Howard Industries manufactures a complete line of three-phase overhead distribution transformers, designed for safety and reliability.

Contact your distributor or factory representative for availability of other kVA sizes, voltage ratings, features, accessories and design standards not listed.

• KVA Ratings (65° Rise)
  30, 45, 75, 112.5, 150, 225, 300
• High-Voltage Ratings
  4160GrdY/2400 through 34500GrdY/19920
  (60 kV through 150 kV BIL)
• Low-Voltage Ratings
  208Y/120, 480Y/277, 240, 480,
  240 with 120 mid-tap, and 480 with 240 mid-tap
  (30 kV BIL)

• Meets or exceeds current ANSI and NEMA standards
• Vertical triplex design
• Wet-process porcelain high-voltage bushings
  (oil-filled at 125 kV BIL and above for reduced radio interference)
• Molded polymer or wet-process porcelain low-voltage bushings
• Tin-plated bronze terminals suitable for connection to copper or aluminum
• Low-voltage grounding provision
• Low-voltage ground strap
• Permanently stamped identification on internal secondary leads
• Visible cover ground connected to upper mounting bracket
• Tank grounding provisions
• Tank ground connector
• Automatic pressure relief valve for added safety
• Mineral oil with oxidation inhibitor
• Mild steel tank, cover and ring
• Corrosion-resistant cover-ring hardware
• Continuous-bead welding on lifting lugs and mounting brackets
  for increased safety and corrosion resistance
• Recessed tank bottom for scuff protection
• Tough powder-paint finish for improved resistance to abrasion and corrosion
• 10 kV minimum cover and ring insulation
• KVA marking on tank
• Internal oil-level mark
• Laser-engraved aluminum nameplate

• Stainless steel tank and/or cover and/or cover ring
• Lightning arrester mounting provisions
• Lightning arresters, externally-mounted
• High-voltage tap switch with external operating handle:
  5-2.5% taps above normal; or 5-2.5% taps below normal;
  or 2-2.5% taps above and below normal;
  or taps at 13800/13200/12870/12540 for units rated 14400
• Dual high-voltage switch with external operating handle
• Drain valve with oil sampling device
• Temperature gauge
• Liquid level gauge
• Pressure/vacuum gauge
• Wildlife protection
• Beta or seed-based vegetable dielectric fluid
• Custom stenciling and labeling
• Laser engraved stainless steel nameplate
• RUS accepted designs
• NEMA TP-1 compliant designs