LV (600V) Dry-Type Transformers
LV (600V) Dry-Type Transformers
? Industrial Control ? Encapsulated 600 Volt Class ? Ventilated 600 Volt Class ? DOE 2016 Efficiency Compliant
Federal Pacific History
In 1987, the Electro-Mechanical Corporation acquired the dry-type transformer division of Federal Pacific Electric in Des Plaines, Illinois. It was moved to Bristol, Virginia and the name was changed to Federal Pacific (FP). A new 100,000 square foot facility was constructed where time-proven designs and modern technology were combined and deployed under new management. Expansion in early 1993 provided an additional 36,000 squarefeet ofmanufacturing space.
Federal Pacific Today
Federal Pacific is a major manufacturer of dry-type transformers which serve the industrial, construction, commercial, mining, OEM and utility markets. The product scope is 50 VA through 10,000 KVA and 120 volts through 25,000 volts. The 600 volt class offering includes industrial control transformers, encapsulated/compound-filled general purpose and buck-boost transformers, ventilated designs for general purpose applications, electrostatically shielded transformers and a complete line of motor drive isolation transformers. The medium voltage offering includes core and coil transformers, general purpose designs, pad-mount transformers, unit substation transformers, vacuum pressure impregnated transformers (VPI), and vacuum pressure encapsulated (VPE) transformers. K-Factor rated transformers are offered for the entire product scope.
Distribution
Regional warehouse stocks have been implemented across the United States, ensuring quick delivery of all products anywhere in the country.
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Check Out The New Tools Available From Federal Pacific
? Buck/Boost Calculator ? Low Voltage Product Finder ? Amps/kVA Calculator ? Wiring Diagram Selector
Online at or
Download the new Federal Pacific App
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Table of Contents
Transformer Naming Convention.......................................................................................................................................... 5 Single Phase Quick Reference Guide.................................................................................................................................... 6 Three Phase Quick Reference Guide.......................................................................................................................................7 Transformer Basics....................................................................................................................................................................... 8 Transformer Selection Consideration................................................................................................................................9-11 Dry-Type Transformers
Overview & Application........................................................................................................................................................ 12 Sound Levels, Industry Standards & Certifications, Tested Performance..........................................................13 Single-Phase Encapsulated Technical Data...................................................................................................................14 Single-Phase Ventilated Technical Data..........................................................................................................................15 Three-Phase Encapsulated Technical Data....................................................................................................................16 Three-Phase Ventilated Technical Data....................................................................................................................17-25 Single-Phase Wiring Diagrams.................................................................................................................................. 26-28 Three-Phase Wiring Diagrams.................................................................................................................................. 29-38 Buck-Boost Transformers - Application, Operation Selection Buck-Boost Technical Data................................................................................................................................................ 40 Buck-Boost Selection Tables.......................................................................................................................................41-43 Buck-Boost Connection Diagrams..........................................................................................................................44-48 Epoxy Encapsulated Copper-Wound Industrial Control Transformers Selection Considerations................................................................................................................................................... 49 Primary Fusing - Industrial Control................................................................................................................................ 50 Primary Overcurrent Protection.......................................................................................................................................51 Secondary Overcurrent Protection..................................................................................................................................51 Industrial Control Transformers Technical Data.........................................................................................................52 Industrial Control Wiring Diagrams................................................................................................................................53 Motor Drive Isolation Transformers Motor Drive Isolation Technical Data............................................................................................................................. 54 Transformer Accessories Terminal Lug Kits....................................................................................................................................................................55 Weather Shield Kits...............................................................................................................................................................55 Wall Mount Brackets.............................................................................................................................................................55 Primary Fuse Kit.....................................................................................................................................................................55 Glossary............................................................................................................................................................56-57
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Single & Three Phase Encapsulated and Ventliated Transformer Naming Convention
(using T48LH2Y-75 as an example)
T = Three Phase, Ventilated
N = Three Phase, Encapsulated
T
Type
S = Single Phase, Ventilated
P = Single Phase, Encapsulated
K = Single Phase, Buck Boost
Single or Three Phase
20 = 208
24 = 240
48 = 480
60 = 600
48
Primary
Three phase primary windings will be Delta connected.
Single Phase Only 1X = 120 x 240 2X = 240 x 480 27 = 277
Aluminum Unshielded LH Material/Temperature Rise Aluminum Shielded
Copper Shielded Copper Unshielded
150? C LH SH CH GH
115? C LF SF CF GF
80? C LB SB CB GB
Single Phase
Three Phase
21 = 120/240
2Y = 208Y/120
12 = 12/24
2D = 240/(120LT)*
2Y
Secondary
16 = 16/32
3Y = 380Y/219
24 = 24/48
40 = 400Y/231
42 = 480Y/277
* 120LT applies to ventilated units only
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Separator
KVA Separator
75
KVA
(-K-Factor)
K1 = has no identifier K4 = K4 K13 = K13 K20 = K20
-N/T
Applicable to encapsulated transformers only N = No Taps T = Taps
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