Outdoor Vacuum Circuit Breaker for Harsh Environments
The Outdoor Vacuum Circuit Breaker is engineered for medium-voltage power networks in substations, rural areas, and renewables. It ensures rapid arc quenching and reliable disconnection during faults.
Built with vacuum interrupters and weatherproof enclosures, this VCB withstands dust, humidity, and salt fog. It's available up to 40.5kV with optional CT/PT, surge arresters, and auto-recloser functions.
Compliant with IEC 62271-100 and GB 1984, it's ideal for smart grid integration and long-term outdoor service with minimal maintenance.
Frequently Asked Questions
❓ What is the purpose of an outdoor vacuum circuit breaker?
It interrupts fault currents in medium-voltage outdoor systems while withstanding harsh weather and ensuring safe grid operation.
⚡ What voltage ratings are available?
Our models cover 12kV, 24kV, 33kV, and 40.5kV, with short-circuit breaking capacities up to 31.5kA.
🔁 Is it suitable for automatic recloser applications?
Yes. Many units include auto-reclose controllers for distribution automation and smart grid compatibility.
🌊 Can it operate in coastal or polluted zones?
Absolutely. The epoxy or silicone rubber insulation ensures excellent tracking resistance in salt, fog, or dust-prone areas.
📏 What standards does it comply with?
All models comply with IEC 62271-100 and GB 1984, and include type test reports from accredited labs.