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000001 www.hammondpowersolutions.com000002 TABLE OF CONTENTS INTRODUCTION HPS, The Company ............................................................................................................... 2 Transformer Terminology ....................................................................................................... 4 Types of Transformers ..........................................................................................................11 General Transformer Construction Features ....................................................................... 14 Transformer Basics ............................................................................................................. 18 Selecting Transformers ....................................................................................................... 20 Compliance with Engineering Standards ............................................................................ 22 Transformer Test Standards ................................................................................................ 23 Quality Management Systems ............................................................................................ 25 HPS Standard Enclosures ................................................................................................... 26 HPS Warranty ...................................................................................................................... 28 SECTION 1 Industrial Control & General Purpose Enclosed Transformers Control Transformer Quick Selection Charts ....................................................................... 30 What is a Control Transformer .......................................................................................... 31 Overcurrent Protection ........................................................................................................ 32 HPS Imperator Machine Tool Industrial Control Transformers Features & Benefits ............................................................................................................ 36 Selection Tables .................................................................................................................. 38 Optional Accessories .......................................................................................................... 45 Wiring Schematic Drawings ................................................................................................ 64 HPS Spartan Industrial Open-Style Core & Coil Control Transformers Features and Benefits ........................................................................................................ 47 Selection Tables ................................................................................................................. 48 Optional Accessories .......................................................................................................... 53 Wiring Schematic Drawings ............................................................................................... 75 HPS Fusion General Purpose Enclosed Transformer Features and Benefits ........................................................................................................ 55 Selection Tables ................................................................................................................. 56 Optional Accessories .......................................................................................................... 61 Wiring Schematic Drawings ............................................................................................... 75 Q Series Enclosed Potted Control Transformer Applications, Features and Specifications ........................................................................... 62 Selection Tables .................................................................................................................. 63 Wiring Schematic Drawings ............................................................................................. 277 SECTION 2 Buck-Boost Transformers Why use Buck-Boost Transformers ................................................................................... 82 Buck-Boost Transformer Specifications .............................................................................. 82 Steps for Selecting Buck-Boost Transformers ..................................................................... 83 Single Phase Selection Tables ............................................................................................ 84 Three Phase Selection Tables ............................................................................................. 87 Single Phase Specification T ables....................................................................................... 90 Three Phase Specification Tables ....................................................................................... 91 Single Phase Connection Diagrams .................................................................................... 93 Three Phase Connection Diagrams .................................................................................... 94 Buck-Boost Transformers - Questions & Answers .............................................................. 95 TC1 Data subject to change without notice. Hammond Power Solutions Inc.