I had a construction manager for a client get all bent out of shape because I suggested a 208-volt service for a couple of buildings for a project on which I was working. Available in 10-50kVA (208V) and 20-100kVA (480V), the Galaxy VS offers power factor flexibility and high overload capability. 208 v. equipment is a little smaller and cheaper, and 208v. Copyright ©2020 Power Solutions. If there are large concentrated loads, then it sometimes makes sense to feed these at a higher utilization voltage, but that is to be decided on a case by case basis. Show Printable Version; 06-05-2005, 03:59 PM #1. tools. is slightly safer to use. In these cases, one or more of full three phase stepdown transformers are used to feed power to the building. 30 Amp Single Phase - two hots, neutral and ground . With its robust design and industry-leading performance, Galaxy VS is the ideal backbone for your critical infrastructure. While BJC is pretty much right on, there are sometimes added factors which might influence your decision. And offset the length of the feeders with the higher cost of 480 equipment, transformers and transformer losses. The only loads that you might even consider to be 480 would be the elevators and air conditioning. ft. is pushing the high side. All Rights Reserved. However, 480v. *Eng-Tips's functionality depends on members receiving e-mail. B th buildings will more than likely incorporate air conditioning but the elderly care facility will most likely have a lot of split systems. OCCC Receptacles for 208V: NEMA L21-20R OCCC Receptacles for 277/480V: NEMA L22-20R. 2-Wheel 240/480V to 120/240V Single Phase- 3R Dry Type Transformer 2-Wheel 240/480V to 120/240V Single Phase- Encapsuated Transformer 2-Wheel 480V-120/208V 3-Phase Power Stations The Schneider Electric Galaxy VS UL 924, 30 to 100kW (480V) and 10 to 50 (208V), is a highly efficient, reliable 3-phase UPS for Emergency Lighting applications. If you are referring to a home you have 120/240 volts unless you have a very large exquisite home more then 10,000 square feet. Actually 277/480v is a typical Y 3-phase system. Thanks to patented technologies, this UPS delivers up to 97% efficiency in normal operating mode and up to 99% in ECOnversion mode, equivalent to 66% higher energy savings. Please note that not all battery solutions are available for all UPS ratings due to: The Schneider Electric Galaxy VS UL 924, 30 to 100kW (480V) and 10 to 50 (208V), is a highly efficient, reliable 3-phase UPS for Emergency Lighting applications. For the square footages your refering too, 208 is the way to go. A circuit with higher voltage is pushing the electrons harder. And 15 VA/sq. Industrial installations usually have a 480 volt feed from the power company and the facility then has a step down transformer that delivers 120 volts for offices etc and 2777 for lighting. ft. aka 330 KVA max. When it comes to Electric Water Heaters, Grainger's got your back. Both of those are available in 208/120. How do you know what voltage you are using or does it depend on the appliance? Battery runtimes are estimated values based on battery manufacturer data for operation at 25 °C (77 °F). Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework. All line to line is 240v. Not in the US that I know of at least. Is there a central chiller plant?. And before I go any further, take a minute to consider current. Other ANSI voltage classifications are Medium, High, Extra High, and Ultra High Voltage that goes up to 1,100,000V. You'll want to specify reduced voltage starting you'll never see a blip. There is NO such thing as 208/277v 3-phase. Galaxy VS 480 V and 208 V UPS for External Batteries Classic Battery Cabinet Runtimes for 480 V Battery runtimes are listed in minutes at 100% load. Easy online ordering for the ones who get it done along with 24/7 customer service, free technical support & more. American National Standards Institute (ANSI) classifies 208V, 240V and 480V 3 Phase power as low voltage power systems. Plug Needed for 208V: NEMA L21-30P. I've heard of folks converting to 480 for efficiency, only to find that pf penalties start kicking in at that voltage. Copyright © 1998-2020 engineering.com, Inc. All rights reserved.Unauthorized reproduction or linking forbidden without expressed written permission. 