Simrad NAC-3 High Current Course Computer
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Simrad NAC-3 High Current Course Computer Product Description
Simrad NAC-3 High Current Autopilot Computer - Professional Marine Navigation System
Experience precision autopilot control with the Simrad NAC-3 High Current Course Computer, the professional-grade brain of your vessel's autopilot system. Engineered for boats 10 meters (35 feet) and above, this advanced autopilot computer delivers exceptional steering performance using proven Continuum technology, ensuring reliable navigation in challenging conditions.
High-Performance Autopilot Brain for Larger Vessels
The NAC-3 stands as the central processing unit of your autopilot system, containing sophisticated control algorithms developed to helm yachts across diverse weather conditions and sea states. With its robust 30-amp continuous output (50-amp peak), this course computer powers high-current hydraulic drives, mechanical steering systems, and solenoid valves with unwavering reliability.
Advanced Virtual Rudder Feedback Technology
Revolutionary Simrad Virtual Rudder Feedback (VRF) technology eliminates the complexity of installing separate rudder feedback units on outboard and sterndrive vessels with planing hulls. This innovation reduces system cost and installation complexity while maintaining precise steering control. For vessels requiring physical feedback sensors, the NAC-3 supports both NMEA 2000 connected RF25 units and variable frequency RF300 sensors.
Key Technical Specifications
- Current Output: 30 Amps continuous, 50 Amps peak capacity
- Clutch Output: 3 Amps maximum for bypass control
- Power Supply: 12/24V DC (+10-30% tolerance)
- Waterproof Rating: IPX7 protection
- Vessel Compatibility: Boats 10 meters (35 feet) and larger
- NMEA LEN: 1 unit load
Professional Features and Benefits
- Continuum Steering Technology: Proven algorithms for smooth, responsive autopilot performance
- High-Current Capability: Powers Simrad RPU160, RPU300 pumps, DD15 mechanical drives, and HLD2000 series hydraulic units
- B&G Reflex Integration: Advanced sailing algorithms for racing and cruising performance
- Solenoid Valve Control: Direct operation of steering solenoids for larger vessel applications
- External Mode Input: Remote system selection and control capability
- Alarm Output: External buzzer/relay connection for safety alerts
Comprehensive Connectivity Options
Industry-standard networking ensures seamless integration with your marine electronics suite:
- NMEA 2000 Interface: Single connection for heading sensors, displays, and controllers
- NMEA 0183 Support: One input, one output for legacy equipment compatibility
- NFU Remote Connection: Port/starboard input and mode indicator output
- Rudder Feedback Options: Frequency input (1.4-5kHz) or NMEA 2000 digital feedback
Complete Installation Package
Your NAC-3 autopilot computer includes everything needed for professional installation:
- NAC-3 Autopilot Computer Unit
- N2KEXT-2RD 0.61m (2-ft) NMEA 2000 Extension Cable
- N2K-T-RD NMEA 2000 T-Connector
- Comprehensive installation documentation
- Professional 2-year limited warranty
Frequently Asked Questions
What size vessels is the NAC-3 suitable for?
The NAC-3 is specifically designed for boats 10 meters (35 feet) or greater in length, providing high-current output needed for larger vessel steering systems.
Does the NAC-3 require a separate rudder feedback unit?
Not necessarily. The NAC-3 features Virtual Rudder Feedback (VRF) technology for outboard and sterndrive boats with planing hulls, eliminating the need for separate feedback units. For other vessel types, it supports RF25 and RF300 feedback sensors.
What hydraulic pumps are compatible with the NAC-3?
The NAC-3 is rated to operate high-current drive pumps including the Simrad RPU160 and RPU300, mechanical drives like the DD15, and hydraulic linear drives such as the HLD2000 series.
Can the NAC-3 integrate with existing NMEA networks?
Yes, the NAC-3 provides both NMEA 2000 and NMEA 0183 connectivity, allowing integration with heading sensors, multifunction displays, and other marine electronics throughout your vessel.
What warranty coverage is included with the NAC-3?
The Simrad NAC-3 includes a comprehensive 2-year limited warranty covering manufacturing defects and component failures under normal marine use conditions.
