Jefferson Electric Three-Phase Ventilated Features and Benefits

Three-Phase Ventilated

5.1

1-800-892-3755 www.jeffersonelectric.com Dry-Type Transformers

55

Version JE901 0612 Date Dec 06

Contents

Overview 5.2
Dimensional Drawings 5.8
Wiring Diagrams 5.9
Low Temperature Rise 5.12

Open Delta 5.20
Temperature Rise 150 115 80
Selection Charts

208 V - 208Y/120 V 5.4 5.12 5.16
208 V - 480Y/277 V 5.4 5.12 5.16
240 V - 208Y/120 V 5.5 5.13 5.17
240 V - 480Y/277 V 5.5 5.13 5.17
480 V - 208Y/120 V 5.6 5.14 5.18
480 V - 240 V 5.6 5.14 5.18
480 V - 480Y/277 V 5.7 5.15 5.19
600 V - 208Y/120 V 5.7 5.15 5.19

1155 ttoo 550000 KKVVAA

5.2

Dry-Type Transformers www.jeffersonelectric.com 1-800-892-3755

Three-Phase Ventilated

55

Version JE901 0612 Date Dec 06

Dry-Type Transformers www.jeffersonelectric.com 1-800-892-3755

55

Products

■ 150ºC Temperature Rise: 15 KVA through 500 KVA*

■ 80ºC and 115ºC Temperature Rise: 15 KVA through 300 KVA*

Applications

■ For general loads, indoors or out, including lighting, industrial and commercial applications

Specifications

■ Cores of high quality electrical steel

■ Meets Federally Mandated NEMA TP-1 Standard for energy efficiency

■ NEMA 1-rated enclosures standard

■ Electrostatic shields optional

■ 60 Hz operation

■ Aluminum or copper windings

■ Taps provided on primary

■ 220ºC insulation class standard

■ 150ºC, 115°C, and 80°C temperature rise

■ Heat-cured ASA-61 gray powder coat finish

■■

Proudly made in U.S.A.

Features, Functions, Benefits

■ Designed for lower weight and smaller size for easier handling and installation

■ Large connection compartment for ease of wiring and installation

■ Quiet operation for installation flexibility

■ Hassle-free front cover installation

■ Taps provided on primary to compensate for voltage variations

Standards

■ Built in accordance with NEMA, ANSI, UL and CSA standards

*Options and Accessories

■ CE Marked units available as custom

■ Other sizes and voltages available as custom

■ NEMA 3R-rated enclosures available with weather shields

■ Wall mount brackets available for units up to 75 KVA with 150ºC temperature rise