ZW43-12 Outdoor Installed High Voltage Vacuum Circuit Breaker from China's Jinhand Electrical is a compact, upgraded version of the ZW32, designed for 12kV/50Hz three-phase systems. As a reliable manufacturer and supplier, our factory-direct breaker ensures reliable switching and interruption of load, overload, and short-circuit currents in urban and rural distribution networks.
1.Compact Design: The ZW43-12 is a more compact version of the ZW32 circuit breaker, making it easier to install and integrate into limited spaces.
2.Reliable Protection: Provides effective switching and interruption of load currents, overloads, and short-circuit currents, ensuring system safety.
3.Versatile Application: Suitable for both urban and rural power distribution systems, enhancing its usability across different environments.
| Project | Unit | Parameter | ||
| ZW43-12/630-16 | ZW43-12/630-20 | |||
| Rated Voltage | kV | 12 | ||
| Rated Current | A | 630 | ||
| Rated Short-Circuit Breaking Current | kA | 16 | 20 | |
| Rated Short-Circuit Making Current(Peak) | 40 | 50 | ||
| Rated Peak Withstand Current | 40 | 50 | ||
| Rated Short-Time Withstand Current | 16 | 20 | ||
| Rated Short-Circuit Duration | S | 4 | ||
| Rated Insulation Level | Lightning Impulse Withstand Voltage (Peak) | kV | Phase-to-phase,phase-to-ground:75,interrupter:85. | |
| 1min Power Frequency Withstand Voltage | Phase-to-phase,phase-to-ground:42,interrupter:48 | |||
| Rated Operating Sequence |
|
Open-0.3s-Close/Open-180s- Close/Open(Electric Operating Mechanism) | ||
| Rated Short-Circuit Current Breaking Operations | Times | 30 | ||
| Mechanical Life | 10000 | |||
| Rated Operating Voltage (Opening/Closing Coil) | V | DC220,110,AC220 | ||
| Permissible Cumulative Wear Thickness of Moving and Fixed Contacts | mm | 3 | ||
| Overcurrent Release Rated Current | A | 5 | ||
| Current Transformer Ratio |
|
200/5400/5630/5 | ||
| Contact Gap | mm | 9±1 | ||
| Contact Overtravel | 2.0s | |||
| Average Opening Speed | m/s | 1.2±0.2 | ||
| Average Closing Speed | 0.6±0.2 | |||
| Opening Time | ms | 15~50 | ||
| Closing Time | 25~80 | |||
| Closing Bounce Time | ≤2 | |||
| Three-Phase Opening/Closing Synchronization | ≤2 | |||
| DC Resistance per Phase Circuit | μΩ | ≤80 | ||
| Energy Storage Motor | Rated Voltage | V | DC/AC 220 | |
| Rated Power | W | 70 | ||
| Energy Storage Time | S | ≤8 | ||
| Weight | kg | 90 | ||
1.Rated Specifications: Designed for three-phase AC systems with a frequency of 50Hz and a rated voltage of 12kV, ensuring compatibility with standard electrical networks.
2.High Voltage Capability: Specifically engineered for high-voltage applications, delivering robust performance in outdoor settings.
3.Vacuum Technology: Utilizes vacuum interruption technology, which enhances reliability and reduces maintenance needs compared to traditional circuit breakers.
1.Compact Upgraded Design: Based on the ZW32 series, further optimized in size and weight, suitable for outdoor installations in space-limited environments such as urban distribution networks and compact substations.
2.Integrated Intelligent Protection: Optional smart controller supports overcurrent, quick-break, and reclosing functions, enabling automated protection and remote monitoring.
3.Strong Environmental Adaptability: Suitable for various scenarios including urban and rural power grids, industrial and mining facilities, and renewable energy power stations, especially in frequently operated applications.
4.Safe and Reliable: Utilizes vacuum arc-extinguishing technology with strong breaking capacity, low switching overvoltage, and no risk of fire or explosion.
1.Long Service Life Design: Mechanical life of 10,000 operations, electrical life meets 30 rated short-circuit breaking operations, significantly reducing replacement frequency.
2.Maintenance-Free Interrupter: Fully sealed vacuum interrupter requires no inspection or medium replacement, lowering maintenance workload and costs.
3.Modular Accessories: Current transformers and operating mechanisms feature modular design, allowing quick replacement in case of failure and minimizing outage time.
4.Low Energy Consumption Operation: Storage motor power is only 70W, energy-efficient and compatible with various power sources (AC/DC).
1.Three-Pole Common Enclosure Compact Layout: Compared to split-type structures, installation is simpler and requires less space.
2.Motor-Spring Operating Mechanism: Integrated design supports both electric and manual operation, energy storage time ≤8 seconds, quick response.
3.Smart Communication Interface: Optional RS485/fiber optic communication, supports protocols such as IEC 61850 and DNP3.0, facilitating integration into distribution automation systems.
4.User-Friendly Debugging Interface: Equipped with local LCD display and keypad for parameter setting, event logging, and fault querying.
1.What system voltage is it suitable for?
Rated voltage 12 kV, suitable for 10 kV distribution systems.
2.Does it support manual operation?
Supports both electric and manual operation, with manual function available for emergency or debugging purposes.
3.Can it be used in frequently operated applications?
Mechanical life of 10,000 operations makes it suitable for medium-frequency distribution line operations.
4.Does it have anti-pumping functionality?
The controller includes an anti-pumping circuit to prevent multiple reclosures on faulty lines.
5.What installation methods are available?
Supports pole mounting, platform mounting, or integration into switchgear.
1.Technical Support: Free selection guidance, drawing design, and installation/commissioning instructions.
2.Training Services: On-site or online product operation and maintenance training available.
3.Rapid Response Mechanism: 24/7 service hotline, remote diagnostics, and on-site emergency repair support.
Through ten-plus years of focused growth, Jinhand ranks among China’s leading manufacturers and suppliers of electrical equipment. Our factory has adopted various advanced technologies and facilities, and we invite you to purchase our high-quality, cost-effective products manufactured in China.
Address
No. 188, Wei 15th Road, Yueqing City, Wenzhou City, Zhejiang Province, China
