The GE SR-2 series control was designed to provide a series transistorized hydraulic control alternative for industrial, commercial and utility applications, from 48 to 72 volts. Use of discrete components provides design flexibility and results in a more cost effective motor control. These controls can be supplied with GE series motors to provide hydraulic systems optimized for a specific OEM vehicle platform. Package dimensions : 8.15'' L x 4.08'' W x 3.62'' H Available armature current : 350 - 400 amps at 48 - 72V (50% on-time) 300 amps at 72V (50% on-time) Operating frequency : 15 kHz