The Raymarine (E12172) Constant Running Variable Pump 24V 3-4.5L (Use w/ACU-300) connects your Raymarine Evolution Autopilot system to your hydraulic steering system. To determine the right unit for your vessel, you need to know the size in cc of the hydraulic cylinder rams mounted to the rudder on inboard engine boats or the drive unit on outboard engine boats. Check your steering system documentation to be sure.
Ram Capacity: 500cc – 1200cc (30.5in^3 – 73in^3)
Maximum Stall Pressure at 12V: 57bar (827psi)
Peak Flow Rate (No Load): 4500cc/min (274.6in^3/min)
ACU Used: ACU-300
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Raymarine Constant running variable Pump 24v 3-4.5L use w/ ACU-300