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Busway (Low Voltage)

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Busway (Low Voltage) Busway (Low Voltage) Circuit Breaker Enclosure 9 Busway (Low Voltage) 1 Product Description . V12-T9-2 Product History . V12-T9-2 2 Product History Time Line . V12-T9-3 Replacement Capabilities . V12-T9-4 3 Plug-In Units . V12-T9-4 Vintage Busway Products . V12-T9-4 4 100 Ampere Busway . V12-T9-6 Standard Plug-In Busway . V12-T9-7 5 Standard and Low Impedance . V12-T9-8 Quick-Assembled Plugs . V12-T9-10 6 CP2, CP3 or CP4 SAFETYBUS Busway Plug-In Units . V12-T9-11 Technology Upgrades . V12-T9-14 7 Clipper Power Systems, Busway TVSS Protection . V12-T9-14 IQ Energy Sentinel for Bus Plugs . V12-T9-15 8 Further Information . V12-T9-15 Pricing Information . V12-T9-15 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Volume 12—Aftermarket, Renewal Parts and Life Extension Solutions CA08100014E—October 2016 www.eaton.com V12-T9-1 9 Busway (Low Voltage) Busway (Low Voltage) plug-in and feeder bus in Westinghouse high frequency In 1966, Westinghouse 1 ratings up to 1500A. All of busway was introduced in introduced its first true these early designs used 1958 to address the inherent sandwich bus design with separated, uninsulated problems of transmitting H5000 feeder busway. 2 busbars inside a totally power at frequencies from H5000 was also the first enclosed or perforated 180 to 20,000 Hz. Cutler- single bolt joint design steel housing. Hammer high frequency BV offered by Westinghouse and 3 Standard Plug-In (balanced voltage) busway it initially used a PVC shrink Product Description In 1951, low impedance was also marketed during tubing and later a Mylar® feeder busway was 4 ® the late 1950s and early wrap for busbar insulation. Eaton’s Cutler-Hammer introduced as the first low voltage busway consists 1960s. Westinghouse high A combination of steel and design to use heat-shrinkable frequency busway and aluminum channels were 5 of aluminum or copper bars tubing for insulation on the inside a metal housing Cutler-Hammer BV busway used to form a lightweight busbars and a ventilated steel both found success in non-magnetic housing. The used for power distribution. housing. An internal ground Busway is available in aircraft manufacturing plants, grounding method for H5000 6 bus was not available with industrial induction heating was similar to low impedance ampere ratings of 100–5000A. this product line, but Busway is available as feeder systems, military missiles busway and an external provisions were made for and radar bases. ground bus mounted onto 7 (indoor or outdoor) and plug-in. mounting an external ground Feeder busway routes power the housing was the only bus directly to the busway Electric utility busway offering. H5000 plug-in from point-to-point, whereas housing. Low impedance was also introduced by 8 plug-in busway allows for busway rolled out in 1968 feeder and standard plug-in Westinghouse in 1958 and as a non-sandwich design power to be tapped off busway accounted for the was designed to conduct along a run as needed. with separated and 9 majority of busway business direct current with low uninsulated busbars. Busway is typically used in written by Westinghouse voltage drop. By 1963, manufacturing buildings and through the 1950s and into electric utility busway had In 1970, the Eaton’s Cutler- 10 high-rise office buildings. the 1960s. Low impedance been expanded to meet the Hammer Bethlehem, PA, Product History plug-in busway was growing industrial market plant introduced CP2 introduced in 1961. With for direct current power and SAFETYBUS that used an 11 Westinghouse began this design, the product was marketed simply as DC innovative single bolt, bridge marketing low voltage offering was expanded to busway. This product line joint design with a steel 12 busway in 1938. The first a maximum of 5000A for was applied to feeding housing for plug-in, and a product offering was power feeder and 4000A for plug-in. plating processes, welding combination of steel and distribution busway, using a installations, mill drives aluminum channels for the 13 multiple bolt joint that later During the 1950s, various and motors. feeder housing. CP2 used evolved into standard plug-in other designs were introduced a Mylar wrap for busbar busway. Victory bus duct was to meet specific customer In 1958, Westinghouse sold insulation and an Alstan® 14 developed during the Second needs. Westinghouse Lifeline the rights to the Life Line process for plating. The World War to comply with Unibus, rolled out in 1955, Unibus product line to EDP feeder busway was a federal limitations placed on provided low impedance of Allentown, PA, which sandwich design while the 15 usage of materials such as characteristics with plug-in marketed EDP Unibus until plug-in design used separated steel and copper, which were openings and incorporated 1962 when EDP became busbars that were braced and 16 critical to the war effort. In flexible armored cable a wholly owned subsidiary supported by corrugations 1947, Westinghouse began into the design for use as of Eaton. Eaton successfully formed in the housing sides. manufacturing busway at elbows, offsets and flat to marketed Unibus until 17 the newly acquired facility in edgewise adapters. the product line was Beaver, PA, with standard discontinued in 1974. 