specifications for the Westinghouse 50VCP-W250 2000A vacuum circuit breaker are detailed below. This model is designed for higher continuous current than the 1200A version while maintaining standard 5kV voltage ratings.
Main Nameplate Ratings
| Category | Rating | Value |
|---|---|---|
| Voltage | Rated Max Voltage (\(E\)) | 4.76 kV |
| Impulse Withstand Voltage (BIL) | 60 kV Peak | |
| Power Frequency Withstand | 19 kV | |
| Current | Rated Continuous Current | 2000 Amps |
| Rated S-C Current (\(I\)) | 29 kA | |
| Close & Latch (C&L) Current | 58 kA Peak | |
| V Range Factor (\(K\)) | 1.24 | |
| Operational | Rated Frequency | 60 Hz |
| Rated Interrupting Time | 5 Cycles |
Control & Auxiliary Specifications
These parameters define the electrical requirements for the internal mechanism to charge, close, and trip the breaker.
- Charging Motor: Typically 125 Vac/dc, drawing approximately 6.6 A.
- Closing Circuit: Operates between 100–140 Vdc.
- Tripping Circuit: Operates between 70–140 Vdc.
- Vacuum Bottles: Often utilizes Westinghouse WL34603B or WL34603A interrupters.
- Wiring Diagram: Standard configuration is often 691C388H04. [1, 2]
Physical & Environmental
- Dimensions: Approximately 29.4" H x 29.6" W x 29.8" D.
- Weight: Estimated around 350–500 lbs (varies slightly by specific style/configuration).
- Operating Temp: Rated for \(-15^{\circ }\text{C}\) to \(40^{\circ }\text{C}\).
