SIGNAL WORDS The signal words Danger, Warning and Caution used in this manual indicate the degree of hazard that may be encountered by the user. These words are defined as: Danger - Indicates death or serious injury will result if proper precautions are not taken. Warning - Indicates death, serious injury or property damage can result if proper precautions are not taken. Caution - Indicates some injury or property damage may result if proper precautions are not taken. QUALIFIED PERSON For the purposes of this manual and product labels, a qualified person is one who is familiar with the installation, construction, operation or maintenance of the equipment and the hazards involved. In addition this person has the following qualifications: (a) (b) is trained and authorized to energize, de-energize, clear, ground and tag circuits and equipment in accordance with established safety practices. is trained in the proper care and use of protective equipment such as rubber gloves, hard hat, safety glasses or face shields, flash clothing, etc., in accordance with established safety practices. (c) is trained in rendering first aid. IMPORTANT These instructions do not purport to cover all details or variations in equipment, nor to provide for every possible contingency to be met in connection with installation, operation or maintenance. Should further information be desired or should particular problems arise which are not covered sufficiently for the purchaser s purposes, the matter should be referred to the local Siemens sales office. The contents of this instruction manual shall not become part of or modify any prior or existing agreement, commitment or relationship. The sales contract contains the entire obligation of Siemens. The warranty contained in the contract between the parties is the sole warranty of Siemens. Any statements contained herein do not create new warranties or modify the existing warranty. A1
Table Of Contents Page General Design and Structure General Description B1 TIASTAR Structure Design Steel Work Mounting Sills Lifting Angle Wireways Bus Mounting and Assembly Doors Unit Supports Cover Plates Finish Structure Arrangements Front Mounting B4 Back-to-Back Structure B4 Special Structures B4 Pull Box (Top Hat) B4 Unit Options Fixed Mounted Units Blank Units Special Units Structural Ratings and Dimensions Structural Gauge Average Structural Weight Table (Est.) Enclosure Types NEMA 1 (Standard) NEMA 1 Gasketed Front, General Purpose - Indoor NEMA 2 - Drip-proof - Indoor NEMA 12 - Industrial Use - Indoor B7 NEMA 3R - Rainproof - Outdoor B7 Bus and Bus Bracing Horizontal (Main) Bus B7 Vertical Bus B7 MCC Shutter Mechanism B8 Neutral Bus B8 Ground Bus B8 Bus Drawings Available Locations Of Ground And Full Length Neutral B9 Bus Mounting Dimensions B9 Typical Stab-on Conections for Back-to-Back Sections B10 Bus Drawing B10 Mounting of Single and Double Bus Bars B10 Vertical Bus Dimensions and Availability B11 Bus Bar Phase B11 Horizontal Bus Link B11 Incoming Line Termination Main Lugs Only B12, 13 Arrangements Main Circuit Breakers - 80% Rated B14, 15 Main Fusible Switches B16, 17 Bus Link B18 Bus Duct Connection B18 Available Space Drawings Blank Section B18 Plug-In Unit Dimensions B19 Fixed Mounting Panel Dimensions B19 Wireway Dimensions 0, 21 Conduit Entry and Transformer Top Conduit Entry: 15, 20, and Back-to-Back 2 Mounting Drawings A2
Bottom Conduit Entry: 15, 20, and Back-to-Back 2 Wireway Auto-Transformer Mounting and Bottom Conduit Entry Restrictions 3 Size 2-4 Reduced Voltage Auto Transformers 3 Size 5 and 6 Reduced Voltage Auto Transformers 3 Lighting Transformer Mounting and Conduit Entry Restrictions 4 1-5 KVA Single Phase 4 71/2-15 KVA Single Phase 4 NEMA 3R Structure Dimensions 5 Duplex Structure Floor Plan and Clearance Dimensions 6 MCC Door Plexiglass-Cutouts Dimensions 6 Unit Design TIASTAR Features Control Units High Density Unit Plug-In Unit Construction Stabs Unit Supports C2 Unit Racking C2 Disconnect Operating Handle Interlock Mechanisms C2 Handle Interlock and Defeater Safety Lock OFF in Test Position Handle Auxiliary Switch Pilot Device Panel Unit Nameplates Combination Starter and Distribution