MAST medium voltage dual power transfer system, an all-in-one design with VB2 Plus vacuum circuit breakers, separate mains, emergency, and feeder circuits, and a 2AE microprocessor controller. Full circuit breaker control, protection and monitoring functions are achieved through a single unit, highly innovative in design and at the forefront of industry in modularity, safety, reliability and sustainability. Products in line with GB/T3906&GB/T7261 national standards, in the National Electrical Products Supervision and Inspection Center certification. The series provides cost-effective solutions for the public power distribution, industrial and building sectors.
• 12kV 1250A/2000A 31.5 kA/40 kA
• Isolation unit is set in the feed out loop
• Switch analog/digital schematic display
• Double interlock configuration between each unit/emergency manual switch
• ESD emergency power storage device, in case of secondary power loss can maintain the secondary power supply
• Automatic, manual electric, manual mechanical three operation modes
• Automatic step-by-step switching function
•Internal burning arc 40kA/1s