feeder Breakers with SEL Relays and Power Quality Metering
*200 KVA 12KV:208/120 N3R Auxiliary Transformer
*600A 208/120V N3R Auxiliary Panelboard


Portable Temporary Power Carts

150KVA Portable Temporary Power carts:

  • Custom build mobile skids (Carts) with caster wheels for manual placement on site, also designed for forklift or pallet jack lifting
  • 480/277V 225A 3PH 4-Wire NEMA 3R 42 Circuit Panelboard
  • 150KVA Dry NEMA 3R Three Phase 480/277-208/120V Transformer
  • 208/120V 400A 3PH 4-Wire NEMA 3R 42 Circuit Panelboard
  • 120V 15A GFCI Weatherproof Service Outlet Provided
  • External Ground Pads with NEMA Hole Pattern

SHIPYARD PORTABLE POWER DITRIBUTION SYSTEM

Quantity of 4 Portable Power Distribution Skids with the following major components:

  • Heavy Duty Skid with forklift pockets designed for lifting and towing in either direction
  • Incoming Camlock Cable Connectors
  • 6 each Eaton KD3400 Circuit Breakers wired to outgoing Camlock Cable Connectors

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 15 KV Outdoor Skid Mounted Automatic Transfer Switch

Atlas Electric Custom Manufactured 15 KV Outdoor Skid Mounted Automatic Transfer Switch with the following major components and features:

  • Heavy Duty Portable Skid designed for lifting and towing
  • 3 each 5/15 KV Becker SMC 600 amp Electrically Operated Vacuum Circuit Breakers with Multilin 350 Feeder Protection Relays
  • 2ea Neutral Grounding Resistors, 15kV L-L 7200v L-N, 5amp 5 minute rating
  • GE Multilin PQMII Power Quality Meter
  • Programmable Logic Controller
  • 2 each 2 KVA Control Power Transformers 13800-120/240 volt
  • 3 each 15 KV Potential Transformers
  • 1 each Startco SE-135 GF/GC relay
  • CSA inspected and labeled

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

Atlas Electric Skid Mounted Switchgear, 15 KV 600 amp

Atlas Electric Skid Mounted Switchgear, 15 KV 600 amp with the following major components and features:

  •  Becker SMC 5/15 KV 600 amp electrically operated main vacuum circuit breakers with visible disconnect and Multilin 350 feeder protection relay
  •  2 each Becker SMC 5/15 KV 600 amp electrically operated feeder vacuum circuit breakers with visible disconnect and Multilin 350 feeder protection relays
  •  2 each 2 KVA control power transformers 13800-244/120 volt
  •  3 each 15 KV potential transformers
  •  GE Multilin PQMII power quality meter 
  •  Startco SE-135 GF/GC relay
  •  2 each 15/7.2 KV neutral grounding resistors
  •  Individual breaker secondary compartments
  •  Spare breaker cell


SHIPYARD PORTABLE POWER DISTRIBUTION SYSTEM

Quantity of 4 Portable Power Distribution Skids with the following major components:

  • Heavy Duty Skid with forklift pockets designed for lifting and towing in either direction
  • Incoming Camlock Cable Connectors
  • 4 each Eaton KD3400 Circuit Breakers wired to outgoing Camlock Cable Connectors

Portable Skid Mounted 600 Amp 480 Volt Power Distribution Center

Portable Skid Mounted 600 Amp 480 Volt Power Distribution Center designed for lifting and towing in either direction with the following major components:

  • Line Power RG60DFC064 Incoming and Feed Thru couplers
  • Eaton E2K 3400 Mine Duty Circuit Breaker with 120v UVR wired to SMS 8340-10 receptacle
  • Eaton E2K 3250 Mine Duty Circuit Breaker with 120v UVR wired to SMS 8339-3 receptacle
  • Eaton E2K 3150 Mine Duty Circuit Breaker with 120v UVR wired to SMS 8338-8 receptacle
  • 2 each Eaton E2K 3070 Mine Duty Circuit Breakers with 120v UVR wired to SMS 8338-8 receptacles
  • AMR GM-150-5 Ground Check Monitors for all circuits
  • IE IGFR-3 Ground Fault Relays for all circuits
  • 5kva Control Power Transformer with lighting panel and receptacles

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

Skid mounted low voltage outdoor walk-in switch-house

Custom fabricated skid mounted low voltage outdoor walk-in switch-house with reconditioned Westinghouse DS-II switchgear. The switchgear included 3200 amp main-tie-main electrically operated draw-out circuit breakers and 4 each 1600 amp electrically operated draw-out feeder circuit breakers. Additionally, the main and feeder breakers came with cam-lock cable connectors wired to exterior of the enclosure to facilitate the quick moving and re-connection of the switchgear.


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

15 KV Skid Mounted Portable Switchgear

15 KV Skid Mounted Portable Switchgear with the following major components: 15 KV 600 Amp Non-Fusible Load Break Switch, 2 each Line Power 15 KV 600 Amp Vacuum Circuit Breaker with Multilin 350 Feeder Protection Relays, 5 KVA Control Power Transformer 13800-120/240 Volt with Secondary Distribution Panel, 2 each Pemco 579A Ground Check Monitors, PQMII Power Quality Meter. (16650)


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.


