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Non-Segregated Phase Bus Duct Technical Data TD01702001E Effective October 2008 Supersedes TD01702001E Pages 1 – 24, Dated September 2007

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Non-Segregated Phase Bus Duct Technical Data TD01702001E Effective October 2008 Supersedes TD01702001E Pages 1 – 24, Dated September 2007 TD01702001E.fm Page 1 Monday, October 20, 2008 12:40 PM Non-Segregated Phase Bus Duct Technical Data TD01702001E Effective October 2008 Supersedes TD01702001E pages 1 – 24, dated September 2007 Metal-Enclosed Non-Segregated Phase Bus Runs Contents General Description . 2 Installation Diagrams . 22 – 23 Standards . 2 Final Field Fit Fax Release . 24 Short Circuit Force Withstand Ability . 2 Specifications. 25 Technical Data and Specifications . 3 Electrical Data . 3 Dimensional Data . 4 – 6 Product Description . 8 – 21 Collar . 8 Splice Joint . 8 Boot Connection . 8 Construction . 9 Conductors . 9 Non-Segregated Phase Feeder Bus . 10 Vertical Feeder. 11 Space Heaters . 11 Fittings. 11 Traditional Elbows . 12 Offsets . 13 Tees. 14 Switchgear Flanges . 15 End Cable Tap Box . 16 Phase Transposition . 16 Expansion Joints . 16 Bushing Box Termination . 16 Transformer Termination . 17 Sealing Ring. 17 Vapor and Fire Barriers . 18 Column Supports. 19 Horizontal Hanger . 20 Wall/Floor Flange. 21 TD01702001E.fm Page 2 Monday, October 20, 2008 12:40 PM Optional Optional Ground Bus Ground Bus 3-Phase, 3-Wire 3-Phase, 4-Wire Straight Section Downward Elbow 1200 – 3200 Amperes 1200 – 3200 Amperes 600 V 5 kV – 15 kV 600 V 5 kV – 15 kV General Description Eaton’s Cutler-HammerT non-segregated phase bus runs are designed for use on circuits whose importance requires greater reliability than power cables provide. Typical of such applications are the connec- tions from transformers to switchgear assemblies in unit substations, connections from switchgear assemblies to rotating apparatus, and tie connections between switchgear assemblies. Optional Optional Non-segregated phase bus is an assembly of bus conductors with Ground Bus Ground Bus associated connections, joints and insulating supports confined 3-Phase, 3-Wire 3-Phase, 4-Wire within a metal enclosure without interphase barriers. The conductors 4000 – 4000 – are adequately separated and insulated from each other and grounded 600 V 5 kV – 15 kV 600 V 5 kV – 15 kV by insulating bus supports. Each conductor for 2400 volt service and above is insulated with a fluidized bed epoxy coating throughout which reduces the possibility of corona and electrical tracking. Standards The metal-enclosed non-segregated phase bus runs are designed for 600 V, 5 kV, 15 kV, 27 kV and 38 kV service in accordance with ANSI C37.23. Available ratings are shown in Table 1. Temperature Rise Optional Optional Ground Bus Ground Bus The bus will be capable of carrying rated current continuously without 3-Phase, 3-Wire 3-Phase, 3-Wire exceeding a conductor temperature rise of 65ºC above an outside 1200 – 2000 Amperes 1200 – 2000 Amperes ambient temperature of 40ºC, as required by ANSI Standard C37.23. 27 kV 38 kV Test FIGURE 1. SYSTEM CONFIGURATIONS The design of non-segregated bus runs has been tested per ANSI C37.23. Certification of momentary current testing, impulse testing, and heat rise are available upon request. Seismic Application Bus run assemblies are designed to meet Uniform Building CodeT (UBC) and California Building Code Title 24 for Seismic Zones 4.3.2a.2b.1. and 0. Completed guidelines for proper supports are provided on each seismic specified order. Short Circuit Force Withstand Ability The metal-enclosed non-segregated phase bus runs are designed to withstand electrical and mechanical forces generated by momentary (10 cycle) and short-time (2 second) short circuit currents in accordance with the latest ANSI/IEEE Standard C37.23. For 600 V application, 4-cycle momentary current withstand rating up to 158 kA peak (98.8 kA rms asymmetrical) is also available. Refer to Table 1 for available short circuit ratings. Third Party Certification Certain bus ratings can be supplied with CSAT listing. Refer to Tables 1 – 4 for availability of CSA listing. 