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Modern distribution systems require more than traditional fault interruption. Utilities increasingly rely on intelligent switching equipment that can automatically detect faults, isolate damaged sections, and restore power without manual intervention. The Vacuum Recloser Circuit Breaker combines vacuum interruption technology with advanced control intelligence to provide fast fault clearing and automatic reclosing functions for medium-voltage distribution networks. Designed for overhead feeders, renewable energy collection systems, and smart grid applications, this equipment improves network reliability by reducing outage duration and minimizing unnecessary service interruptions. Unlike conventional circuit breakers that require external protection coordination, the integrated controller of a vacuum recloser continuously evaluates system conditions and automatically executes predefined protection sequences. Available for 12kV, 24kV, and 33kV distribution systems, the solution is widely applied in utility networks, industrial power distribution, and remote rural electrification projects where reliable unattended operation is essential.
The Vacuum Recloser Circuit Breaker uses a sealed vacuum interrupter as the primary arc extinguishing element, eliminating the need for oil maintenance and reducing environmental risks. During a fault event, the intelligent control module immediately analyzes current and voltage signals, triggers circuit interruption, and initiates programmed reclosing cycles when the fault is temporary. The built-in electronic controller supports multiple protection functions including phase overcurrent, earth fault protection, sensitive earth fault detection, and automatic reclosing logic. Communication interfaces such as IEC 61850, DNP3, and Modbus allow seamless integration with SCADA platforms, enabling remote operation, condition monitoring, and distribution automation. With a compact pole-mounted structure, corrosion-resistant enclosure, and wide temperature operating capability, the equipment delivers dependable performance in coastal, desert, mountainous, and industrial environments.
| Parameter | Specification |
|---|---|
| Rated Voltage | 12kV / 24kV / 33kV |
| Rated Frequency | 50Hz / 60Hz |
| Rated Current | 630A / 1250A / 2000A |
| Rated Short-Circuit Breaking Current | 20kA / 25kA / 31.5kA |
| Rated Short-Time Withstand Current | 20kA / 25kA for 3 seconds |
| Rated Peak Withstand Current | 50kA / 63kA |
| Power Frequency Withstand Voltage | 42kV / 65kV / 70kV (depending on voltage class) |
| Lightning Impulse Withstand Voltage | 75kV / 125kV / 170kV |
| Automatic Reclosing Operation | 1–4 programmable reclosing shots |
| Mechanical Endurance | ≥10,000 operations |
| Electrical Endurance | 30–50 fault interruption operations |
| Operating Temperature | -40°C to +70°C |
| Control Voltage | 24V DC / 48V DC / 110V DC / 220V DC |
| Communication Interface | IEC 61850 / DNP3 / Modbus |
| Protection Degree | IP54 / IP65 optional |
| Applicable Standards | IEC 62271-111 / IEEE C37.60 |
The main advantage of a Vacuum Recloser Circuit Breaker is its ability to transform conventional distribution lines into intelligent self-healing networks. Temporary faults caused by lightning, vegetation contact, or weather conditions can often be cleared automatically without dispatching maintenance crews. By reducing unnecessary outages and improving fault restoration speed, the system helps utilities achieve better reliability indicators including SAIDI and SAIFI performance. The combination of vacuum switching technology, intelligent protection control, and remote communication capability makes it an ideal choice for upgrading aging distribution infrastructure.
As a professional medium-voltage switching equipment manufacturer, we provide complete solutions including product customization, technical support, factory testing, and project cooperation. Each unit is tested according to international standards, including insulation withstand testing, mechanical endurance testing, protection function verification, and communication performance inspection. With proven field reliability and flexible configuration options, our Vacuum Recloser Circuit Breaker supports utilities and EPC contractors in building safer, smarter, and more efficient distribution networks.
