Simrad NAC-1 Autopilot Computer
The Simrad NAC-1 Autopilot Computer processes course commands for compatible Simrad steering systems. Acting as the control center for connected feedback and drive components, it helps coordinate rudder adjustments, reduce manual steering workload, and support consistent heading performance.
SIMRAD NAC-1 Autopilot Computer Specifications
| Drive Type | Low-Current Autopilot Computer |
| Pump/Ram Capacity | Optimized for Pump-1 / Helmdrive |
| Flow Rate / Speed | 8A Continuous / 16A Peak Output |
| Max Pressure | Standard Hydraulic System Support |
| Cylinder Compatibility | Outboards up to 30ft (Single Engine) |
| Operating Voltage | 12V DC System |
| Peak Current Draw | 16 Amps (Motor Drive Limit) |
| Average Power Draw | 130mA (Processor Standby) |
| Motor Type | Digital H-Bridge Drive |
| Computer Compatibility | Simrad / Lowrance / B&G Displays |
| Port Size / Thread | NMEA 2000 Micro-C Integrated |
| Drive Connection | Plug-and-Play Quick Connects |
| Rotation/Stroke Direction | Adaptive Software Reversing |
| Mounting Type | Bulkhead / Vertical Mount |
| Housing Material | Industrial High-Impact ABS |
| Waterproof Rating | IPX5 Splash Resistant |
| Operating Temperature | -25°C to +55°C Performance |
| Length (Overall) | 180 mm Compact Chassis |
| Width/Diameter | 170 mm Mounting Width |
| Weight | 0.5 kg (1.1 lbs) Lightweight |
| Included Accessories | N2K Network Cables, Power Cable |
| Key Mechanical Feature | Plug-and-Play for Small Boat Pilot Kits |
Common Question of Simrad NAC-1
What is the NAC-1 computer?
The Simrad NAC-1 is an autopilot computer for compatible lower-capacity steering systems. It processes steering commands from the control network and connected drive. Confirm drive capacity, feedback, heading source, network, power supply, software, and marine autopilot controller compatibility before installation.
What steering systems support NAC-1?
Compatible lower-capacity hydraulic, mechanical, or other supported steering systems may apply, depending on the installation. Verify drive type, cylinder volume, feedback, vessel size, network connections, battery, and Simrad documentation before purchase.
Does it control a windlass?
No. The NAC-1 manages autopilot steering and does not operate a gypsy, drum, chain, or anchor rope. It is not an anchor windlass component. Verify separate equipment for marine anchor retrieval.
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