Professional Installation and Support
The NAC-3 autopilot computer represents the pinnacle of marine autopilot technology, combining high-current capability with intelligent control algorithms for superior on-water performance. Its advanced Virtual Rudder Feedback technology and comprehensive connectivity options make it the ideal choice for professional mariners and serious yacht owners demanding reliable, precision autopilot control.
The NAC-3 Autopilot Computer is recommended for boats above 10 meters (35 feet) in length. It is rated to operate high-current drive pumps including the Simrad RPU160 and RPU300, mechanical drives such as the Simrad DD15, hydraulic linear drives such as the HLD2000 series, and solenoid valves. Simrad Virtual Rudder Feedback (VRF) technology eliminates the need to install a separate rudder feedback unit aboard outboard and sterndrive (inboard/outboard) boats with planning hulls. This reduces overall autopilot system cost and complexity, and is ideal where a feedback unit is impractical due to mechanical constraints. For vessels that do require a physical rudder feedback sensor, the NAC-3 supports SimNet or NMEA 2000® connected Simrad RF25 feedback units, and rudder feedback sensors with variable frequency output including the Simrad RF300. Industry-standard NMEA 2000® networking and NMEA 0183® input allow simple connectivity to heading sensors, rudder feedback units, autopilot controllers, and multifunction displays located anywhere on board.
Simrad 0013250001 Attributes
- Compatibility: Boats 10 Meter Or Greater In Length And Suitable High Current Pumps/ Mechanical Drive Units
- Voltage Rating: 12 To 24 Volt
Simrad 0013250001 Features & Benefits
- Reliable Autopilot Performance Based On Continuum Steering Technology
- Recommended For Boats Up To 10 Meter In Length
- Compatible With Low-Current Drive Pumps, Mechanical Drives, Hydraulic Linear Drives, And Solenoid Valves
- Virtual Rudder Feedback For Simplified Installation Aboard Outboard And Sterndrive Boats
- Supports Simrad RF25 And RF300 Rudder Feedback Units
- NMEA 2000 ® Connectivity To Heading Sensors, Rudder Feedbacks, Dedicated Autopilot Controllers, And Multifunction Displays
- NMEA 0183 ® Input
- Limited 2 Year Warranty
Simrad 0013250001 Installation Instructions
- SteadySteer_IG_988-12731-001_w.pdf
- NAC-2_NAC-3_CM_EN_988-11233-004_w.pdf
- NAC-3_IG_988-11145-003_w.pdf
Simrad 0013250001 Warranties
NAC-3 High Current Course Computer
The NAC-3 Autopilot Computer is the brains behind your Simrad autopilot system. It contains the electronics needed to operate a hydraulic steering pump or mechanical drive unit, while also interfacing with other components including heading sensors and rudder feedback units. The NAC-3 was designed for boats 10M (33') or greater in length and is rated to operate high-current pumps, mechanical drive units, and solenoid valves (30 Amps continuous/50 Amps peak).
Features:
- Reliable autopilot performance based on Simrad Continuum steering technology
- Recommended for boats above 10M (33') in length
- High-current output of 30 Amps continuous, 50 Amps peak
- Clutch output (3 Amps maximum)
- Compatible with high-current drive pumps, mechanical drives, hydraulic linear drives, and solenoid valves
- Virtual rudder feedback for simplified installation aboard outboard and sterndrive (inboard/outboard) boats
- Supports Simrad RF25 and RF300 rudder feedback units
- NMEA 2000® connectivity to heading sensors, rudder feedbacks, dedicated autopilot controllers, and multifunction displays
- NMEA 0183® input
Product description For ships longer than 10 meters (35 feet), it is recommended to use a large current output NAC-3 autopilot computer. Its rated working capacity includes mechanical drives such as Simrad RPU160 and RPU300, Simrad DD15, hydraulic linear drives such as the HLD2000 series, and other high-current drive pumps. Virtual steering gear feedback Simrad virtual steering gear feedback (VRF) technology eliminates the need to install separate steering gear feedback units on outboard and stern navigator (inboard/outboard) ships with a planing hull. This reduces the overall cost and complexity of the autopilot, and is ideal when the feedback unit cannot be used due to mechanical limitations. For ships that really need rudder feedback sensors, NAC-3 supports Simrad RF25 feedback units connected to SimNet or NMEA 2000 and rudder feedback sensors with variable frequency output, including Simrad RF300. The easy-to-install industry standard NMEA 2000 network and NMEA 0183 input interface can be easily connected to the heading sensor, rudder feedback unit, autopilot controller and multi-function display at any position on the ship. Product details are based on the reliable autopilot performance of Continuum Steering technology. It is recommended for vessels longer than 10 meters (35 feet). Compatible with high current drive pumps, mechanical drives, hydraulic linear drives and solenoid valves. Virtual rudder feedback simplifies the installation of outboard and stern rudder ships. Support Simrad RF25 and RF300 rudder feedback units. NMEA 2000 is connected with heading sensor, rudder feedback, dedicated autopilot controller and multi-function display. NMEA 0183 input.
