Raymarine EV-400 Sail Pilot Pack, For Type 2 & 3 Drives, p70s, ACU-400, EV-1

Overview

The Raymarine T70161 is an EV-400 Sail autopilot pack for large sailboats with mechanical steering, supplied without the drive unit. It combines the p70s push-button autopilot controller, EV-1 sensor core, ACU-400 actuator control unit, rotary rudder feedback unit, and Evolution cabling needed to build the control side of a below-deck pilot system.

This pack is used with a separate Type 2 or Type 3 mechanical linear, rotary, or hydraulic linear autopilot drive. The ACU-400 supports 12 V and 24 V DC systems, with an operating voltage range of 10.8 V DC to 31.2 V DC and a maximum continuous drive current output of 30 A at supply voltage.

For sailboats already running Raymarine instruments or a mixed marine electronics network, SeaTalkng and NMEA 2000 networking help the pilot share data with compatible displays and instruments. The EV-1 sensor core tracks vessel motion using a 9-axis sensor, giving the pilot the heading and movement data it needs for steady course keeping under sail or power.

Key features

• EV-400 Sail pack for large sailboats with mechanical steering systems.
• Requires a separate compatible autopilot drive unit, so the drive can be matched to the vessel steering system.
• Works with Type 2 or Type 3 mechanical linear, rotary, or hydraulic linear autopilot drives.
• ACU-400 actuator control unit supports 12 V and 24 V DC installations with a 10.8 V DC to 31.2 V DC operating range.
• Maximum continuous drive current output of 30 A at supply voltage for heavy-duty below-deck drive control.
• SeaTalkng and NMEA 2000 networking for integration with compatible instruments and chartplotters.
• EV-1 sensor core uses a 9-axis heading sensor to monitor heading, pitch, roll, and yaw.
• p70s color push-button controller gives direct pilot control from the helm with a sailing-focused interface.
• Rotary rudder feedback unit is included for accurate rudder position input.
• ACU-400 can supply power to the SeaTalkng bus, with 3 A at 12 V output protected by a 3 A fuse.

Installation and setup

The drive unit is not part of this pack and must be selected separately to match the boat’s steering arrangement and load. Before installation, confirm the steering type, drive class, available mounting space, cable runs, and the boat’s 12 V or 24 V DC electrical system.

The EV-1 sensor core can be mounted above or below deck in a location with suitable separation from magnetic interference. The ACU-400 is a below-deck control unit, so it should be installed where it is protected from direct washdown and has access to the drive wiring, power feed, rudder reference, and SeaTalkng network.

Electrical and system integration

The ACU-400 has a standby power consumption of 300 mA on the main 12 V or 24 V supply. Its SeaTalkng power output can help feed the onboard SeaTalkng backbone, which reduces extra wiring in installations where the pilot, instruments, and compatible displays share the same network.

SeaTalkng and NMEA 2000 support make this pack a practical fit for sailboats where heading, wind, waypoint, and instrument data need to move between helm displays, pilot controls, and navigation equipment. System planning should still account for proper backbone layout, termination, fuse protection, and total network load.

Use cases on board

This pack is a strong match for cruising sailboats and offshore sailing setups where the autopilot needs to handle long passages, motoring legs, and watchkeeping support while the crew trims sails, checks navigation, or manages deck work. It is also useful on larger sailing vessels where a below-deck drive is preferred over cockpit-mounted pilot hardware.

Because the drive is selected separately, the system can be paired with the steering hardware that suits the vessel instead of forcing one fixed drive choice. That makes fit confirmation especially important for owners replacing an older pilot or upgrading an existing Raymarine network.

What’s included

• EV-1 sensor core
• p70s color push-button autopilot controller
• ACU-400 actuator control unit
• Rotary rudder feedback unit
• Evolution cabling kit

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Many products sold by Apollo Lighting include a manufacturer's warranty covering defects in materials or workmanship. Warranty terms vary by brand, product category, and model, so eligibility, coverage duration, exclusions, and available remedies are determined by the applicable manufacturer. We recommend reviewing the warranty information provided with your product before installation or use, especially for marine electronics, navigation equipment, lighting, electrical systems, pumps, safety equipment, and other specialized marine products.

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