Eaton PDH P-Frame Series C Circuit Breakers
The Eaton PDH series is a P-Frame Series C molded case circuit breaker rated 300A–1200A at 600VAC with 65kA interrupting capacity. PDH breakers feature electronic trip units for precise overcurrent protection in large commercial and industrial distribution systems.
Series Specifications
| Frame | P-Frame 1200A Series C — 1200A Frame |
|---|---|
| Amperage Range | 300A – 1200A |
| Voltage | 600VAC |
| Poles | 3-Pole |
| Interrupting Rating | 65kA @ 480V |
| Mounting | Bolt-On |
| Trip Type | Electronic Trip |
History and Replacement Context
The P-Frame Series C was developed by Cutler-Hammer (now Eaton) for large commercial and industrial power distribution applications. PDH breakers replaced the older PD series and provide improved electronic trip functionality with LSIG protection.
Typical Applications
- Large commercial main breakers
- Industrial feeder protection
- Switchboard applications
- Motor control center mains
- Large transformer feeders