Single-Phase Overhead Transformers

Single-Phase Conventional Overhead Transformer

Ratings

KVA Ratings (65° Rise):
0.5, 1, 1.5, 3, 5, 10, 15, 25, 37.5, 50, 75, 100, 167, 250, 333, 500, 833
High-Voltage Ratings:
2400/4160Y or 4160GrdY/2400
19920/34500GrdY or 34500GrdY/19920 (60 kV through 250 kV BIL)
Low-Voltage Ratings:
120, 120/240, 240/480 or 277 (30 kV BIL)

Documents

Overhead Transformer Installation, Operation, And Maintenance Manual
Overhead Transformer Brochure

Single-Phase Overhead Micro-Power Transformer

Ratings

KVA Ratings (65° Rise):
0.5, 1, 1.5, or 3 kVA
High-Voltage Ratings:
2400/4160Y through 19920/34500GrdY (2 HV bushings) or 4160GrdY/2400 through 34500GrdY/19920 (1 HV bushing)
Low-Voltage Ratings:
120 (1 or 2 LV bushings), 120/240 (3 LV bushings), 240 (1 or 2 LV bushings), 240/480 (3 LV bushings), or 277 (1 or 2 LV bushings) (30 KV BIL)

Documents

Overhead Transformer Brochure
Overhead Transformer Instructions

Single-Phase Investor-Owned CSP Overhead Transformer

Howard Industries manufactures a complete line of single-phase conventional overhead distribution transformers, all designed with increased margins of safety and reliability.

Howard Industries manufactures a complete line of transformers, all designed with increased margins of safety and reliability. Contact your distributor or factory representative for availability of other kVA sizes, voltage ratings, features, accessories and design standards not listed.

Talk to us about filling a custom order that best fits your needs

Documents

Overhead Transformer Installation, Operation, And Maintenance Manual
Overhead Transformer Brochure

Single-Phase Rural CSP Overhead Transformer

Ratings

KVA Ratings (65° Rise):
5, 10, 15, 25, 37.5, 50, 75, 100
High-Voltage Ratings:
4160GrdY/2400 through 34500GrdY/19920 (60 kV through 200 kV BIL)
Low-Voltage Ratings:
120, 120/340, 240/480, 277, 346 or 600 (30 kV BIL)

Documents

Overhead Transformer Installation, Operation, And Maintenance Manual
Overhead Transformer Brochure

Single-Phase Overhead Step-Up/Step-Down

Ratings

KVA Ratings (65° Rise):
50, 75, 100, 167, 250, 333, 500, 833
High-Voltage Ratings:
7200/12470Y or 12470 GrdY/7200 through
&nbp;
19920/34500GrdY or 34500GrdY/19920 (95 kV through 150 kV BIL)
Low-Voltage Ratings:
2400 (60 kV BIL) through 7970 (95 kV BIL)

Dcouments

Overhead Transformer Installation, Operation, And Maintenance Manual
Overhead Transformer Brochure

Single-Phase Overhead Autotransformer

Howard Industries manufactures a complete line of single-phase conventional overhead distribution transformers, all designed with increased margins of safety and reliability.

Howard Industries manufactures a complete line of transformers, all designed with increased margins of safety and reliability. Contact your distributor or factory representative for availability of other kVA sizes, voltage ratings, features, accessories and design standards not listed.

Talk to us about filling a custom order that best fits your needs

Documents

Overhead Transformer Installation, Operation, And Maintenance Manual
Overhead Transformer Brochure

Single-Phase Overhead Smart Transformer

Howard Industries manufactures a complete line of single-phase conventional overhead distribution transformers, all designed with increased margins of safety and reliability.

Howard Industries manufactures a complete line of transformers, all designed with increased margins of safety and reliability. Contact your distributor or factory representative for availability of other kVA sizes, voltage ratings, features, accessories and design standards not listed.

Talk to us about filling a custom order that best fits your needs

Documents

Overhead Transformer Brochure
Smart Transformer Features
Smart Transformer Specification Guide
Overhead Transformer Instructions

Three Phase Overhead

Ratings

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
480 with 240 mid-tap (30 kV BIL)

Documents

Overhead Transformer Brochure
Overhead Transformer Instructions

Single-Phase Pad-Mount (Type 2)

Ratings

KVA Ratings (65° Rise):
5, 10, 15, 25, 37.5, 50, 75, 100, 167, 250, 333
High-Voltage Ratings:
4160GrdY/2400 through 34500GrdY/19920
Or 2400/4160Y through 19920/34500Y
(60kV through 150kV BIL)
Low-Voltage Ratings:
240/120, with 3 low-voltage bushings
120/240, with 4 low-voltage bushings
480/240, with 3 low-voltage bushings
240/480, with 4 low-voltage bushings
120, with 2 low-voltage bushings
240, with 2 low-voltage bushings
277, with 2 low-voltage bushings
480, with 2 low-voltage bushings
(30kV BIL)

Documents

Single-Phase Pad-Mount Brochure
Singl-Phase Pad-Mount Instructions
Hi-Lift Ergonomic Report
Optional Hi-Lift Design

Single-Phase Pad-Mounted Space-Saver™

Ratings

KVA Ratings (65° Rise):
5, 10, 15, 25, 37.5, 50
High-Voltage Ratings:
4160GrdY/2400 through 24940GrdY/14400 (60kV through 125kV BIL)
Low-Voltage Ratings (30kV BIL):
240/120, with 3 low-voltage bushings or 3 cable leads
120/240, with 4 cable leads
480/240, with 3 low-voltage bushings or 3 cable leads
240/480, with 4 cable leads
120, with 2 low-voltage bushings or 2 cable leads
240, with 2 low-voltage bushings or 2 cable leads
277, with 2 low-voltage bushings or 2 cable leads
480, with 2 low-voltage bushings or 2 cable leads

