Simrad NAC-3 Black Box

Simrad NAC-3 Black Box is an advanced autopilot computer designed for yachts and boats over 10 m in length. Equipped with powerful Continuum Steering algorithms, it enables smooth and precise control of both hydraulic and mechanical systems. The compact, waterproof IPX7 enclosure allows installation in various conditions, and full integration with NMEA 2000 and NMEA 0183 networks ensures seamless cooperation with multifunction displays, sonars, radars, and external autopilots.

Technical data:

Power supply: 12–24 V DC (range 9–31.2 V)

Control output: 30 A continuous current (50 A peak)

Supported drives: hydraulic pumps RPU160/RPU300, mechanical drives DD15, solenoid valves

Control algorithms: Continuum Steering with automatic parameter tuning

Communication interfaces: NMEA 2000 (Micro-C), NMEA 0183, optionally Ethernet RJ45

Water resistance: IPX7

Operating temperature: –15 °C … +55 °C

Dimensions: 200 × 150 × 60 mm (approximate)

Weight: approx. 1.2 kg

Package contents:

• NAC-3 Black Box autopilot computer
• Micro-C connector for NMEA 2000 network
• Mounting bracket and seals
• Technical documentation