Ul-857 busway pdf parent-directory

Since spectra series busway is lighter than other busways, its easier to handle and hang. Powr way iii, threephase fourwire with housing ground and 200% neutral. Table of contents eep electrical engineering portal. The powerwave 2 busway system provides a vastly flexible, simpletoinstall, highly configurable and monitoring intelligent overhead power busway distribution. Provide dimensioned plan views and sections indicating proposed busway routing, required clearances, and locations and details of supports, fittings, equipment connections, and firestops and weatherseals at building element penetrations. This standard applies to serviceentrance, feeder, and branchcircuit busways and associated fittings rated at 600 v or less, 6 000 a or less, and intended for use in accordance with the canadian electrical code, part i ce code, part i, the national electrical code nec, nfpa 70, and the mexican standard. Sentron busway is tested in accordance both ul and iec standards. Use the index of product categories at the back of this directory. Find the most uptodate version of ul 857 at engineering360. Low voltage busway powrway iii t technical data td01701001e effective april 2007 supersedes td01701001e pages 1 56, dated december 2006 contents. For the purpose of these requirements, a busway is considered to be a grounded metal enclosure containing factory mounted conductors that are. H and jframe plugin units with 15250 a circuit breakers version 02 prp. Circuit breakers provide a manual means of energizing and deenergizing a circuit.

The aluminum extrusion acts as a 100% ground path meeting ul 857 standard and complies with applicable paragraphs of section 250 of the nec. Track busway housing section consists of an extruded aluminum shell with springpressure type copper channel busbars contained in a full length halogenfree insulator mounted on the interior walls. Standard shortcircuit busway ratings can be given a higher ul listed. All sentron is manufactured and inspected in an iso 9001. Working together, we can build a safer, more secure and sustainable world. A switchboard flanged 66 it is 26 762 mm from the top of the 67 the busway. Powerwave 2 busway system pdi power distribution, inc. Busway iline plugin unit enclosure show more characteristics price is list price and may be subject to a trade discount check with your local distributor or retailer for actual price. This superior insulation enables spectra series busway to operate satisfactorily at 50c ambient with a 55c heat rise, allowing 105c maximum. Powrway iii, threephase fourwire with housing ground and 200% neutral.

Our offerings deliver innovative solutions that help you empower trust in the global marketplace and address tough business challenges. The busway selection chart below will help you in selecting the proper product to fit your requirements. Resistance directory under throughpenetration fire stop. Phd36100gnu31x busway iline breaker plugin unit, 100a.

Nema standard bu 1, ul standard 857 federal specification. Ul 857 ul standard for safety busways engineering360. In addition to the standard illustrated on graph 9. The system is listed in the ul fire resistance directory under. All sentron busway products meet the following standards. Ul 857 standard for busways requires busway systems to be designed not to exceed a total. Testing criteria etl certified to ul rating for busway systems ul 857 iec rated etl certified to iec rating for busway systems 60439. Busway systems overview selector chart 206500 ampere general 3 busway systems ite then known as bulldog electric was the first manufacturer to make a busway. Spectra series busway conforms to the latest revisions of.

1579 515 2 34 1204 796 841 178 1262 270 1044 1268 462 855 444 226 988 948 1324 1240 694 185 251 726 923 381 772 868 74 1464 14 878