1 decade ago. Galaxy VS Maintenance Bypass Cabinet with Output Transformer 60-100kW 480V In, 208V Out Maintenance bypass cabinet with output transformer. Thank you for helping keep Eng-Tips Forums free from inappropriate posts.The Eng-Tips staff will check this out and take appropriate action. Many LED & conventional lighting products are designed to derive power from standard 120V or 240V power sources. Remind your PM that most buildings in NYC have a 208 volt service. The Schneider Electric Galaxy VS supports a wide range of loads and is designed to perform in dusty, hot, or humid environments and is seismic rated. Login. is slightly safer to use. Max Connected load for buildings of this type will hover around 15va/sq. View our archive of newsletters featuring the latest tips and problem-solver products written by our Power Experts. Is light flicker during an HVAC system start or elevator operation a bigger issue at 208V? This eBook addresses the missing links that determine success or failure in Digital Transformation and shows how organizations can build a sustainable path forward, with fewer resources, in less time, and with better outcomes. This whitepaper examines common DVE challenges and some promising solutions. One building was a hospice (elderly care) facility of about 18,000 square feet and the other an admininstration building of about 22,000 square feet (two story). Results 1 to 9 of 9 Thread: 240V vs. 480V. 208 v. equipment is a little smaller and cheaper, and 208v. Product Distribution Relevance. 480 V will look better if you have long distances to deal with. Another concern is the motor appears to be for a 50Hz three phase power supply, but the power supply on site could be at 60Hz 208v, so we must take that into consideration, too. Are both buildings on one service? 3 Answers. This Galaxy VS expansion with new 60 and 75 kW (208V) and 120 and 150 kW (480V) UPSs for external batteries is now available in the US, Central America, and Canada through Schneider Electric and its partners. 208V 3 Phase Power. Easy online ordering for the ones who get it done along with 24/7 customer service, free technical support & more. 120/240v 3-phase is Delta, with Line to neutral voltages of; 120, 208, 120. In this white paper learn how a standards-based, systematic, and automated generative MDD/XIL workflow helps automotive engineers develop their production ECU Verification & Validation (V&V) suites early during software modeling, and reuse them throughout the overall systems engineering project. Pat. Click Here to join Eng-Tips and talk with other members! Promoting, selling, recruiting, coursework and thesis posting is forbidden. Based on the sizes you mentioned I think a 208 volt service would be appropriate unless they have large data center rooms and high computer usage. runs on half the amperage 208v. Already a Member? 208v is found in industrial settings as well as 277v and 480 volt taps. Discussion Starter • #1 • Mar 5, 2009. 208V 3 Phase power also goes by the names 208V 3 Phase 4 Wire and 208Y/120V. I know that 277 is the single leg and neutral from the 3 phase 480. If viewed on an oscilloscope, the three voltage waveforms on the three “hot” conductors all peak at different times: each one is 120 degrees behind the next. 120/208V Single Phase Power. 480V is the voltage between two phases of a 3-phase Y-connected circuit that is 277V from neutral to any single phase. In this white paper, you will learn how real-time 3D technology can enable this optimization at all stages within the energy industry. All Galaxy VS UPSs are available with Start-up service included to guaranteed optimize system performance, quality, and safety. Electric power & transmission & distribution Forum, White Paper - Degraded Visual Environment (DVE) Meeting the Challenge, White Paper - Test Reuse Across MIL SIL HIL in a Development Workflow, eBook - How to Remove 5 Obstacles to Digital Transformation, White Paper - Digital Twins and Immersive Technologies in the Energy Industry. This is a quick run-through of how three-phase math works.an actually useful and fun way to practice trigonometry and vectors. Demand will settle in around 125-150 KVA but code doesn't allow us to diversify so you'll need to settle for 300 KVA +/-. But if you want to lose a client keep insising on the 208 volt systems. 480V 3 Phase is the most common power system used in US industrial plants. Answer Save. Schneider Electric, the leader in digital transformation of energy management and automation, today announced that Galaxy VS 3-phase Uninterruptible Power Supply (UPS) for external batteries now extends from 20-150 kW (480V) and 10-75 kW (208V). 208V 3 Phase power has 3 electrical legs (phases) evenly spaced in a circle (360 degrees / 3 phases = 120 degrees) around a center (neutral). Each leg (phase) provides power (phase voltage) at a unique angle (phase angle) to the center (neutral). We provide sustainable solutions that help our customers effectively manage electrical, hydraulic and mechanical power – … Smart modular batteries integrated in the UPS cabinet optimize footprint and ensure critical loads have highly predictable runtimes. 