Siemens PXD P-Frame Sentron Circuit Breakers
The Siemens PXD series is a P-Frame 1600A Sentron molded case circuit breaker with non-interchangeable trip unit, rated for 600V and 85kA interrupting capacity. UL listed for reverse-feed applications. Available in 3-pole from 600A to 1600A.
Series Specifications
| Frame | P-Frame 1600A Sentron — 1600A Frame |
|---|---|
| Amperage Range | 600A – 1600A |
| Voltage | 600VAC |
| Poles | 3-Pole |
| Interrupting Rating | 85kA @ 480V |
| Mounting | Bolt-On |
| Trip Type | Electronic Trip |
History and Replacement Context
The PXD series features a non-interchangeable (fixed) trip unit, making it UL listed for reverse-feed applications per UL 489. Designed for very large main breaker and feeder applications in major industrial facilities.
Typical Applications
- Very large commercial main breakers
- Industrial switchboard mains
- Large transformer feeders
- Service entrance equipment
- Reverse-feed applications