Description Simrad AutoPilot NAC-3 Core Pack Pilot, NAC-3 Core Pack, w/ Feedback Model: SIM-000-13336-001 NAC-2 Autopilot Power Supply: 9-31.2 V DC Operating temperature: -25°C to 55°C (13°F to 131°F) Load: 140 mA Drive Unit Load Certified NMEA 2000 Connectivity Precision-9 Compass IPX5 Waterproof Simrad NAC-3 Autopilot Core Pack with Rudder Feedback Includes NAC-3 Processor, Precision 9 Compass, and RF25 Feedback The NAC-3 Autopilot Computer is the brains behind your autopilot system. NAC-3 contains the control algorithms developed to helm a yacht across a broad range of weather conditions and sea-states, alongside the electronics needed to operate a hydraulic or mechanical drive unit, while also interfacing with other components including heading sensors and rudder feedback units. The NAC-3 was designed for boats 10 meters (33 feet) or greater in length and is rated to operate high-current hydraulic drives, mechanical drive units, and solenoid valves with a current rating of 30 Amps continuous (50 Amps peak).