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Raymarine EV-400 Sail Evolution Autopilot System
Blue-water sailing yachts up to 60 feet track wind angles cleanly with the Raymarine EV-400 Sail corepack, which coordinates 9-axis EV-1 AHRS sensing with an ACU-400 processor to deliver 30A continuous drive power across SeaTalkng at 7.1 lbs.
- 30A output drives heavy mechanical actuators
- 9-axis EV-1 sensor maintains 1-degree accuracy
- Wind vane algorithms optimize sailboat tacking
- p70s all-weather display prevents internal condensation
- Virtual Rudder Feedback eliminates transom sensor rods
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Description
The Raymarine EV-400 Sail Evolution Autopilot System, SKU T70161, is a high-capacity core autopilot package for larger mechanically or hydraulically steered sailboats. It includes the EV-1 nine-axis sensor core, ACU-400 high-current actuator control unit, p70s color control head, and Evolution cabling kit. A compatible steering drive is sold separately, making drive selection essential for the vessel’s displacement, steering geometry, and electrical requirements.
The ACU-400 supports 12V or 24V DC systems and provides up to 30A continuous output for compatible Type 2 and Type 3 hydraulic pumps, linear drives, and rotary drives. The p70s offers button-based control through a 3.5-inch color display, while the EV-1 provides heading and motion information. This package is suitable for demanding cruising or sailing installations when the complete steering drive and feedback arrangement are correctly specified.
Key Specifications
- Raymarine EV-400 Sail Evolution core autopilot package, SKU T70161.
- Includes EV-1 nine-axis sensor core, ACU-400 actuator control unit, p70s color control head, and Evolution cabling kit.
- Designed for compatible mechanically or hydraulically steered sailboats.
- Does not include a hydraulic pump, linear actuator, rotary drive, steering linkage, or hydraulic plumbing.
- Supports 12V or 24V DC vessel electrical systems.
- Provides up to 30A continuous drive output for compatible Type 2 and Type 3 pumps, linear drives, and rotary drives.
- Uses SeaTalkng networking with NMEA 2000 integration through compatible network components.
- The p70s has a 3.5-inch color display, while the ACU-400 requires dry bulkhead mounting and the EV-1 needs low-interference sensor placement.
System Integration
This core pack requires a separately selected drive matched to the vessel’s displacement, steering type, hydraulic-cylinder volume where applicable, rudder travel, required thrust or torque, current demand, and manual-steering arrangement. The selected drive must remain within the ACU-400’s 30A continuous output capability.
Virtual Rudder Feedback may be available on appropriate installations, but some mechanical and hydraulic systems require a physical rudder-feedback transducer. For sailing functions such as wind-vane steering, connect compatible wind-data sources and navigation instruments through the SeaTalkng or NMEA 2000 network.
Installation Considerations
Mount the ACU-400 vertically in a dry, ventilated, accessible space and use correctly sized conductors plus appropriate circuit protection for the selected drive. Mount the EV-1 away from magnetic fields, high-current wiring, engines, speakers, and vibration. Plan the p70s flush-mount location, drive linkage or hydraulic plumbing, feedback linkage where required, network backbone, and full dockside and sea-trial commissioning process.
Before Ordering
Confirm sailboat steering type, vessel displacement, selected compatible hydraulic pump, linear drive, or rotary drive, cylinder volume or linkage geometry, 12V or 24V supply, 30A continuous drive requirement, ACU-400 mounting space, p70s helm-panel space, EV-1 sensor location, SeaTalkng network, physical-feedback requirement, and complete installation components before purchase.
Raymarine EV-400 Sail Evolution Autopilot System
| Brand | Raymarine |
|---|---|
| Full Model SKU/Code | T70161 (EV-400 Sail Pack) |
| Country of Origin | United Kingdom |
| Component Type | Complete Core Autopilot System Pack (Includes EV-1, ACU-400, p70s) |
| Vessel Hull Type Compatibility | Sailboats (Cruising and Racing Hulls) |
| Steering System Type Compatibility | Mechanical or Hydraulic Steering Systems (Drive Unit Sold Separately) |
| Operating Voltage | 12 Volts DC / 24 Volts DC Adaptive Layer |
| Data Networking Protocols | SeaTalkNG / NMEA 2000 Compatible Network Terminal Nodes |
| Heading Sensor / Compass Technology | EV-1 Sensor Core 9-Axis Attitude Heading Reference System (AHRS) |
| Heading Accuracy | Better than +/- 1° under dynamic and static marine conditions |
| Drive Unit Compatibility / Output Current | Compatible with Type 2 and Type 3 Pumps, Linear Drives, and Rotary Drives / 30 Amps Continuous |
| Display Technology & Size | p70s Control Head 3.5" All-Weather Bright Color TFT LCD Screen |
| Waterproof Rating | IPX6 and IPX7 For Extreme Cockpit/Deck Mounted Operations |
| Maximum Current Draw | ACU-400 Drive Power Setup: Max 30 Amps Full Traversal Duty Loop |
| Calibration Method | Evolution Intelligent Automatic Software Calibration Matrix (Bypasses Sea Trial Needs) |
| Smart Technology Features | Virtual Rudder Feedback (VRF), Intelligent Wind Vane Steering Track, Smart Turn Maneuvers |
| Dry Weight | 3.2 kg / 7.1 lbs (Combined Mass of Sensor Core, Computer, and Display Screen) |
| Application | Large ocean-going cruising sailboats, luxury blue-water sailing yachts, and large displacement racing hulls (35-60+ ft boat lengths) |
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