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
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