Common Ground MarineCommon Ground Marine
    Controllers & Accessories
    Simrad NAC-3 High Current Course Computer — 000-13250-001, view 1
    Simrad

    Simrad NAC-3 High Current Course Computer

    SKU SIM-000-13250-001

    Our Price$1,699.00
    Low stock · 1 left
    Recommended vessel size
    Above 10 m (35 ft) / ten metres or greater
    Drive output
    12/24 VDC; reversible motor control 30 A, 50 A peak (1 second); solenoid control 10 A (minimum 10 mA)
    Drive compatibility
    High-current pumps including RPU160/RPU300, mechanical DD15, hydraulic linear HLD2000 series and solenoid valves
    Feedback support
    VRF; RF25; RF300 variable-frequency rudder feedback
    Dimensions / weight
    204 x 190 x 57 mm; 0.7 kg
    Environmental rating
    IPx2; operating -15 to +55 C; storage -30 to +70 C
    Networking
    NMEA 2000 and NMEA 0183 input

    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

    The NAC-3 is the central computer for a Simrad autopilot system, designed for boats above 10 metres and high-current drive systems.

    • High-current output for RPU160/RPU300 pumps, DD15 mechanical drive, HLD2000 hydraulic linear drives, and solenoid valves
    • Virtual Rudder Feedback can eliminate a separate rudder feedback unit on suitable outboard/sterndrive boats
    • NMEA 2000 and NMEA 0183 connectivity
    • Continuum Steering technology
    • Supports RF25 and RF300 rudder feedback units

    Manufacturer part number: 000-13250-001.

    Verified product information

    Recommended vessel size
    Above 10 m (35 ft) / ten metres or greater
    Drive output
    12/24 VDC; reversible motor control 30 A, 50 A peak (1 second); solenoid control 10 A (minimum 10 mA)
    Drive compatibility
    High-current pumps including RPU160/RPU300, mechanical DD15, hydraulic linear HLD2000 series and solenoid valves
    Feedback support
    VRF; RF25; RF300 variable-frequency rudder feedback
    Dimensions / weight
    204 x 190 x 57 mm; 0.7 kg
    Environmental rating
    IPx2; operating -15 to +55 C; storage -30 to +70 C
    Networking
    NMEA 2000 and NMEA 0183 input

    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 terms

    Technical 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.

    Ask a specialist

    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.

    Share your project

    Have you used this product in a project? Send us photos of your install for consideration in our project gallery.

    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.