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Built to Comply.
Engineered to Perform.

3

The Cobre Advantage

Fast Lead Times

Long manufacturing wait times stall projects. Cobre delivers transformers quickly to keep your projects on schedule.

Industrial Grade

Built to handle the demanding conditions of industrial and oil and gas operations.

Stop Renting Power

We supply bulk orders for facilities and artificial lift systems so you can stop relying on costly temporary generators.

Lower Cost

We offer cost-effective options that beat most standard industry pricing.
Three-Phase Pad-Mount Transformers
01

Three-Phase Pad-Mount Transformers

300 kVA – 4,000 kVA

Detailed specifications available for 500–1,000 kVA.

Application

Underground distribution systems for industrial, commercial, and utility sites.

Specifications
  • Deadfront, compartmental cabinet design.
  • Copper or aluminum windings with ONAN cooling panels.
  • Mineral Oil, Non-PCB, or FR3 fluid options.
  • 5-position de-energized tap changer.
  • Fully compliant with ANSI/IEEE C57.12 and C57.12.28 standards.
  • Available in DOE Compliant efficiency versions.
DOE CompliantANSI/IEEE C57.12C57.12.28
Single-Phase Pole-Mount Transformers
02

Single-Phase Pole-Mount Transformers

5 kVA – 333 kVA
Application

Overhead distribution service requiring durable pole installations.

Specifications
  • Self-cooled, conventional overhead design.
  • Copper or aluminum winding options.
  • Cover-mounted bushings for direct line connections.
  • Optional dual-voltage switch.
  • Fully compliant with ANSI/IEEE C57.12 standards and Figure 1 of C57.12.20.
  • Available in DOE Compliant efficiency versions.
DOE CompliantANSI/IEEE C57.12C57.12.20 Fig. 1
Three-Phase Substation Transformers
03

Three-Phase Substation Transformers

1,000 kVA – 4,000 kVA & up
Application

Large pad installations, substations, and high-capacity loops.

Specifications
  • High-capacity oil-immersed construction with a robust tank design.
  • 5-position de-energized tap changer on the high-voltage side.
  • Integrated radiator cooling system.
  • Fully compliant with IEEE C57.12.00, C57.12.10, and C57.12.20 standards.
  • Available in DOE Compliant efficiency versions.
DOE CompliantIEEE C57.12.00C57.12.10C57.12.20
Factory Testing and Field Diagnostics

Every unit undergoes strict factory testing before shipping. Our capabilities include:

  • Insulation resistance, turns ratio, polarity, and winding resistance tests.
  • No-load losses, load losses, impedance, and excitation current testing.
  • On-site troubleshooting, preventative maintenance, and power quality metering.

Our Products

Three-Phase Pad-Mount
Single-Phase Pole-Mount
Three-Phase Substation
Factory Testing and Field Diagnostics

Cobre Locations

Cobre Carlsbad
Carlsbad, NM 88220

Cobre Odessa
Odessa, TX 79763

Cobre Gonzales
Gonzales, TX 78629

Contact Cobre

(575) 689-5200

[email protected]