3 kva transformer 480 120
[DOC File]IEEE Standards - draft standard template
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Indoor Distribution Transformers Ñ Used with panelboards and separately mounted, they are rated 1 - 333 kVA for single-phase units and 3-500 kVA for three-phase units. Both primaries and secondaries are 600 V and below (the most common ratio is 480-208Y/120V). The cooling medium is …
[DOC File]Power Purifier Guide Specification
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The nominal AC input voltage rating of the transformer shall be (120/208/240/480) (208/240/480) VAC, single phase, 60 hertz. Engineer’s reference: Units 500 VA to 5 KVA are available with an input nominal selection of 120/208/240/480 VAC. Units 8 KVA to 25 KVA are available with an input nominal selection of 208/240/480 VAC.
[DOC File]TECHNICAL SPECIFICATION FOR A 3 TO 15 KVA
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Input voltage range: 208/120V ±15% or 480/277 ±15% . Input Frequency: 50/60 Hz ±7% . Input Power factor: 0.8 PF. Power walk-in time: 20 sec from 0 to 100%. Input current harmonics: 33% for 6 pulse rectifier unit. 15% for 12 pulse rectifier unit. 9% input filter option is available. Battery Specification:
[DOC File]Functional Specification for Single-Phase Overhead Type ...
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240/480 (5-100kVA-3 Bushings, 167kVA-4 Bushings) 120 (2 Bushings) 277 (2 Bushings) The applicable secondary voltage shall be specified on the inquiry. The transformer may be furnished with full capacity high-voltage taps. The tap-changer shall be clearly labeled to reflect that the transformer must be de-energized before operating the tap ...
[DOC File]PRODUCT SPECIFICATION FOR A 15 TO 300 KVA,
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4.4 a) 15 to 300 kVA: Isolation Transformer. A multi-shield, convection cooled, 3 phase, isolation transformer shall be provided. Construction of the transformer should separate the primary connections and the secondary connections by placing them on opposite sides of the core.
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