SHIPYARD PORTABLE POWER DISTRIBUTION SYSTEM

Quantity of 12 Portable Power Distribution Skids with the following major components:

  • Heavy Duty Skid with forklift pockets designed for lifting and towing in either direction
  • Incoming Camlock Cable Connectors
  • Siemens TYZ Main Breaker NEMA 3R Panelboard, 400 Amp, 480Y/277 volt with 4 each 100 amp, and 1 each 70 amp branch breakers
  • Federal Pacific 45KVA Dry Transformer 480-208Y120 Volt three phase
  • Siemens 200 Amp Main Breaker Panelboard 208Y/120 Volt three phase with assorted branch breakers
  • All branch breakers wired to outgoing receptacles   

Portable Skid Mounted 15 KV 600 Amp Vacuum Circuit Breaker

Portable Skid Mounted 15 KV 600 Amp Vacuum Circuit Breaker with the following major components:

  • Line Power Electrically Operated Vacuum Circuit Breaker with Visible Non-Load Disconnect and Visible Vewing Window
  •  5 KVA 13200-120/240 volt Control Power Transformer and Distribution Panel
  •  Schweitzer SEL-751A Feeder Protection Relay
  •  Pemco 579A Ground Check Relay
  •  15 KV Distribution Class Surge Arrestors

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.


2000 amp 480 Volt Power Distribution Center

2000 amp 480 Volt Power Distribution Center with the following major components:

  • Heavy Duty Portable Skid with Fork Lift Pockets, Towing Eyes, and Door Behind Door Enclosure Construction
  • 2000 Amp 480 Volt Main Lug Bus
  • 5 each GE SKLA8 Circuit Breakers with 800 amp Rating Plugs
  • 2 each GE SELA 100 amp Circuit Breakers wired to Appleton ADR1034 Receptacles
  • 75 KVA Dry Transformer 480-240/120 volt connected by a SELA 150 amp Circuit Breaker and feeding a GE 300 Amp Low Voltage Distribution Panel
  • 4 each 15 amp 120 volt GFI Receptacles
  • 2 each 60 amp Welding Receptacles

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.


1200 amp 600 volt Portable Mining Switchgear

Portable Mining Switchgear with 1200 amp 600 volt GE Spectra Series Panelboard, 10 each Feeder Circuit Breakers with Startco GFPC relays and Joy receptacles.


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 600 amp

Portable Mining Switchgear 5 KV 600 amp with line side termination compartment and 2 each 5 KV 600 amp Fused Load Break Switches.


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.


Reconditioned Powell 5 KV 600 Amp Outdoor Skid Mounted Switchgear

Reconditioned Powell 5 KV 600 Amp Outdoor Skid Mounted Switchgear lineup with Incoming Fused Load Break Switch, 3 each Feeder Fused Load Break Switches, 10 KVA 4160-480/120 volt Dry Transformer and Lighting Panel.


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

Skid Mounted Portable Power Distribution Center

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

  • General Electric Spectra Series Outdoor Panelboard 600 amp 480/277 volt three phase
  • Asco 600 amp Outdoor Transfer Switch 480/277 volt three phase

800 amp Heavy Duty Portable Outdoor Enclosure

Heavy Duty Portable Outdoor Enclosure with 800 amp Main Circuit Breaker, Joslyn Clark Vacuum Contactor, Startco SE-325 NGR Monitor, Startco SE-105 GFGC Relay and Startco PGR-8800 Arc Flash Relay.


15 KV 600 amp Fused Load Break Switch

15 KV 600 amp Fused Load Break Switch with Heavy Duty Portable Enclosure, 15 KV TJB Gear Mount Plug and Feed Thru Sockets.


5 KV 630 amp Toshiba Vacuum Circuit Breaker

5 KV 630 amp Toshiba Vacuum Circuit Breaker in Heavy Duty Portable Enclosure with GE Multilin Over Current Relay, Incoming and Outgoing Cable Glands.


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.


5 KV Outdoor Skid Mounted Switchgear Line Up

5 KV Outdoor Skid Mounted Switchgear Line Up with 2 each Cutler Hammer Load Break Switches, 2 each Line Power 5/15KV 600 amp Vacuum Circuit Breakers, GE Multilin Overcurrent relays, Startco SE 105 GFPC Relays, CPT and Panel.


15 KV 600 amp Skid Mounted Switchgear Line Up

15 KV 600 amp Skid Mounted Switchgear Line Up with 3 each ABB Fused Load Break Switches, Incoming and Feed Thru Cable Glands, 600 amp Main Buss and Termination Compartment and 3 each Outgoing Cable Glands.


5 KV Switchgear with ABB 600 amp Non- Fusible Load Break Switch

5 KV Switchgear with ABB 600 amp Non- Fusible Load Break Switch, Toshiba 600 amp Vacuum Circuit Breaker, GE Multilin 735 Overcurrent Relay and PEMCO Ground Fault- Ground Check Monitor.


15 KV ABB 600 amp Skid Mounted Portable Mining Switchgear

Skid Mounted Portable Mining Switchgear with 15 KV ABB 600 amp Fused Load BreakSwitch, Mine Duty N3R enclosure, line and load side flange terminators.


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.