Documents

Single-Phase Pad-Mount Brochure
Single-Phase Pad-Mount Instructions
Hi-Lift Ergonomic Report
Optional Hi-Lift Design

Three-Phase Pad-Mount Dead Front Compartment Style

Ratings

KVA Ratings (65° Rise, ONAN):
45, 75, 112.5, 150, 225, 300, 500, 750, 1000, 1500, 2000, 2500, 3000, 3750, 5000, 7000, 7500, 10000
High-Voltage Ratings (Delta or Wye):
2400 through 34500 (through 150 kV BIL)
Low-Voltage Ratings (Delta or Wye):
120 through 8600 or 14400Y (through 95 kV BIL)

Documents

Three-Phase Pad-Mount Brochure
Three-Phase Pad Installation, Operation and Maintenance Manual

Three-Phase Pad-Mount Live Front Compartment Style

Ratings

KVA Ratings (65° Rise, ONAN):
45, 75, 112.5, 150, 225, 300, 500, 750, 1000, 1500, 2000, 2500, 3000, 3750, 5000, 7000, 7500, 10000
High-Voltage Ratings (Delta or Wye):
2400 through 46000 (through 200 kV BIL)
Low-Voltage Ratings (Delta or Wye):
120 through 8600 or 14400Y (through 110 kV BIL)

Documents

Three-Phase Pad-Mount Brochure
Three-Phase Pad Installation, Operation and Maintenance Manual

Mobile Power Transformers

Ratings

KVA Ratings (65° Rise, ONAN):
45, 75, 112.5, 150, 225, 300, 500, 750, 1000, 1500, 2000, 2500, 3000, 3750, 5000 kVA and 10000
Standard high-voltage ratings:
14400 Volts delta, with taps at 13800, 13200, 12870, 12470, 12000, and 11700 Volts
Optional high-voltage ratings from 2400 through 19920 Volts
Standard low-voltage rating:
480Y/277 Volts
Optional low-voltage ratings from 120 through 600 Volts
Standard frequency:
60 Hertz
Optional frequency: 50 Hertz

Documents

Mobile Power Catalog Sheet
Three-Phase Pad Installation, Operation and Maintenance Manual

Three-Phase Pad-Mounted Space-Saver 3™

Ratings

KVA Ratings (65° Rise, ONAN):
30, 45, 75, 112.5, 150
High-Voltage Ratings (Delta or Wye):
2400 through 34500 (through 150 kV BIL)
Low-Voltage Ratings (Delta or Wye):
120 through 480 (through 30 kV BIL)

Documents

Three-Phase Pad-Mount Brochure
Three-Phase Pad Installation, Operation and Maintenance Manual

Single-Phase Pad-Mount (Type 1)

Ratings

KVA Ratings (65° Rise):
5, 10, 15, 25, 37.5, 50, 75, 100, 167, 250, 333
High-Voltage Ratings:
4160GrdY/2400 through 34500GrdY/19920
Or 2400/4160Y through 19920/34500Y (60kV through 150kV BIL)
Low-Voltage Ratings:
240/120, with 3 low-voltage bushings
120/240, with 4 low-voltage bushings
480/240, with 3 low-voltage bushings
240/480, with 4 low-voltage bushings
120, with 2 low-voltage bushings
240, with 2 low-voltage bushings
277, with 2 low-voltage bushings
480, with 2 low-voltage bushings
(30kV BIL)

Documents

Mobile Power Catalog Sheet
Single-Phase Pad-Mount Transformer Instructions
Hi-Lift Ergonomic Report
Optional Hi-Lift Design

Single-Phase Round Subsurface

Howard Industries manufactures a complete line of transformers, all designed with increased margins of safety and reliability. Contact your distributor or factory representative for availability of other kVA sizes, voltage ratings, features, accessories and design standards not listed.

Talk to us about filling a custom order that best fits your needs

Documents

Optional Sub-Armor Coating

Single-Phase Rectangular Subsurface

Howard Industries manufactures a complete line of transformers, all designed with increased margins of safety and reliability. Contact your distributor or factory representative for availability of other kVA sizes, voltage ratings, features, accessories and design standards not listed.

Talk to us about filling a custom order that best fits your needs

Documents

Optional Sub-Armor Coating

Duplex Rectangular Subsurface

Howard Industries manufactures a complete line of transformers, all designed with increased margins of safety and reliability. Contact your distributor or factory representative for availability of other kVA sizes, voltage ratings, features, accessories and design standards not listed.

Talk to us about filling a custom order that best fits your needs

Documents

Optional Sub-Armor Coating

Three-phase Submersible and Vault-Type Transformers

Howard Industries manufactures a complete line of transformers, all designed with increased margins of safety and reliability. Contact your distributor or factory representative for availability of other kVA sizes, voltage ratings, features, accessories and design standards not listed.

Talk to us about filling a custom order that best fits your needs

Documents

Optional Sub-Armor Coating

Network Transformers

Ratings

Power:
45 kVA Through 10MVA Self-Cooled Base Rating
High-Voltage Ratings:
Up to 46kV
Low-Voltage Ratings:
Up to 250 kV BIL
Low-Voltage BIL:
Up to 95kV BIL
Temperature Rise at Rated Load:
55°C/65°C Rise (30°C 24 Hr. Average Ambient – 40°C Maximum Ambient)
Frequency:
60 Hz

Documents

Network Transformer Catalog
Network Transformer Installation, Operation and Maintenance Manual
Optional Sub-Armor Coating