Simrad NAC-3 High Current Course Computer Related Products
Simrad RF300 Rudder FeedbackSimrad RF25N Rudder Feedback w/Link & Micro-C Cable - 5M
Frequently Asked Questions (FAQ) About Simrad NAC-3 High Current Course Computer
Who is the Simrad?How to describe Simrad NAC-3 High Current Course Computer?
What is the type of the product?
What is the compatibility of this product?
Who is the Simrad?
How to describe Simrad NAC-3 High Current Course Computer?
- The NAC-3 autopilot computer is the brains behind your Simrad autopilot system.
- It contains the electronics needed to operate a hydraulic steering pump or mechanical drive unit, while also interfacing with other systems such as an electronic compass, GPS receiver and radar.
- The NAC-3 autopilot computer is programmed with all the necessary steering algorithms to ensure accurate control of your vessel in any situation.
- The NAC-3 Autopilot Computer is the brains behind your Simrad autopilot system. It contains the electronics needed to operate a hydraulic steering pump or mechanical drive unit, while also interfacing with other systems on your boat.
- The NAC-3 is designed for boats with up to 3 steering pumps, and can be used to control up to 2 mechanical drive units.
- The NAC-3 also features an external interface that allows you to connect any other Simrad autopilot system.
The Simrad NAC-3 High Current Autopilot Computer is a top of the line autopilot computer model that offers superior performance and reliability. It's designed for the most demanding of boaters who need their autopilot to be as reliable as it is powerful. The NAC-3 High Current Computer offers unparalleled performance with 12/24V input, 30A continuous output (50A peak), 3A Clutch output, and
What is the type of the product?
- The NAC-3 autopilot computer is the brains behind your Simrad autopilot system.
- It contains the electronics needed to operate a hydraulic steering pump or mechanical drive unit, while also interfacing with other systems such as an electronic compass, GPS receiver and radar.
- The NAC-3 autopilot computer is programmed with all the necessary steering algorithms to ensure accurate control of your vessel in any situation.
- The NAC-3 Autopilot Computer is the brains behind your Simrad autopilot system. It contains the electronics needed to operate a hydraulic steering pump or mechanical drive unit, while also interfacing with other systems on your boat.
- The NAC-3 is designed for boats with up to 3 steering pumps, and can be used to control up to 2 mechanical drive units.
- The NAC-3 also features an external interface that allows you to connect any other Simrad autopilot system.
- The best autopilot computer on the market.
- It's a breeze to install and set up, and it'll take your sailing experience to the next level.
- Comes with 12 months of warranty so you can rest assured that you're getting quality product.
- The Simrad NAC-3 autopilot computer is a high-performance autopilot solution for sailboats.
- With the B&G Reflex Sailing Algorithms, it is designed to be used with a variety of sailing rigs, including sloops, yachts, catamarans and multihulls.
- The NAC-3 has many features that make it easy to use and adaptable to your needs.
What is the compatibility of this product?
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Simrad NAC-3 High Current Course Computer Technical Specifications
| Type: | |
|---|---|
| Vendor: |
Simrad |
| Weight: |
3.2 lb |
| Type: |
Parts |
Simrad NAC-3 High Current Course Computer User Reviews
Simrad NAC-3 High Current Course Computer Shipping & Return
| Shipping Weight: |
3.2 lb |
|---|---|
| Box Sizes: |
5.00 (h) x 9.00 (w) x 10.00 (l) |
| Cubic Feet: |
450.0 |
| Returnable: |
Yes |
For detailed shipping policy please check our Shipping Policy and you can find our Return and Refund Policy here.