DR Series The DR Power Panel system comes ready for installation, pre-wired with the following. DR Series modified sinewave AC power inverter with high efficiency operation, includes:    -30 amp AC pass-thru power at 120 VAC (/S = Single system) or 120/240 VAC (/D = Dual system)     -Adjustable three stage, temperature compensated battery charging 175 or 250 amp DC disconnect breaker * Battery Temperature Sensor * 60 amp AC disconnect/bypass breaker in box * Inverter Conduit Box * AC and DC wiring in conduit (battery cables not included) * Negative / Ground Bonding Block Powder coated steel back-plate (40" H x 43" W x 1" D) 500 amp/50 mV shunt (for remote metering)  *< size=-2>These items are doubled on /D (Dual = two inverters) systems