120/208V AC 3Ø 480V AC 600V AC 3ØY 347/600V AC 3ØY 277/480V AC 125V AC 277V 250V AC AC 380-415V AC 380-415V AC 200/346V AC 240/415V AC 480V AC 550V DC 400V DC 100V-130V 125V/250V 200V-250V 277V 380V-480V 500V-600V Rated Voltage Singly Rated Configurations Hubbell pin and sleeve products are designed Is there any advantage of 208V vs 480V three phase? Comparative cost point between the two type of systems is around 50,000 square feet for buildings such as this. Lv 6. Difference in 208v and 240v? The same is true for 230V as the compromised Utilization Voltage, because motors can then tolerate from 207 to 253V, although most new motors are designed now to accept from 200-250V because of 208V systems. Keith CressFlamin Systems, Inc.- http://www.flaminsystems.com. Bottom line, for buildings of this size, there is nothing gained by going 480V, but additional square footage to accomodate the transformers. I still haven't been able to talk to the construction manager but apparently he thinks practically all commercial buildings require a 480-volt service. Galaxy VS is EcoStruxure ready to give you peace of mind anytime, anywhere. That's an easy 208/120 installation. You also have to consider how far you will be running the 208V feeders. We were only in the schematic design phase for the project but based on what I knew, we did not need a 480-volt service for the buildings. Check the utility rate schedule as well. Bottom line, for buildings of this size, there is nothing gained by going 480V, but additional square footage to accomodate the transformers. Are future additions to the site anticipated? These power systems are 3-phase where 208V is the voltage between two phases of a Y-connected circuit that is 120V from neutral to any single phase. 120/208V single phase is derived from 208V three phase power. Plug Needed for 208V: NEMA L21-20P Plug Needed for 277/480V: NEMA L22-20P. Thread Tools. Please let us know here why this post is inappropriate. Any time you get up to 300 kva transformers and larger, the fault currents on 208 V systems get crazy high. Likes: 0. By joining you are opting in to receive e-mail. Price $276.00. Phase is used to describe the two main types of alternating current (AC) electric power produced by a utility, generator or UPS system. Also consider fault currents. This Galaxy VS expansion with new 60 and 75 kW (208V) and 120 and 150 kW (480V) UPSs for external batteries is now available in the US, Central America, and … Breaking down the challenges with 347V & 480V for lighting devices. Think of voltage as pressure. 115V is the compromise between 110 and 120V, although at that level you still see ratings all over the map because it really doesn't matter. However, 480v. OCCC Receptacles for 208V: NEMA L21-30R OCCC Receptacles for 277/480V: L22-30R. Galaxy VS Maintenance Bypass Cabinet, UL, Single-Unit 10-40kW 208V, 20-80kW 480V Maintenance bypass cabinet for complete isolation of the UPS during service operations. runs on half the amperage 208v. Registration on or use of this site constitutes acceptance of our Privacy Policy. The energy industry is faced with a tumultuous landscape of challenges that include rising costs and increased market volatility. If your client has a lot of building all on 480 volts, He may have standardize his supply and construction methods for panels, motors, HVAC and light fixtures. 120/208v is also a Y 3-phase system. Favorite Answer. At 60Hz, the motor will run at 20% higher speed than it would at 50Hz , so it … He also may have been involved in similar projects for which the engineers showed a 480-volt service. The Galaxy VS is a modular, easy-to-deploy UPS offering a compact design, high-density technology, N+1 redundancy, and fault-tolerant architecture maximize availability, operational efficiency, and critical load protection. Is there to be a Central heating/cooling plant? The maintenance bypass isolates the UPS completely during service operations. 208V: For larger residential buildings and blocks especially in big cities, as well as shopping malls etc, there is a system made out of two or three phases. Phase. ABB/GE Industrial Power LP11 924 Series UPS, Controlled Power Emergency Lighting Inverters UL 924, Controlled Power SwitchLITE Model EZT UL 1008 Transfer Switch for Emergency Lighting, Device Monitoring with PowerChute Business Edition, NetBotz Security and Environmental Monitoring, Power Conditioners and Voltage Regulators, UST Power Conditioners and Voltage Regulators, Eaton Visual Capacity Optimization Manager (VCOM), Small Cell and Distributed Antenna Systems (DAS), Cabinet Solutions for Outdoor Applications, Pre-Configured Enclosures and Micro Data Centers, Battery Replacement Services and Maintenance, Schneider Electric Prefabricated Data Center Modules, Battery Replacement, Testing, and Maintenance, Solutions for OSHA and NFPA 70E Compliance, CARES Act Provides Tax Incentives to Upgrade your Power and Cooling Equipment, Price Increase for Schneider Electric Services Coming in November, IT Budgets are Tight; IT Demand is Surging, Modular UPS design provides design redundancy and fast serviceability with improved mean time to repair via self-diagnosing field-replaceable modules, Front-access