| Table of Contents | 3 |
| Section 1 Load Centers | 5 |
| EZ Selector - Selection Assistance | 6 |
| QO™ Miniature Circuit Breakers | 7 |
| QO™ Load Centers | 13 |
| Homeline™ Miniature Circuit Breakers | 23 |
| Homeline™ Load Centers | 26 |
| QO/Homeline Load Center Value Packs and Accessories | 30 |
| QO/Homeline Load Center Dimensions | 36 |
| Combination Service Entrance Devices | 39 |
| Homeline Solar Ready PoN CSEDs | 47 |
| Wiser Energy™ and Wiring Devices | 48 |
| Enclosed Devices | 49 |
| Servicepak™ Power Outlet Panels | 52 |
| Section 2 Metering Equipment | 55 |
| Section 3 Safety Switches | 81 |
| Section 4 Power Monitoring and Control | 115 |
| PowerLogic™ Energy and Power Management Systems | 116 |
| Power Quality Improvement Solutions | 148 |
| Section 5 Protection, Control, and Energy Automation | 161 |
| Section 6 Surge Protective Devices (SPDs) and Easy UPS 3S | 195 |
| Externally Mounted SPDs | 196 |
| Internally Mounted SPDs | 197 |
| Nipple-Mounted SPDs | 202 |
| Residential SPDs | 205 |
| Square D™ Easy UPS 3S | 207 |
| Section 7 Miniature and Molded Case Circuit Breakers | 211 |
| Selection Information | 211 |
| QO™ and QOU Miniature Circuit Breakers | 221 |
| Homeline™ Miniature Circuit Breakers | 232 |
| Multi 9™ Miniature Circuit Breakers | 235 |
| PowerPact™ Molded Case Circuit Breakers | 241 |
| Mission Critical Circuit Breakers | 254 |
| 500 Vdc Circuit Breakers | 255 |
| Automatic Switches | 256 |
| Motor Circuit Protectors | 257 |
| PowerPact™ Circuit Breaker Accessories | 261 |
| MicroLogic™ Electronic Trip Units | 271 |
| MasterPact™ Power Circuit Breakers | 276 |
| Enerlin’X Digital Solutions | 291 |
| Ground-Fault Protection | 295 |
| Dimensions and Shipping Weights | 296 |
| Circuit Breaker Enclosures | 298 |
| Section 8 Operating Mechanisms and Disconnect Switches | 303 |
| Operating Mechanisms and Disconnect Switches | 304 |
| UL 508 Motor Disconnect Switches | 305 |
| UL 60947-4-1 and UL 98 Disconnect Switches | 311 |
| UL 98 IEC Style Disconnect Switches | 326 |
| Flange Mounted and Cable Operated | 334 |
| Operating Mechanisms for Circuit Breakers | 341 |
| Section 9 Panelboards | 347 |
| Panelboard Series Ratings | 348 |
| NQ Panelboards—240 Vac, 48 Vdc | 356 |
| NF Panelboards—600Y/347 Vac Max. | 373 |
| Separated Distribution and Split Bus Panelboards | 382 |
| Single Row (Column Width) NF and NQ Panelboards | 384 |
| Powerlink™ Lighting Control Systems | 386 |
| I-Line™ Panelboards—600 Vac, 250 Vdc | 391 |
| QMB/QMJ Fusible Panelboards Switch Units—600 Vac, 250 Vdc | 410 |
| Special Features, Modifications, and Terminal Data | 412 |
| Section 10 Power Solutions Integrated Equipment | 414 |
| Section 11 Switchboards and Switchgear | 422 |
| Section 12 Busway | 460 |
| Powerbus™ Busway | 461 |
| I-Line™ Busway | 465 |
| I-Line™ II Busway | 466 |
| Power-Zone™ Busway | 477 |
| Section 13 Wire Management | 480 |
| Section 14 Transformers | 488 |
| EZ Selector–Selection Assistance | 489 |
| Low-Voltage Dry-Type Distribution Transformers | 490 |
| Industrial Control Transformers | 501 |
| Instrument, 600 Volt Class | 507 |
| Energy Efficient, Dry Type 2.4, 5, and 15 kV | 508 |
| Section 15 Medical Products | 512 |
| Section 16 NEMA and Definite Purpose Contactors and Starters | 518 |
| Section 17 Motor Control Centers | 674 |
| Structure and Unit Features | 675 |
| MCC Units | 678 |
| Section 18 Contactors and Starters-IEC | 682 |
| TeSys Selection Overview | 683 |
| Digital Motor Control Solution | 686 |
| Contactors and Overload Relays | 689 |
| Contactor Accessories | 696 |
| Overload Relay Accessories | 704 |
| Motor Starters and Protectors | 706 |
| Soft Starter Module ATSU01 | 720 |
| Replacement Parts | 721 |
| Wiring Systems | 722 |
| Dimensions | 723 |
| Section 19 Push Buttons and Operator Interface | 744 |
| Section 20 Electronic Sensors and Machine Cabling | 888 |
| Section 21 Limit Switches | 900 |
| Section 22 Pressure, Vacuum, and Float Switches | 946 |
| Section 23 Relays and Timers | 980 |
| General Purpose Relays | 981 |
| Solid State Relays | 1047 |
| Industrial Relays | 1066 |
| Timers | 1079 |
| Control and Measurement Relays | 1090 |
| Power Supplies | 1096 |
| Interface Modules | 1097 |
| Section 24 Terminal Blocks | 1100 |
| Section 25 Machine Safety Products | 1132 |
| Section 26 AC Drives and Soft Starters | 1140 |
| Section 27 Automation Products | 1172 |
| Section 28 Universal Enclosures | 1194 |
| Section 29 EcoStruxure™ | 1204 |
| Alphabetical Listing | 1212 |
| Alphanumeric Listing | 1240 |