The QIHANG ZW20-12F 630A Outdoor Vacuum Circuit Breaker is designed for reliable protection and control in medium-voltage power distribution systems. Rated for 12kV applications, it is widely used in outdoor distribution networks, substations, and overhead line systems to ensure safe and stable power operation.
This vacuum circuit breaker utilizes advanced vacuum arc extinguishing technology, providing excellent interrupting performance, long electrical life, and minimal maintenance requirements. It delivers dependable overload and short-circuit protection, helping safeguard transformers, power lines, and electrical equipment from fault damage.
With a rugged outdoor structure and stable mechanical performance, the ZW20-12F is built to operate in harsh environmental conditions such as humidity, dust, and temperature variations. It is an ideal solution for utility distribution systems, smart grid projects, and industrial power networks requiring reliable switching and protection.
Key Features
• Model: ZW20-12F
• Rated voltage: 12kV
• Rated current: 630A
• Vacuum arc extinguishing technology
• Reliable overload and short-circuit protection
• Durable outdoor construction
• Long service life with low maintenance
• Stable performance in harsh environments
Typical Applications
• 10–12kV medium-voltage distribution networks
• Outdoor pole-mounted switchgear
• Utility substations and overhead line systems
• Industrial power distribution systems
• Smart grid and distribution automation projects
Key Attributes
| Breaking Capacity | 20 kA | Phase | Three phase |
| Rated Frequency | 50/60 Hz | Frequency | 50/60 Hz |
| Model Number | ZW20-12F | Place of Origin | Guangdong, China |
| Brand Name | QIHANG |
Packaging and Delivery
| Selling Units | Single item |
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