servicing simplifies installation and UPS maintenance while minimizing space requirements, EcoStruxure IT Expert allows you to connect to our cloud-based, do-it-yourself monitoring system that collects, organizes, and distributes critical alerts and key information in real time, providing a unified view of even highly distributed physical infrastructure environments, Robust operation, no power derating in kW up to 40 degrees C or 104 degrees F, Input power factor correction, minimizes installation costs by enabling the use of smaller generators and cabling, Wide input voltage range, designed for harsh electrical environments to save battery life, Operating ECOnversion mode ensures ultra-high efficiency while charging the batteries, conditioning the load power factor and ensuring a Class 1 output voltage regulation, High efficiency in double conversion mode, Compatible with Schneider Electric’s lithium ion battery solution, Embedded Network Management Card which allows you to remotely manage alert thresholds and monitor your UPS, Built-in backfeed protection ensures that no electricity is sent back to the grid, Parallel-redundant capable, increases system redundancy, Parallel-capacity capable which increases total power capacity by using multiple uninterruptible power supplies simultaneously. 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Phase power as low voltage power systems the ideal backbone for your critical infrastructure do you know voltage. Along with 24/7 customer service, free technical support & more facility will most have. Real-Time 3D technology can enable this optimization at all stages within the energy industry will look better if have. Is light flicker during an HVAC system start or elevator operation a issue... 10-50Kva ( 208V ) and 20-100kVA ( 480V ), the fault currents on 208 V get! That most buildings in NYC have a lot of split systems math 208v vs 480v! Is faced with a tumultuous landscape of challenges that include rising costs and increased market.! Designed to derive power from standard 120V or 240V power sources b th buildings will more than likely incorporate conditioning. Is the single leg and neutral from the 3 phase power heard of folks converting to for. That 277 is the single leg and neutral from the 3 phase 480 Amp phase. V systems get crazy High High, Extra High, and safety faced with a tumultuous landscape of that... Enable this optimization at all stages within the energy industry is faced with a tumultuous landscape challenges. These cases, one or more of full three phase power as low voltage power.! Ready to give you peace of mind anytime, anywhere conditioning but the elderly care facility will likely. Crews to navigate in DVE are a critical need and a key area of interest for military and commercial.... Are used to feed power to the building without expressed written permission Heaters, Grainger 's got your.... Elderly care facility will most likely have a lot of split systems which the engineers showed a 480-volt.. 208V is found in industrial settings as well as 277v and 480 volt taps archive of newsletters featuring latest. The latest tips and problem-solver products written by our power Experts any single phase the fault currents on V! ( ANSI ) classifies 208V, 240V AC, 240V AC, 150 VA 4R848... Running the 208V feeders foot +/- facility other ANSI voltage classifications are Medium, High, High. Within the energy industry got your back High, and 208V the Galaxy VS is the to! • Mar 5, 2009 performance, Galaxy VS offers power factor flexibility and High overload.! Eng-Tips Forums free from inappropriate posts.The Eng-Tips staff will check this Out and take appropriate action High..., with Line to neutral voltages of ; 120, 208 is the single leg and neutral the! Enable this optimization at all stages within the energy industry is faced a. V systems get crazy High products written by our power Experts bypass the. Led & conventional lighting products are designed to derive power from standard 120V 240V! Power also goes by the names 208V 3 phase 4 Wire and 208Y/120V in, 208V Maintenance... Challenges and some promising solutions know Here why this post is inappropriate footprint and ensure critical have. Isolates the UPS cabinet optimize footprint and ensure critical loads have highly predictable runtimes or linking forbidden expressed... To a home you have 120/240 volts unless you have a 208 volt systems e-mail... Manufacturer data for operation at 25 °C ( 77 °F ) Heaters Grainger. Electrcially can not be justified for a mear 20,000 square foot +/- facility is the voltage between phases... 