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Basic Sections and Structure Features/Modifications (SC-II and PE-II)
Basic Sections DeliveryProgram Basic 20 Wide SectionIncludes standard features indicated in the tables below and on following pages. Maximum three (3) 20 wide sections per shipping block.SC-II25, 30, 35Wide SectionThese sections do not have a vertical wireway. These sections require individual shipping blocks.25 Wide Section with 9 WirewaySection width is 25. Section has a 9 wireway. Maximum of two (2) 25 wide sections with 9 wireway per shipping block. Maximum of one (1) 25 wide section with 9 wireway per shipping block with export packing.Back-to-Back SectionThere is no additional charge for assembling 15 or 20 deep sections back-to-back. Back-to-back construction consists of two (2) separate sections mounted together, each with separate bus. Front and rear sections must be equal in width. Six (6) 20 wide sections per shipping block is maximum. A front-to-rear horizontal bus link will be provided only when an incoming line lug compartment, main breaker, or main disconnect is selected. This splice link will be located at the opposite end of the MCC from the incoming line section.Corner SectionInside corner configuration is either 15 deep by 25.125 wide or 20 deep by 30.125 wide and is designed to contain power bus rated 600A-2000A only. There is no available space for the installation of units. See page 62 to select.
Corner sections may be selected with an incoming line lug provision, see page 62 to select. Incoming line lug provisions are not available in either NEMA Type 3R, Type 4, or back-to-back construction.10 Wide Incoming Lug CompartmentThis section must be selected as part of a 2-section shipping block, shipped attached to a 20, 25, or 30 wide section . It cannot be selected as free standing or attached to a section with 9 vertical wireway, any 35 wide drive unit, full-section
programmable controller, 1600A and 2000A 2192M, or 2000A 2193M, and is not available in NEMA Type 3R, Type 4, or back-to-back construction.PE-II
71 High SectionThis 70.48 high ื 15 or 20 deep section will accommodate standard plug-in units up to and including 4.5 space factors. Standard height bus (45 center point) and lower height bus (25.5 center point) are available.Please note the following restrictions for 71 high sections:If top incoming (unless a full section incoming main lug is used) or top frame mounted device is required, select lower height bus.If bottom incoming (unless full section incoming main lug is used) or bottom frame mounted device is required, select standard bus height.If frame mounted transformer is required, select standard bus height.If frame mounted transformer with top incoming is required, select standard height bus and use a full section incoming main lug.Two frame mounted units cannot be used in a single section.Top frame mounted units and bottom frame mounted units cannot be mixed in the same line up (e.g., Bulletin 2191, 2192, 2193, 2195, 2196, and 2197 units).Only the following incoming main lug compartments are available pre-engineered: 300A and 600A in 1.0 space factors, 800A in 1.5 space factors, 1200A in 2.0 space factors, 600A-2000A full section 4.5 space factors. See publication 2100-TD024 x -EN-P for more information.6.0 space factor, frame mounted units are not available.SC-II71 High Back-to-Back SectionBack-to-back construction consists of two (2) separate sections mounted together, each with separate bus. Front and rear sections must be equal in width. Six (6) 20 wide sections per shipping block is maximum. A front-to-rear horizontal bus link will be provided only when an incoming line lug compartment, main breaker, or main disconnect is selected. This splice link will be located at the opposite end of the MCC from the incoming line section. SectionFeatures/Modifications DeliveryProgram Cabinet Depth15 deepSC-II20 deepEnclosureTypeNEMA Type 1NEMA Type 1 with gasket (gasketed unit door areas)NEMA Type 12 (totally gasketed enclosure with bottom
closing plates)NEMA Type 3R (non-walk-in) front mounted only. Available for internal sections, 30 wide maximum. The external dimension of each NEMA Type 3R cabinet is 5 wider than its internal section and 30 deep (with 20 deep internal section). Not available in back-to-back construction. Refer to publication 2100-TD025 x -EN-P. Contact your local Rockwell Automation Sales Office for solid-state equipment (i.e., variable
frequency drives, SMCs and
Plcs).PE-IINEMA Type 4 (non-walk-in) stainless steel, front mounted only. Available for internal sections, 30 wide maximum. The external dimension of each NEMA Type 4 section is 5 wider than its internal section and 30 deep (with 20 deep internal section). Not available in back-to-back construction. Refer to publication 2100-TD026 x -EN-P. Contact your local Rockwell Automation Sales Office for solid-state equipment (i.e., variable frequency drives, SMCs and PLCs).Bottom Closing PlatesFor NEMA Type 1 and Type 1 with gasket. Bottom closing plates are standard on NEMA Type 12.SC-IIFor corner section NEMA Type 1 and Type 1 with gasket. Bottom closing plates are standard on NEMA Type 12.Drip HoodDrip hood for NEMA Type 1, Type 1 with gasket, and Type 12 only. (Not required for NEMA Type 3R or Type 4.) Drip hood is an overhang on top of a section, providing protection from limited amounts of liquid or dirt dripping and/or running down the front of a section. Select one drip hood per section.
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