ZW32-24F Outdoor Pole-Mounted High Voltage Vacuum Circuit Breaker
Description
The ZW32-24F Series Outdoor Pole-Mounted High Voltage Vacuum Circuit Breaker is a robust and reliable protection device designed for power distribution systems. Operating at a rated voltage of 24kV, this circuit breaker is ideal for medium- and high-voltage applications, offering exceptional protection against overload and short-circuit currents. This outdoor circuit breaker is primarily used for load switching and fault isolation in power distribution networks. It features vacuum interrupter technology, ensuring minimal maintenance and long operational life due to its excellent arc-quenching capabilities. Additionally, the pole-mounted design allows for easy installation in outdoor environments, making it suitable for both rural and urban power distribution systems.
Key Features:
• Rated Voltage: 24kV
• Reliable Operation: Suitable for load switching and fault isolation in medium- and high-voltage power distribution systems.
• Vacuum Interrupter Technology: Ensures minimal maintenance and prolonged service life.
• Outdoor Design: Pole-mounted structure for easy installation in various outdoor environments.
• Low Maintenance: Vacuum technology significantly reduces wear and tear on components, leading to low-cost operation and maintenance. Standards Compliance: The ZW32-24F Series Vacuum Circuit Breaker complies with national and international standards, ensuring high-quality performance and reliability in diverse operational conditions.
Technical Data
| 1 | Rated voltage | KV | 24 | |
| 2 | Rated insulation level | 1 min withstand voltage (Dry) | 65/65 | |
| 1 min withstand voltage (Wet) | 50 | |||
| Lightning impulse withstand voltage (peak) | 125/145 | |||
| 3 | Rated frequency | HZ | 50 | |
| 4 | Rated current | A | 630, 1250,1600 | |
| 5 | Rated short circuit breaking current | kA | 20, 25, 31.5 | |
| 6 | Rated short circuit making current (peak) | kA | 50, 63, 80 | |
| 7 | Rated short time withstand current | kA | 20, 25, 31.5 | |
| 8 | Duration rated short circuit current | S | 4 | |
| 9 | Nos of breaking rated short circuit breaking current | Times | 30 | |
| 10 | Fixed operation sequence | off-0.3S-on/off-180S on/off | ||
| 10 | Opening time | ms | 18-45 | |
| 11 | Closing time | 25-60 | ||
| 12 | 1min secondary circuit power frequency withstand voltage | V | 2000 | |
| 13 | Polar distance | mm | 395±2 | |
| 14 | Mechanical life | Times | 10,000 | |
| 13 | Rated operating voltage and rated voltage of auxiliary loop | V | AC/DC220, 110; DC24 | |
| 16 | Contact open distance | mm | 12 ±1 | |
| 17 | Contact Over-travel | mm | 3±1 | |
| 18 | Average opening speed | m/s | 1.1±1.7 | |
| 19 | Average closing speed | m/s | 0.5-1.0 | |
| 20 | Three phase simultaneity | ms | ≤2 | |
| 21 | Contact closing bounce time | ms | ≤2 | |
| 22 | Main circuit DC resistance per phases | μΩ | ≤100 | |
Outline & Mounting Dimensions














