Click to expand Tap to zoom OSO Maxi Xpress Commercial Buffer with Electirc back-up 3 x 9kw 3-ph (adj to 1-ph 6 or 3kw) 11010542 - ELKIT9 by OSO SKU 11010542 3 x 9kw 3-ph (adj to 1-ph 6 or 3kw) Accessories