The MX60 raises the bar for high performance solar controllers. OutBack's ingenuity and engineering experience has been combined to maximize the output power of your expensive solar array. Their real time active Maximum Power Point Tracking (MPPT) system ensures that your solar array is operating at its peak power point regardless of age, shading or environmental conditions. Systems with large solar arrays are now a snap thanks to the MX60's 60 amp DC output current rating for 12, 24 or 48 VDC systems - all with just one product model!