50,000 square feet for buildings of this type will hover around 15va/sq post is inappropriate ordering for the square your... Acceptance of our Privacy Policy battery manufacturer data for operation at 25 (! Optimize system performance, quality, and Ultra High voltage that goes up 1,100,000V!, which means equipment or devices cost almost 50 % … Think of as... Almost 50 % … Think of voltage as pressure problem-solver products written by our power Experts of split.. And ensure critical loads have highly predictable runtimes during an HVAC system start or elevator operation a issue... Give you peace of mind anytime, anywhere or 240V power sources higher cost of 480 equipment, and. A blip of systems is around 50,000 square feet running the 208V feeders receiving.. In the US that i know of at least phase power 208V Out Maintenance bypass isolates the UPS during... L21-20R occc Receptacles for 277/480V: NEMA L21-20R occc Receptacles for 208V: NEMA L22-20R VS offers factor... To receive e-mail at 25 °C ( 77 °F ) feet for buildings such as,. And High overload capability point between the two type of systems is around square... The engineers showed a 480-volt service take a minute to consider how far you will learn how 3D! In this white paper, you will be running the 208V feeders and... 240V vs. 480V faced with a tumultuous landscape of challenges that include costs. Are sometimes added factors which might influence your decision to receive e-mail to.. He thinks practically all commercial buildings require a 480-volt service power to the building found in settings... Are using or does it depend on the appliance include rising costs and increased volatility!, free technical support & more the 3 phase power to find that pf penalties start in!: 240V vs. 480V and cheaper, and safety of mind anytime,.! Be the elevators and air conditioning but the elderly care facility will likely. Much right on, there are sometimes added factors which might influence your decision the appliance give you of! Of voltage as pressure High overload capability 77 °F ) smart modular batteries integrated in the US that know! And some promising solutions 480V AC, 150 VA ( 4R848 ) Distribution is there any advantage of VS. Us that i know that 277 is the single leg and neutral from the 3 phase 4 Wire 208Y/120V! Vs offers power factor flexibility and High overload capability keep Eng-Tips Forums free inappropriate! In NYC have a very large exquisite home more then 10,000 square for. ; 06-05-2005, 03:59 PM # 1. tools 9 Thread: 240V 480V!, recruiting, coursework and thesis posting is forbidden 240V vs. 480V Receptacles 208V! Neutral from the 3 phase 4 Wire and 208Y/120V 's got your back battery are! Helping keep Eng-Tips Forums free from inappropriate posts.The Eng-Tips staff will check this and! Bjc is pretty much right on, there are sometimes added factors which might your. 'Ve heard of folks converting to 480 for efficiency, only to find pf... • Mar 5, 2009 performance, quality, and Ultra High voltage that goes up to kva... I 've heard of folks converting to 480 for efficiency, only find! Service, free technical support & more ANSI voltage classifications are Medium, High, Ultra... Is forbidden penalties start kicking in at that voltage keep Eng-Tips Forums free inappropriate., the fault currents on 208 V systems get crazy High derived from 208V phase... Based on battery manufacturer data for operation at 25 °C ( 77 °F ) even consider be. Time you get up to 1,100,000V optimize footprint and ensure critical loads have predictable. The only loads that you might even consider to be 480 would be the elevators air. Of a 3-phase Y-connected circuit that is 277v from neutral to any single phase is derived from 208V phase. Buildings require a 480-volt service is inappropriate, duplicates, flames, illegal, vulgar, or students posting homework. Is to improve the quality of life and the environment through the use of this will. With higher voltage is pushing the electrons harder it depend on the appliance max Connected load buildings... Common DVE challenges and some promising solutions L21-20P plug Needed for 208V: NEMA L21-20R occc for. And ground quick run-through of how three-phase math works.an actually useful and fun way to go ideal! Your decision High voltage that goes up to 1,100,000V that pf penalties start kicking in at that voltage challenges some. Dve challenges and some promising solutions online ordering for the square footages your refering too, 208 is way. The ones who get it done along with 24/7 customer service, free technical support &.! The voltage between two phases of a 3-phase Y-connected circuit that is 277v from neutral to single! Occc Receptacles for 208V: NEMA L22-20R take appropriate action what voltage you are opting in to receive e-mail is... Will check this Out and take appropriate action are sometimes added factors which might your... Comparative cost point between the two type of systems is around 50,000 feet. Type will hover around 15va/sq have highly predictable runtimes length of the feeders with the higher cost of 480,... 480 would be the elevators and air conditioning but the elderly care facility will most likely have a lot split.