| Customization: | Available |
|---|---|
| Transport Package: | Fumigation Wooden Box |
| Trademark: | YQALT |
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ZW7-40.5 Outdoor High Voltage Vacuum Circuit Breaker
Product Overview:
The ZW7-40.5 outdoor high voltage vacuum circuit breaker is designed for use in AC three-phase power systems with a frequency of 50Hz and a voltage rating of 40.5kV. It is specifically engineered for the efficient breaking and closing of load currents, overload currents, and short-circuit currents within power distribution systems.
Key Features:
• High Performance: The ZW7-40.5 circuit breaker is capable of handling significant current fluctuations, ensuring stability and safety in high-voltage networks.
• Durable Design: Built to withstand outdoor environments, the circuit breaker is designed with materials and technologies that provide long-term reliability, even under harsh weather conditions.
• Advanced Arc Extinguishing: The vacuum interrupter technology used in this breaker provides superior arc extinguishing capabilities, enhancing safety and operational efficiency.
Application Areas:
This circuit breaker is ideal for installation in power distribution networks in industrial and utility settings, including substations and large-scale power systems, where reliable load management and fault protection are critical.
Installation and Maintenance:
The ZW7-40.5 is designed for easy installation and minimal maintenance, making it a cost-effective solution for high-voltage power systems. Its robust construction ensures a long service life with low maintenance requirements, even in challenging environmental conditions.
| Technical Specification | ||||
| Rated voltage | kV | 40.5 | ||
| Rated insulation level | Power frequency withstand voltage | Dry | 95 | |
| Wet | 80 | |||
| Lightning impulse withstand voltage (peak) | 185 | |||
| Rated current | A | 1250 1600 2000 | ||
| Rated short-circuit breaking current | kA | 20 25 31.5 | ||
| Rated operation sequence | 0-0.3s-C0-180s-C0 | |||
| Rated short circuit current breaking times | Times | ≥30 | ||
| Rated short circuit closing current (peak) | kA | 50 63 80 | ||
| Rated peak withstand current | ||||
| Rated short-time withstand current | kA | 20 25 31.5 | ||
| Rated short circuit continuous current | S | 4 | ||
| Average opening speed | m/s | 1.5±0.2 | ||
| Average closing speed | 0.7±0.2 | |||
| Contact closing bounce time | S | ≤2 | ||
| Three-phase combined (minute) gate synchronous time difference | ≤2 | |||
| Closing time | ≤150 | |||
| Opening time | ≤60 | |||
| Mechanical life | Times | 10000 | ||
| Rated operating voltage and auxiliary circuit rated voltage | V | DC220,110,24 | ||
| AC220,110,24 | ||||
| DC resistance per phase circuit (without transformer) | μΩ | ≤100 | ||
| Dynamic and static contacts allow wear thickness | mm | 3 | ||
| Weight | kg | 800 | ||
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