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ENVIROTRAN® EF™ ENVIRONMENTALLY FRIENDLY TRANSFORMERS
 Envirotran® EF™ transformers signal the beginning of a new era in liquid-filled transformer design. They are the industry’s first transformers to use an edible vegetable oil-based, high-fire-point dielectric coolant. This technological and environmental design breakthrough is the result of years of research and development in dielectric fluids and their use in transformers. Confirmed with extensive laboratory and field testing, Envirotran transformers are safer for Earth and its inhabitants. They have exceptional performance characteristics, making them ideal for indoor or outdoor installations.
kVA: 45-10,000 kVA
Primary Voltage: Through 46 kV Classes, 250 kV BIL
Secondary Voltage: Through 15 kV, 95 kV BIL
Envirotran K-Plus
K-Factor (FHL) Ratings: K4, K9, K13, K20
Specification Template
THREE-PHASE PADMOUNTED TRANSFORMERS
 Cooper Power Systems three-phase pad-mounted compartmental type distribution transformers are designed for indoor or outdoor locations. Unobtrusive construction allows them to be installed in locations exposed to public view like schools, shopping centers and industrial sites. A wide array of configurations and accessories are available to meet a broad range of application demands.
TYPE: Three-Phase, 50 or 60 Hz, 65°C (55°C/65°C Optional)
LIQUID TYPE: Mineral Oil or Envirotemp FR3 Fluid
kVA: 45-10000
PRIMARY VOLTAGE: 2400-43,800 V (250kV BIL) With or Without Taps, Delta or Wye Connected, Dual Voltages Available
SECONDARY VOLTAGE: 208Y/120 V to 24,940 V
Specification Template
Quotation Checklist
VFI TRANSFORMERS
The VFI transformer from Cooper Power Systems combines a conventional distribution transformer with the proven Kyle Vacuum Fault Interrupter (VFI). This combination provides both voltage transformation and overcurrent protection in one space saving, money saving package.
The VFI transformer is practical for new or existing distribution systems where conventional transformer/switchgear packages are being considered. It is the superior choice for applications where conventional protective equipment doesn't provide adequate protection or coordination, where aesthetics are particularly important, or where real estate is limited.
It requires as little as half the space of conventional transformer/switchgear packages. And because there is only one piece of equipment to install, the installation is simpler, cheaper, and more aesthetically pleasing. One piece of equipment also means that costs associated with maintenance and operation are reduced.
TYPE: Three-Phase, 50 or 60 Hz, 65°C (55°C/65°C Optional)
with VFI Switch for Transformer or Loop Protection
LIQUID TYPE: Mineral Oil or Envirotemp FR3 Fluid
kVA: 45-7500
PRIMARY VOLTAGE: 2400-34,500 V (150 kV BIL) Delta or Wye Connected
SECONDARY VOLTAGE: 208Y/120 V to 24,940 V
Specification Template
Quotation Checklist
SUBMITTAL RELATED DOCUMENTS
For more information or to request a quote, please contact RM Reps.
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