The QIHANG Three Phase Three Position Vacuum Circuit Breaker is designed for reliable protection and switching in medium-voltage power distribution systems. Featuring a three-position design (ON / OFF / EARTH), it ensures safe operation and enhanced isolation performance for substations, switchgear, and power distribution networks.
This circuit breaker adopts 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, cables, and electrical equipment from fault damage.
With a robust structure and stable mechanical performance, the breaker is suitable for integration into medium-voltage switchgear systems. It is widely used in industrial power systems, utility substations, and smart grid applications requiring safe and reliable switching solutions.
Key Features
• Three-phase three-position design (ON / OFF / EARTH)
• Vacuum arc extinguishing technology
• Reliable overload and short-circuit protection
• High breaking capacity up to 50kA
• Durable construction with long service life
• Safe isolation and switching performance
• Suitable for medium-voltage switchgear systems
• Supports OEM / ODM customization
Typical Applications
• Medium-voltage switchgear panels
• Utility substations and distribution systems
• Industrial power distribution networks
• Transformer and feeder protection
• Smart grid and electrical infrastructure projects
Key Attributes
| Breaking Capacity | 50kA | Phase | Three phase |
| Rated Frequency | 50/60Hz | Frequency | 50/60Hz |
| Model Number | VZD-12GD/630A | Place of Origin | Zhejiang, China |
| Brand Name | QIHANG |
Packaging and Delivery
| Selling Units | Single item | Single package size | 70X72X80 cm |
| Single gross weight | 75.000 kg |
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