Simrad NAC-D Autopilot Computer
SKU SIM-000-15621-001
- Function / steering type
- Digital (steer-by-wire) autopilot solution for Electronic Vessel Control Systems; supports automatic switching between two speed profiles; Continuum steering and SteadySteer feature
- Supported engine/steering integrations
- SeaStar Optimus, Yanmar VC10/JC10, Volvo IPS/EVC, and Yamaha helm master/single engine control systems
- Dimensions (W × H × D)
- 86.5 × 20.0 × 11.5 mm (3.4 × 0.8 × 0.45 in)
- Weight
- 0.1 kg (0.2 lb)
- Power consumption
- 40 mA maximum; 40 mA typical
- Supply voltage
- 9–16 V via CAN
- Environmental ratings
- Operating temperature 0°C to +55°C (+32°F to +131°F); storage temperature −30°C to +70°C (−22°F to +131°F); IP44
- Connectivity
- NMEA 2000 / CAN bus compatible; inline mounting with cable
Stocked items typically ship the next business day from our US warehouse. 30-day returns on unused stocked items. Exclusions apply. Return policy · Shipping policy
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About this product
NAC-D is a digital steering autopilot solution for Electronic Vessel Control Systems with digital steering interfaces, providing automatic switching between two speed profiles.
- Steer-by-wire solution for Electronic Vessel Control Systems
- Automatic switching between low- and high-speed steering profiles
- Continuum steering technology
- SteadySteer feature
- Compatible with SeaStar Optimus, Yanmar VC10/JC10, Volvo IPS/EVC, and Yamaha helm-master systems
Manufacturer part number: 000-15621-001.
Verified product information
- Function / steering type
- Digital (steer-by-wire) autopilot solution for Electronic Vessel Control Systems; supports automatic switching between two speed profiles; Continuum steering and SteadySteer feature
- Supported engine/steering integrations
- SeaStar Optimus, Yanmar VC10/JC10, Volvo IPS/EVC, and Yamaha helm master/single engine control systems
- Dimensions (W × H × D)
- 86.5 × 20.0 × 11.5 mm (3.4 × 0.8 × 0.45 in)
- Weight
- 0.1 kg (0.2 lb)
- Power consumption
- 40 mA maximum; 40 mA typical
- Supply voltage
- 9–16 V via CAN
- Environmental ratings
- Operating temperature 0°C to +55°C (+32°F to +131°F); storage temperature −30°C to +70°C (−22°F to +131°F); IP44
- Connectivity
- NMEA 2000 / CAN bus compatible; inline mounting with cable
Product details
- Weight Raw
- 0.1 kg (0.2 lb)
- Mounting Type
- inline with cable
- Compass Safe Distance
- 0.5 m (19.7 in)
Shipping & returns
- Stocked items typically ship the next business day from our US warehouse.
- 30-day returns on unused stocked items. Exclusions apply. See policy
- Custom and quoted items are non-returnable once production begins.
Warranty
Backed by the original manufacturer’s warranty plus our workmanship guarantee on assembled harnesses. Contact us with your invoice and we’ll coordinate any covered repair or replacement.
Read the full warranty termsTechnical support
Need help choosing the right part?
Our marine electrical team can review your setup and recommend compatible products. Send a photo, a sketch, or your circuit list and we'll come back with a parts list that fits the boat.
Certifications & training
- ABYC-aware build practices
- OEM-grade marine wire & terminals
Additional capabilities are based on hands-on experience building marine wiring systems rather than third-party certification.
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Why buy from Common Ground Marine
- 20+ years building marine wiring harnesses, panels, and shore-power systems.
- Engineers — not a phone tree — review every custom build before parts are cut.
- OEM-grade components: tinned copper, sealed connectors, marine-rated jackets.