GE / ABB THFD PowerBreak II Circuit Breakers
The GE THFD PowerBreak II series delivers 100kAIC interrupting capacity — the highest available in the PowerBreak II family. Designed for applications with extreme fault current requirements such as utility substations and large industrial facilities.
Series Specifications
| Frame | Industrial Bolt-On High Interrupting — 1200A Frame |
|---|---|
| Amperage Range | 15A - 1200A |
| Voltage | 240/480/600VAC |
| Poles | 3-Pole |
| Interrupting Rating | 100kA @ 480V |
| Mounting | Bolt-On |
| Trip Type | Thermal-Magnetic |
History and Replacement Context
The THFD series represents the highest interrupting capacity tier of GE's PowerBreak II family. Now manufactured by ABB following the GE Industrial Solutions acquisition in 2018.
Typical Applications
- Industrial branch circuits
- High fault current applications
- Utility substations
- Heavy manufacturing