2 Rockwell Automation Publication 2500-SG001G-EN-P - March 2020
CENTERLINE 2500 Low Voltage Motor Control Centers and Switchgear Assemblies Selection Guide
What’s Inside
Topic Contents Page
CENTERLINE 2500 Low Voltage Motor Control Centers High-Performance Motor Control Centers 5
IntelliCENTER® Technology 6
ArcShield Technology 7
Selection Process 8
Step 1: Review Technical Specifications Specifications for Standards, Certifications and Markings, Rated Voltages, and more 9
Step 2: Network Technology EtherNet/IP Components 12
IntelliCENTER Software Features 12
IntelliCENTER Database 13
Step 3: Select Structure Mounting Configurations 15
Column Construction and Dimensions 16
Degree of Protection (Enclosure Rating) 18
Operating Environment (Temperature and Altitude) 18
Plating and Painting 18
Master Nameplates 18
Wireways 18
Forms of Separation 20
ArcShield™ Technology 21
Step 4: Power Systems Control and Incoming Power 23
Power Bus System 23
Protective Earth Conductor 25
Step 5: Select Unit Designs Unit Size 27
Unit Style 27
Fully Withdrawable Units 27
Fully Withdrawable Units with SecureConnect 29
Fixed Mount Units 29
Rotary Operating Handles 30
Unit Disconnect Means 30
Stab Assembly 30
Unit Doors 31
Control Power 32
Step 6: Select Unit Types Mains 35
Main Lug Only Compartment 37
Ties 38
Feeders 39
Starter Units 42
Soft Starter Units 46
Variable-frequency Drive (VFD) Units 49
Network, PLC, and I/O Compartments 58
Distribution Panels 59
CENTERLINE 2500 Low Voltage Motor Control Centers Selection Checklist 61