Products/Services for 277v To 120V Transformer

    Transformers - (1912 companies)
    Transformers are electrical devices that are designed to transfer energy from one circuit to another by electromagnetic induction. They are used typically to increase or decrease voltage as it passes from one side of the device through the other...
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  • Power Transformers-Image
    Power Transformers - (989 companies)
    Power transformers convert power-level voltages from one level or phase configuration to another. They can include features for electrical isolation, power distribution, and control and instrumentation applications. Power transformers convert...
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    Electronic Transformers - (22 companies)
    Electronic transformers are designed especially for low-power applications. They are used in computers, radio frequency (RF) devices, and lighting. Electronic transformers are used to insulate circuits and to provide high to alternating-but-low...
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  • Ballasts-Image
    Ballasts - (446 companies)
    ...for a particular lamp. Description. Ballasts are power supplies or transformers for fluorescent lamps, light sources that consist of a glass tube filled with argon, neon, or other inert gas. When ballasts supply electrical current, the resulting arc...
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  • Transformer Winding Services-Image
    Transformer Winding Services - (161 companies)
    Transformer winding services design transformers and other magnetics products for application-specific and OEM usage in a variety of industrial, medical, military, aerospace, telecommunications, commercial and specialty applications. Transformer...
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    Transformer Test Equipment - (57 companies)
    Transformer Test Equipment Information. Transformer Test Equipment consists of specialized test modules or systems used to test and/or monitor electrical and mechanical parameters of transformers and other related devices. Transformers can provide...
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    Transformer Repair Services - (33 companies)
    Transformer Repair Services Information. Transformer repair services offers repair, upgrades, or design modifications for transformers. Transformer repair services take advantage of the latest developments in transformer repair technologies...
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    Lamps - (1858 companies)
    Lamps are light sources that emit incoherent light for illumination. There are many different types of products. Examples include fluorescent lamps, halogen lamps, heat lamps, incandescent lamps, LED lamps, projection lamps, spectral lamps, and stage lamps. Specialized and proprietary lamps are also available.
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    Autotransformers - (75 companies)
    Autotransformers are a special type of power transformer with only one winding. A portion of this single coil serves as a part of both the primary and secondary winding. Different voltages are obtained by tapping or connecting at different points...
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    Signal Transformers - (344 companies)
    Signal transformers transfer information from one circuit to another by electromagnetic induction. They are used to increase or decrease the voltage from one side of a power transformer to the other. Signal transformers are used as a step-up...
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  • Some electrical questions - Self Help Forums
    The secondary of the transformer has a center tapped winding providing both 120V (Line to Neutral) and 240V (Line to Line). .... is either a three phase, 4-wire WYE system at 208V/120V or 480V/ 277V or a three…
  • Solid Waste Operations Complex W-113, Detail Design Report (Title II). Volume 3: Specifications
    …facility shall be extended from the 480V disconnect switch mounted on the outside wall of the trailer to a 480 V , 3-phase, 4-wire … which shall supply power to a 3-phase, 480-208Y/120V dry type transformer located in the mechanical/electrical … distribution panel board in the General Office Buildings mechanical/electrical room and a 480Y/ 277V , 3-phase, 4 .... Provide a 208Y/ 120 V, 3-phase, 4-wire distribution panel board in the retrieval staff change…
  • Neutral - Self Help Forums
    …hand, if you have a WYE supply, such as a 208Y/120V or 480Y/ 277V , then you have .... The voltage to neutral is 1/1.73 of the phase voltage. .... With a WYE arrangement of transformer secondaries, the neutral is connected to the common point where all .... A 208Y/120V supply is common in commercial buildings to provide for 120V circuits.
  • Linac Coherent Light Source II (LCLS-II) Conceptual Design Report
    A new 800A, 277V /480V, 3 Phase, 4 wire feed from this unit substation will be provided to service EBD2 and FEE2 process and facilities loads. .... The majority of the EBD2 process racks and associated transformers and distribution panels will be located in .... The Electronic Beam Dump Tunnel will be provided with 120V convenience outlets and 480V welding receptacles.
  • Federal Register > Thursday, July 29, 2004 > [69 FR 45376] Energy Conservation Program for Commercial and Industrial Equipment: Energy Conservation Standards f...
    208Y/ 120 to 600Y/347V. .... 2000kVA, 150°C, three-phase, 60Hz, 12470 V primary, 480Y/ 277V secondary, 125kV BIL. .... modified design-option approach, where a third party creates a database of viable transformer designs and estimates…
  • Phase II report on energy efficient electronic ballasts for a two-40 watt fluorescent lamp system
    120V 60Hz. .... llCl~;ts u:)cd '!:ere Adv:lllCC Transformer . .... 2 SL,,()--3. 277V 68 Hz balL,~;ts sclr;ctcd for equal lumens per WCl t .... larger tolerance being due to limited stock dvaUJ:bl c for ~)ciection.
  • IEEE Recommended Practice for Electric Systems in Health Care Facilities
    Depending on other equipment requirements, applying 277 V lighting may increase the number of 480Y/ 277V panels on each ßoor and/or in each electrical room. .... Typical beneÞts of 277 V lighting include reduced system losses, reduced number of branch circuits for lighting, reduced sizes of power conductors, reduced heat gains on the air conditioning system due to power losses, and segregation … equipment operating at 208Y/ 120 V. .... If this is not possible, then ÒbuckÓ/Òboost,Ó autotransformer, or standard two-winding transformers should be considered…
  • voltage: 200, 208, 230, 240?
    …rectifiers 24v DC 300-400A with either power, just abandon 1/3 of the transformers . not clean, lost .... The reason for using the term 240 v 2 phase or 2/2 is to separate it from .... Or the 277v single "phase to ground" voltage of 440V 3phase wiring. which we note as 277 v 1/3P. .... The Dynasty is great, we have run it on 120 , 240, 208, 440, It loves them all…
  • CR4 - Thread: 277VAC Output
    Location: Placerville, CA (38° 45N, 120 ° 47'W). .... In reply to #36. .... Re: 277v ac output. .... Here's the label of our 277 V transformer : .

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