2 EATON CORPORATION Cutler-Hammer Non-Segregated Phase Bus Duct Technical Data TD01702001E Effective: October 2008 TD01702001E.fm Page 3 Monday, October 20, 2008 12:40 PM Technical Data and Specifications Electrical Data TABLE 1. AVAILABLE NON-SEGREGATED BUS RATINGS PER ANSI/IEEE STANDARD C37.23-1987 1 RATED SHORT-TIME SHORT CIRCUIT RATED MOMENTARY WITHSTAND CURRENT SHORT CIRCUIT POWER IMPULSE (KA RMS SYMMETRICAL) WITHSTAND CURRENT RATED RATED FREQUENCY WITHSTAND RATED 10 CYCLE MAXIMUM POWER WITHSTAND (1.2 X 50 CONTINUOUS VOLTAGE FREQUENCY 1 MIN. DRY, MICROSEC) CURRENT KA KA RMS KV RMS HZ KV RMS KV PEAK AMPERES 2 SEC. 1 SEC. 2 PEAK ASYM. 0.635 60 2.2 10 1200 49 69 132 3 78 3 2000 3000 3200 4000 5000 0.635 60 2.2 10 1200 63 89 170 100.8 2000 3000 3200 4.76 60 19 60 1200 49 — 132 78 2000 3000 3200 4000 5000 4.76 60 19 60 1200 63 — 170 100.8 2000 3000 3200 8.25 60 36 95 1200 41 — 111 66 2000 3000 3200 4000 5000 8.25 60 36 95 1200 63 — 170 100.8 2000 3000 3200 15 60 36 95 1200 48 — 130 77 2000 3000 3200 4000 5000 15 60 36 95 1200 63 — 170 100.8 2000 3000 3200 27 60 60 125 1200 40 — 108 64 2000 38 60 80 170 1200 40 — 104 64 2000 3000 3200 4000 5000 1 Refer to Table 2, 3 and 4 for available CSA and ULT listings. 2 This is a value calculated from 2 second short-circuit current withstand rating based on relationship l2t = constant. 3 For 600 V application, 4-cycle momentary current withstand rating up to 158 kA peak (98.8 kA rms asymmetrical) is also available. EATON CORPORATION Cutler-Hammer Non-Segregated Phase Bus Duct Technical Data TD01702001E ©Copyright 2008 3 TD01702001E.fm Page 4 Monday, October 20, 2008 12:40 PM Dimensional Data W W W C 1 2 3 C 112 2 3 3 C 1 2 331 2 Bus C Bus L H Bus CL H CL H Optional CL Optional CL Optional CL Ground Bus Ground Bus Ground Bus Layout 1 Layout 2 Layout 3 FIGURE 2. MEDIUM VOLTAGE NON-SEGREGATED PHASE BUS — STANDARD CONFIGURATIONS TABLE 2. BUS DUCT RATED 49 KA RMS SYMMETRICAL 2 SECONDS AVERAGE CONDUCTOR PHASE-PHASE BRACING OPTIONAL WEIGHT VOLTAGE AMPERE LAYOUT CENTER- CONDUCTOR CONDUCTOR SUPPORTS GROUND PER FOOT STANDARDS WIRE (KV) 1 RATING NUMBER WIDTH HEIGHT LINE SIZE SPACING 2 BUS 3 LISTING Aluminum Enclosures 3 0.635/5/15 1200 1 20.00 17.38 8.13 (1) 0.5 x 3 5.38 Glass 0.25 x 2 38 CSA Polyester 3 0.635/5/15 2000 1 20.00 17.38 8.13 (1) 0.375 x 6 5.38 Glass 0.25 x 2 47 CSA Polyester 3 0.635/5/15 3000 1 20.00 17.38 8.13 (1) 0.5 x 8 5.38 Glass 0.25 x 2 68 CSA Polyester 3 0.635/5/15 3200 1 20.00 17.38 8.13 (1) 0.5 x 8 5.38 Glass 0.25 x 2 68 Polyester 3 0.635/5/15 4000 2 35.75 17.38 8.13 (2) 0.5 x 6 5.38 Glass 0.25 x 2 101 CSA Polyester 3 0.635/5/15 5000 2 35.75 17.38 8.13 (2) 0.5 x 8 5.38 Glass 0.25 x 2 118 CSA Polyester 4 0.635/5/15 1200 4 26.00 17.38 8.13 (1) 0.5 x 3 5.38 Glass 0.25 x 2 48 CSA Polyester 4 0.635/5/15 2000 4 26.00 17.38 8.13 (1) 0.375 x 6 5.38 Glass 0.25 x 2 60 CSA Polyester 4 0.635/5/15 3000 4 26.00 17.38 8.13 (1) 0.5 x 8 5.38 Glass 0.25 x 2 88 Polyester 4 0.635/5/15 3200 4 26.00 17.38 8.13 (1) 0.5 x 8 5.38 Glass 0.25 x 2 88 Polyester 4 0.635 4000 5 35.75 17.38 8.13 (2) 0.5 x 6 4.00 Glass 0.25 x 2 127 Polyester Steel Enclosures (Steel, Stainless Steel and Galvanized Steel) 3 0.635/5/15 1200 1 20.00 17.38 8.13 (1) 0.5 x 3 5.38 Glass 0.25 x 2 58 CSA Polyester 3 0.635/5/15 2000 1 20.00 17.38 8.13 (1) 0.375 x 6 5.38 Glass 0.25 x 2 67 CSA Polyester 3 0.635/5/15 3000 1 20.00 17.38 8.13 (1) 0.5 x 8 5.38 Glass 0.25 x 2 106 Polyester 3 0.635/5/15 3200 1 20.00 17.38 8.13 (1) 0.5 x 8 5.38 Glass 0.25 x 2 106 Polyester 3 0.635/5/15 4000 2 35.75 17.38 8.13 (2) 0.5 x 8 5.38 Glass 0.25 x 2 154 Polyester 3 0.635/5/15 5000 3 35.75 17.38 8.13 (2) 0.5 x 8 5.38 Glass 0.25 x 2 154 Polyester 4 0.635/5/15 1200 4 26.00 17.38 8.13 (1) 0.5 x 3 5.38 Glass 0.25 x 2 72 CSA Polyester 4 0.635/5/15 2000 4 26.00 17.38 8.13 (1) 0.375 x 6 5.38 Glass 0.25 x 2 84 CSA Polyester 4 0.635/5/15 3000 4 26.00 17.38 8.13 (1) 0.5 x 8 5.38 Glass 0.25 x 2 124 Polyester 4 0.635/5/15 3200 4 26.00 17.38 8.13 (1) 0.5 x 8 5.38 Glass 0.25 x 2 124 Polyester 4 0.635 4000 5 35.75 17.38 8.13 (2) 0.5 x 8 4.00 Glass 0.25 x 2 188 Polyester 1 All phase conductors above 635 V are fully insulated with epoxy insulation for the rated maximum voltage.
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