15kva 480 120 240 transformer
[DOC File]IEEE Standards - draft standard template
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For single phase system 480/240 or 240/120 . 480/240 volts, three phase, four wire, mid-tap, delta. When using this voltage configuration larger equipment loads such as three-phase transformer fans and oil pumps need to be specified at 480 volts. Other system loads can be specified at either 480 or 240 volts, single phase. This type of system is ungrounded and will require a ground detection ...
[DOC File]Functional Specification for Single-Phase Overhead Type ...
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120/240 (5-100kVA-3 Bushings, 167kVA-4 Bushings ) 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 ...
[DOCX File]EXECUTION - Hammond Power Solutions
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Three phase transformers 15kVA and larger, shall be ventilated type, convection air cooled. All three phase transformers shall be constructed with three coils and a single 3-leg core. The primary side of each transformer shall, if applicable, be provided with taps that meet or exceed NEMA standards. Transformers shall be designed, constructed and rated in accordance with UL, CSA, and NEMA ...
[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. If upstream fusing is used, Class RK1 (Dual-Element time-delay ...
[DOC File]BASIC NEC CODE RULES AND DESIGN PRACTICE
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Standard breaker sizes are listed Page 70-74, 240-6 NEC. Conduit Sizing. 1. After circuits have been derated to get proper wire size use Table 3A if wires are all same size. Use Page 70-57"9, or Tables 4 and 5 if wires are all different size. Ground wires should be run with all branch circuits. Example: Load Furnace 15 KW, I phase, 230V, find current, KVA, wire size, circuit breaker size ...
[DOCX File]PART 1 – GENERAL
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Single phase transformers rated at 15kVA and larger and three phase transformers 15kVA and larger, shall be ventilated type, convection air cooled. All three phase transformers shall be constructed with three coils and a single 3- leg core. The primary side of each transformer shall, if applicable, be provided with taps that meet or exceed NEMA standards. Transformers shall be designed ...
SECTION 261116 - SECONDARY UNIT SUBSTATIONS
The control power transformer shall be 480-240/120V, single phase, 60 hertz, VA rating as required by the load (15kVA, Single Phase minimum), with primary and secondary fuses. The panelboard shall comply with the requirement of Division 26 Section "Panelboards" and be provided with a main circuit breaker and as a minimum, branch circuit breaker for each of the following:
[DOC File]TECHNICAL SPECIFICATION FOR A 3 TO 15 KVA
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Output Transformer: An output isolation transformer shall be utilized to provide specified output voltage and separate the UPS rectifier and inverter sections from load disturbances and conducted noise. Manual Inverter Test Switch: The unit shall have a momentary contact test switch to allow the user to accomplish a manual system test without the need to operate any breakers or shut down the ...
[DOC File]PART 1 – GENERAL
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Distribution Transformer. Typical Specification Canada. 595 Southgate Drive. Guelph, Ontario. N1G 3W6. Phone: 1-888-798-8882. Fax: 1-519-822-9701. United States. 1100 Lake Street. Baraboo, Wisconsin . 53913-2866. Phone: 1-866-705-4684. Fax: 1-608-356-2452 E-mail: sales@hammondpowersolutions.com. www.hammondpowersolutions.com. GENERAL. SCOPE. This …
[DOC File]PSG Section 16461 - Eaton
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Transformer insulation system shall be as follows: 45 kVA and below: minimum of 200 degree C insulation system with ([80] [115] [130] [150] degree C rise, ventilated design. Required performance shall be obtained without exceeding the above indicated temperature rise in a 40 degrees C maximum ambient, and a 24-hour average ambient of 30 degrees C. All insulation materials shall be flame ...
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