18 19 Standard Plug-In H5000 Feeder Electric Utility (DC) Low Impedance Plug-In 20 21 Low Impedance Feeder High Frequency H5000 Plug-In 225–1000A Current Limiting 22 23 Typical Pow-R-Way Plug-In Straight Length Typical Pow-R-Way II Plug-In Straight Length 24 25 V12-T9-2 Volume 12—Aftermarket, Renewal Parts and Life Extension Solutions CA08100014E—October 2016 www.eaton.com Busway (Low Voltage) 9 Westinghouse introduced Cutler-Hammer CP4 In 1988, Westinghouse Cutler-Hammer Pow-R- the Pow-R-Way product SAFETYBUS was introduced moved the busway product Way III® was introduced in 1 line in 1971. Pow-R-Way in 1985 and incorporated line to the Greenwood, SC, 1997. As in the past, specific employed the sandwich the sandwich design into the manufacturing facility. customer needs have driven design in both feeder and plug-in busway. CP4 featured At that time, an improved the design of this product 2 plug-in. At that time, Pow-R- a UL® recognized case ground Alstan plating process was line. High short-circuit ratings, Way used a combination of path rating and 130°C Mylar implemented for silver- finger-safe protection at the 3 PVC, applied by the fluidized busbar insulation. CP4 used plating the joint and contact plug-in openings, integral bed process, and Mylar the CP3 bridge joint package surfaces. In 1993, the housing ground path, two- sheeting for busbar insulation and accepted CP2 and CP3 automated fluidized bed piece extruded aluminum 4 that achieved a Class A, bus plugs. The CP4 product process was changed to housing and an optional 105°C rating. Silver-plating of line was successful in both Class B, 130°C, epoxy 200% neutral are just some all joint and contact surfaces the commercial and industrial insulation. of the features with this 5 was applied by a Zincate markets until it was product line. process. Pow-R-Way is a discontinued in 1994. bolt-end/slot-end design with 6 a single bolt connection at the joint and is rated from Product History Time Line 7 600 to 5000A. Pow-R-Way II was rolled out in 1975 with Product 1935 1940 1945 1950 1955 1960 1965 1970 1975 1980 1985 1990 1995 2000 Present ratings of 225A and 400A in 8 feeder and plug-in. Pow-R- Power distribution bus Way II is a single, captive bolt per bar design for indoor, Victory bus duct 9 horizontal applications only. Standard plug-in During 1980, the Cutler- Low impedance bus 10 Hammer busway design was upgraded and they began Life line Unibus marketing CP3 SAFETYBUS. High frequency bus 11 CP3 featured an improved bridge joint package and a Cutler-Hammer BV bus 12 polyethylene terephthalate Current limiting bus wrap for busbar insulation. CP3 maintained the CP2 Electric utility bus 13 housing design with busbar DC busway separation in the plug-in product configuration. 100 ampere busway 14 Low impedance plug-in Cutler-Hammer Unibus 15 H5000 feeder H5000 plug-in 16 Cutler-Hammer CP2 17 Pow-R-Way Pow-R-Way II 18 Cutler-Hammer CP3 Cutler-Hammer CP4 19 Pow-R-Way III 20 21 22 23 24 25 Volume 12—Aftermarket, Renewal Parts and Life Extension Solutions CA08100014E—October 2016 www.eaton.com V12-T9-3 Busway (Low Voltage) 9 Replacement Capabilities—Plug-In Units 1 Replacement Capabilities Vintage Busway Products Vintage Busway Plug-In Unit Plug-In Units ● Replacement pieces or Stab base assembly for additions to vintage Cutler- breaker and fusible types. 2 Replacement Capabilities Hammer bus (CP2, CP3, 1 CP4) are being handled Busway Types Bus Adapter Plugs whenever possible by 3 Power distribution bus No No No making transition to Victory bus duct No No No Eaton’s current design Pow-R-Way III bus 4 Standard plug-in Yes No Yes ● Obtain style number Low impedance bus No Yes — and complete nameplate 5 Life line Unibus No No No information from existing Top View busway and contact your High frequency bus No No No local Eaton Field Sales 6 Cutler-Hammer BV bus No No No office for pricing and Current limiting bus No Yes — availability Electric utility bus No No No ● Plugs for vintage 7 Cutler-Hammer bus, DC busway No No No Pow-R-Way bus, and 100 ampere busway Yes No Yes Pow-R-Way III bus are 8 Bottom View Low impedance plug-in No Yes Yes not interchangeable Fuse Base Assembly Cutler-Hammer Unibus No No No Pow-R-Way Plug-In Unit 9 For all busway.
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