Westinghouse FD Series (Westinghouse) Circuit Breakers
The Westinghouse FD series is a standard-interrupting F-Frame molded case circuit breaker rated for 100A frame size and 600VAC operation. FD breakers cover 15A to 100A for commercial distribution and branch circuit protection.
Series Specifications
| Frame | F-Frame — 100A Frame |
|---|---|
| Amperage Range | 15A – 100A |
| Voltage | 600VAC |
| Poles | 1-Pole, 2-Pole & 3-Pole |
| Interrupting Rating | 14kA @ 600V / 18kA @ 480V / 22kA @ 240V |
| Mounting | Bolt-On |
| Trip Type | Thermal Magnetic |
History and Replacement Context
The Westinghouse FD series was part of the Series C product family. After the 1994 Eaton acquisition, FD catalog numbers continued under the Cutler-Hammer brand. Millions of Westinghouse FD breakers remain in service.
Typical Applications
- Commercial distribution panels
- Branch circuit protection
- Industrial branch circuits
- Motor branch circuit protection
Available Catalog Numbers
- FD63B070 — 70A, 3 pole, 240/480/600VAC
- FD63B080 — 80A, 3 pole, 240/480/600VAC
- FD63B090 — 90A, 3 pole, 240/480/600VAC
- FD63B100 — 100A, 3 pole, 240/480/600VAC
- FD63B110 — 110A, 3 pole, 240/480/600VAC
- FD63B125 — 125A, 3 pole, 240/480/600VAC
- FD63B150 — 150A, 3 pole, 240/480/600VAC
- FD63B175 — 175A, 3 pole, 240/480/600VAC
- FD63B200 — 200A, 3 pole, 240/480/600VAC
- FD63B225 — 225A, 3 pole, 240/480/600VAC
- FD61B070 — 70A, 1 pole, 600V
- FD61B080 — 80A, 1 pole, 600V
- FD61B090 — 90A, 1 pole, 600V
- FD61B100 — 100A, 1 pole, 600V
- FD61B110 — 110A, 1 pole, 600V
- FD61B125 — 125A, 1 pole, 600V
- FD61B150 — 150A, 1 pole, 600V
- FD61B175 — 175A, 1 pole, 600V
- FD61B200 — 200A, 1 pole, 600V
- FD61B225 — 225A, 1 pole, 600V