Toshiba VJB Series Medium Voltage Vacuum Circuit Breakers
The Toshiba VJB Series vacuum circuit breakers are designed for high-frequency switching operations such as arc furnaces. Built on decades of proven technology, these breakers deliver superior reliability, compact design, and extended service life while ensuring safety and easy maintenance.
Key Points
- Extended Service Life: Rated for up to 150,000 switching operations, providing unmatched durability in demanding applications
- High Reliability: Manufactured under integrated quality control with vacuum interrupters produced in cleanroom environments
- Easy Maintenance: Simplified structure and adapter connections allow facilitated inspection and replacement
- Compact & Lightweight: Smaller and lighter than conventional breakers, requiring less installation space
- Safety & Low Noise: Vacuum arc quenching eliminates fire hazards and significantly reduces operating noise
- Versatile Ratings: Available in 24kV and 36kV options, supporting currents up to 2000A and interrupting capacities up to 830 MVA