| Manufacturer | Equipment Family |
| ABB | ADVAC Medium Voltage Vacuum Circuit Breaker |
| ABB | Vmax Medium Voltage Circuit Breaker |
| ABB/BBC/ITE | Type K (K-Line, K-Line Plus, & K-DON) Low Voltage Power Circuit Breaker |
| ABB/BBC/ITE | HK/VHK Medium Voltage Circuit Breaker |
| ABB/BBC/ITE | HK1000 Medium Voltage Circuit Breaker |
| ABB/BBC/ITE | LK Low Voltage Power Circuit Breaker |
| ABB/BBC/ITE | MB/MBE Low Voltage Power Circuit Breaker |
| ABB/SACE | Emax Low Voltage Power Circuit Breaker |
| Allis-Chalmers/Siemens-Allis | LA/LAF Low Voltage Power Circuit Breaker |
| American Switchgear/McGraw-Edison | PSD Medium Voltage Circuit Breaker |
| Cutler-Hammer/Eaton/Square D/Westinghouse | DS/DSL/DSII/DSLII Low Voltage Power Circuit Breaker |
| Cutler-Hammer/Eaton/Westinghouse | VCP-W Medium Voltage Vacuum Circuit Breaker |
| Eaton/Cutler-Hammer | Magnum DS & Magnum SB Low Voltage Power Circuit Breaker |
| FPE | H-2/HL-2 & H-3/HL-3 Low Voltage Power Circuit Breaker |
| FPE | H/H-1 Low Voltage Power Circuit Breaker |
| FPE | FPS/FMS Low Voltage Circuit Breaker |
| General Electric | PowerVac Medium Voltage Vacuum Circuit Breaker |
| General Electric | Magne-blast Medium Voltage Circuit Breaker & PowerVac VL Medium Voltage Vacuum Circuit Breaker (Installed In M-26 Or M-36 Metal-Clad Switchgear) |
| General Electric | AK/AKR Low Voltage Power Circuit Breaker (Installed In AKD-8 Metal Clad Switchgear) |
| General Electric | AK Low Voltage Power Circuit Breaker In Drawout AKD-5 Metal Clad Switchgear |
| General Electric | WavePro & EntelliGuard Low Voltage Power Circuitbreaker In Drawout AKD-10 Metal Clad Switchgear |
| General Electric | AK & AKR Low Voltage Power Circuit Breaker In Drawout AKD-6 Metal Clad Switchgear |
| General Electric | SecoVac VB2+ Medium Voltage Vacuum Circuit Breaker |
| General Electric | AMH Medium Voltage Circuit Breaker |
| General Electric | PowerBreak II Low Voltage Power Circuit Breaker |
| General Electric | EntelliGuard G Low Voltage Power Circuit Breaker |
| ITE | KB Low Voltage Power Circuit Breaker |
| ITE | KC Low Voltage Power Circuit Breaker |
| McGraw-Edison/Pennsylvania Transformer | WS/WSA Medium Voltage Circuit Breaker |
| Merlin Gerin/Schneider/Square D Masterpact | NT Low Voltage Power Circuit Breaker |
| Merlin-Gerin/Schneider | Compact NS Low Voltage Power Circuit Breaker |
| Merlin-Gerin/Schneider | SelPact Low Voltage Power Circuit Breaker |
| Merlin-Gerin/Schneider/Square D Masterpact | Masterpact NW & Masterpact MP/MC Low Voltage Power Circuit Breaker |
| Powell | PowlVac PV Medium Voltage Vacuum Circuit Breaker |
| Schneider/Square D | VR Medium Voltage Vacuum Circuit Breaker |
| Siemens | GMI & 3AF Medium Voltage Vacuum Circuit Breaker |
| Siemens | WL Low Voltage Power Circuit Breaker |
| Siemens/Siemens-Allis | RL/RLE/RLF/RLI Low Voltage Power Circuit Breaker |
| Siemens-Allis/Siemens | 3AF Medium Voltage Vacuum Circuit Breaker |
| Terasaki/Hyundai | TemPower AT & HAT Low Voltage Air Circuit Breaker |
| Toshiba | Pro/VAC Type PV |
| Westinghouse | DHP/DVP Medium Voltage Vacuum Circuit Breaker |
| Westinghouse | VCP Medium Voltage Power Circuit Breaker |
| Westinghouse | DH Medium Voltage Circuit Breaker |
| Westinghouse | DB-25 & DBL-25 Low Voltage Power Circuit Breaker |
| Westinghouse | DB-50 & DBL-50 Low Voltage Power Circuit Breaker |
| Westinghouse | DB-75/DBL-75 & Type DB-100/DBL-100 Low Voltage Power Circuit Breaker |
