DMX Power Catalog MPXS Extension Kits Accessory Extend Panel System capacity with one or two extension kits (depending on Panel System). Kits include a DC and AC breaker, wires, and inverter hood. Models & Specifications Full specifications for every model. Model Warranty MPXS250-30D-L MPXS175-30D-L MPXS250-30D-R MPXS175-30D-R