OFB-30-LH Low Height Feeder The OFB-30-LH is specifically designed to access locations with minimal height and is approximately 375mm lower in height then all other OFB-30 mobile models. At a total height of 1700mm it is one of the lowest Feeder Breakers on the market today. OFB-30-LH Size and Performance: OFB-30-LH Gallery: Back