Product Description
Easy Installation
Plug-and-play connectors facilitate easy installation, minimising the wiring necessary to install your autopilot system. Industry-standard NMEA 2000® networking offers simple connectivity to heading sensors, rudder feedback units, and multifunction displays located anywhere on board.
Hydraulic and Cable Steer Options
The NAC-1 Autopilot Computer is recommended for boats up to 9 metres (30 feet) in length. It been designed to reliably drive either the Simrad PUMP-1 reversible hydraulic pump for hydraulic-steered outboards, or the HELM-1 drive unit for cable-steered vessels.
Virtual Rudder Feedback
Simrad Virtual Rudder Feedback technology eliminates the need to install a separate rudder feedback unit aboard outboard and sterndrive (inboard/outboard) boats with planing hulls. This reduces overall autopilot system cost and complexity, and is ideal where a feedback unit is impractical due to mechanical constraints.
Product Details
- Reliable autopilot performance based on Continuum Steering technology.
- Recommended for boats up to 9 metres (30 feet) in length.
- Compatible with the Simrad PUMP-1 reversible hydraulic pump and HELM-1 cable steer drive unit.
- Virtual rudder feedback for simplified installation aboard outboard and sterndrive boats.
- Supports Simrad RF25 rudder feedback units.
- Plug-and-play connectors for easy installation.
- NMEA 2000® connectivity to heading sensors, rudder feedbacks, and multifunction displays.

Product Specifications
Autopilot
Compass sensor support | NMEA2000 |
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Max Stroke | n/a |
Drive output | 12VDC, Rev. Motor control 8A, 16A peak (1sec.) |
Engine Drive systems integration | Reversible pump/Helm Drive |
Manouevres / Turn Patterns | n/a |
Rudder sensor support | VRF, 0-5V, RF25 |
Steering Modes | n/a |
Connectivity
NMEA 0183 Sentences supported | n/a |
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Bluetooth | n/a |
NMEA 0183 | n/a |
NMEA 2000 | 1x CAN Micro-C port, 3 LEN |
PC Connectivity | n/a |
WiFi | n/a |
Display
Backlight Color | n/a |
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Resolution | n/a |
Size and Type | n/a |
Viewing Angles | n/a |
Electrical
Power Consumption, max. | 140mA + Drive unit load |
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Power Consumption, typical | 140mA + Drive unit load |
Recommended Fuse Rating | 20A |
Supply Voltage | 9-16VDC |
Environment
Operating Temperature Range | -25C to +55C (-13F to +131F) |
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Storage Temperature Range | -30C to +70C (-22F to +158F) |
Waterproof rating | IPx5 |
MFD
Compass Safe Distance – Metric, imperial | 0,5m (19,7″) |
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Physical
Dimensions (W x H x D) | 204 x 190 x 57mm (8,03 x 7,5 x 2,24″) |
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Mounting Type | Bulkhead |
Weight | 0,6kg (1,3 lbs) |
Other
Warranty Period | 2 years |
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Interface | n/a |
Languages | n/a |

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