Compact range of high frequency, on–line double conversion Uninterruptible Power Supplies with internal maintenance free VRLA batteries. Three phase input and output rated 10, 15, 20 and 30kVA with long run time batteries. Perfect for low cost, small footprint applications where space is at a premium. This product series can also be paralleled for redundancy or capacity expansion (up to 4 units). Available from stock today.