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Single-Phase Overhead Transformers                                 

Transformers from Cooper Power Systems are known for their outstanding performance in a wide variety of applications.

SINGLE-PHASE OVERHEAD TRANSFORMERS

PRODUCT LITERATURE

Single-Phase Conventional TransformerSingle-Phase-Conventional-O

  • TYPE: Single-Phase, 50 or 60 Hz
  • LIQUID TYPE: Mineral Oil or Envirotemp® FR3™ Fluid
  • kVA: 5-500
  • PRIMARY VOLTAGE: 2400-46,000 V
  • SECONDARY VOLTAGE: 120-600 V

The single-phase conventional overhead transformer is designed with an interlaced core (5-50 kVA) recommended by Electric Power Research Institute(EPRI). Polymer low-voltage bushings are standard at 5-50 kVA. Radiators are included at 250 kVA and above.


Single-Phase Completely Self-Protected Transformer - (CSP)Single-Phase-CSP-Overhead

  • TYPE: Single-Phase, 50 or 60 Hz
  • LIQUID TYPE: Mineral Oil or Envirotemp FR3 Fluid
  • kVA: 5-167
  • PRIMARY VOLTAGE: 2400-19,920 V
  • SECONDARY VOLTAGE: 120-600 V

Protected transformers are available with a variety of protection options including a MagneX® Interrupter, a secondary breaker with weak link for secondary fault and overload protection, a primary weak link fuse, current-limiting fusing for high interrupting ratings and limiting fault currents, and internal or external lightning arresters.


Lightning Protected Transformer (LPT ™ Single_Phase_Overhead_LPT)

  • TYPE: Single-Phase, 50 or 60 Hz
  • LIQUID TYPE: Mineral Oil or Envirotemp FR3 Fluid
  • kVA: 5-500
  • PRIMARY VOLTAGE: 2400-46,000 V
  • SECONDARY VOLTAGE: 120-600 V

The Lightning Protected Transformer virtually eliminates transformer failure due to lightning. An internally-gapped, direct connected VariGAP® arrester, designed by Cooper, provides overvoltage protection.

Cooper’s STORM TRAPPER® high-energy arrester, a low-voltage distribution arrester, is mounted directly to the transformer secondary windings, protecting the transformer from failures caused by secondary induced surges. A properly coordinated D-Link fuse by Cooper provides superior over-current protection.


For more information or to request a quote, please contact RM Reps.

1 PHASE TRANSFORMER INFO

Single-Phase Overhead-Distribution Transformers

Installation & Maintenance-Single Phase Overhead Distribution Transformer Instructions

Product Guide-High Performance Distribution Transformers

MagneX-Protected (MP) Pole-mounted Transformer

A Direct Hit Against Transformer Failure Costs W/LPT™

The Lightning Protected Transformer

Full-Load Current Reference Card

ENVIROTRAN® EF™ INFO

Envirotran EF Overhead Transformers

Envirotran® Product Brief

Optimizing Envirotran® EF™ Transformer Energy Efficiency and Cost Effectiveness

VALUE POINTS

Copper vs. Aluminum Conductor

Bay-O-Net with ELSP Fuse vs. Drywell Canister Fusing

Voltage Regulators vs. Load Tap Changers

VFI Transformer vs. Switchgear

Transformer Coating System

Power Factor

UL Listing and NEC Compliance

Isolated vs. Solidly Grounded Core

Bolt-On vs. Weld-On Radiators

Rectangular vs. Round Coils

Harmonic Load

Bolt-On vs. Weld-On Tank Covers

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