Unit Ratings C4 D1 Combination Starter Ratings and Dimensions FVNR-Full Voltage Non-Reversing Unit with Fusible Switch or Circuit Breaker D2, 3 FVNR-High Density Full Voltage Non-Reversing Unit with Circuit Breaker D4, 5 Dual FVNR-Full Voltage Non-Reversing Unit with Fusible Switch or Circuit Breaker D6, 7 Combination Contactor Ratings and Dimensions with Fusible Switch or Circuit Breaker D8, 9 FVR-Full Voltage Reversing Unit with Fusible Switch or Circuit Breaker D10, 11 2S1W - Two Speed - One Winding Reconnectable Consequent Pole Unit with Fusible Switch or Circuit Breaker D12, 13 2S2W - Two Speed - Two Winding Unit with Fusible Switch or Circuit Breaker D14, 15 PW - Full Voltage Part Winding Unit with Fusible Switch or Circuit Breaker D16, 17 RVAT - Reduced Voltage Auto-Transformer Unit with Fusible Switch or Circuit Breaker D18, 19 YDC - Reduced Voltage Wye Delta Closed Transition D20, 21 YDO - Reduced Voltage Wye Delta Open Transition D22, 23 FeederTap Circuit Breakers D24 FeederTap Fusible Switches D24 Distribution Units Transformers D25 Transformer Protection - Lighting and Master Control D25 Description of Standard Transformers D25 Transformer Ratings and Space Requirements D25 Panel Board D26 A3
Control Components Starters E1 NEMA Starters E1 Innova/Plus Overload Features E1 Starter Sizes and Ratings E2 Innova/Plus E2 Bimetal Ambient Compensated Thermal Overload E3 ESP100 Overload E3 3UF7 (SIMOCODE Pro) Overload E3 Motor Circuit Protectors E4 Starter Unit Components Starter Unit Protective Devices Standard Disconnects Fuse Clips Solid-State Controls Programmable Logic Controllers Control PowerTransformers (CPTS) Soft-Start Controls E6 Variable Speed Drives E6 Standard Control Transformers Sizes in VA E7 Excess Capacity CPT VA Rating E7 Fuse Selection - Control PowerTransformer E7 Pilot Controls Pilot Devices 3S 22mm Plastic Class 52 30mm Metal Relays 3RH11 3RP15 Timing Relay Actuator-Sensor-Interface (AS-Interface) Terminal Blocks and Wiring Control Terminal Blocks Swing Plate Stationary Terminal Blocks Pull-Apart Terminal Blocks Special Terminal Blocks Load Terminal Wire Range Load Terminal Blocks Type C Wiring Master Terminal Block Location Wiring Specifications Control on Units Interconnection Control Wiring Between Units Power Wiring 1 gauge to 500 MCM Standard Color Coding of Wires Appendix I: General Specifications General F1 Structure F1 Bus F2 Units F2 Appendix II: Definitions, Terms Motor Control Center Definitions G1 & Reference Data NEMA G1 UL G1 Field Terminations: NEMA Classes and Types G2 Class I Independent Units G2 A4
Class II Interconnected Units NEMA Wiring Types A, B, and C Type A Type B Type C Basic Sections Horizontal (or Main) Bus Vertical Bus Horizontal Bus Support Vertical Bus Support Bus Barriers Channel Sills Lifting Angles Unit Supports Back Plates Top Cover Plates End Cover Plates Doors Units Future Unit Space Blank Unit Space Unusable Unit Space Standard Drawings Custom Drawings G2 Protective Devices Main Circuit Breakers Main Fusible Disconnect Starter Units Combination Starter Units FeederTap Units FeederTap Circuit Breakers or Fusible Disconnects NEC Requirements for Lighting Panels 384-14 Lighting and Appliance Branch Circuit Panelboard 384-15 Number of Overcurrent Devices on One Panelboard 384-16 Overcurrent Protection Short Circuit Rating and Equipment Selection Information Introduction Motor Control Centers Short Circuit Ratings for MCC Units Bus and Bus Barrier Selection Horizontal Power Bus Vertical Power Bus Fusible Switches 600V G6 Mains & Feeders G6 Recommended MCP Type Selection 3 Phase 60Hz Squirrel Cage Motors MCP Selection G7 Type Breakers Instantaneous Trip Breakers Recommended Settings G8 Type Setting Positions G8 Breaker Selection 3 Phase 60Hz Squirrel Cage Motors G9 Fuse Selection 3 Phase 60Hz Squirrel Cage Motors Inverse Time Breaker G10 A5
UL Standard Fuse Classifications G11 E Standard Trip Heater Elements for Ambient Temp. Comp. Bimetal Relays G12 Heater Tables G12-14 Additional Information Part Winding Starter Heater Selection G13 Bimetal Overload Relays G13 Formulas for Obtaining FLA of Other Motors G13 Single Phase Motor FLA G13 Approximate AC Motor Amps G14 A6