Keor DK strengthens Legrand’s high-efficiency UPS offering Legrand SA’s next-generation Keor DK single-phase Uninterruptible Power Supply (UPS) has been designed to deliver high levels of power continuity, efficiency and operational flexibility in commercial, technical and infrastructure installations, where consistent power quality is essential. The Keor DK range, with ratings from 1 kVA to 20 kVA, ...