Egis Mobile Electric Single XD NMEA 2000 Automatic Circuit Relay with Knobs – 4 Position DT (9811-4300)

The Egis Mobile Electric Single XD NMEA 2000 Automatic Circuit Relay provides reliable digital and manual control of critical marine electrical circuits. Designed for integration into modern NMEA 2000 networks, this 4-position double-throw (DT) relay allows seamless control and monitoring through compatible multifunction displays while retaining hands-on operation via front-mounted rotary knobs.

Built for demanding marine and mobile environments, the Single XD relay supports both 12V and 24V DC systems and delivers dependable automatic switching for power distribution, battery management, and load control applications. Its NMEA 2000 compliance ensures plug-and-play installation and smooth communication within digital switching systems, reducing wiring complexity and improving system reliability.

Ideal for recreational, commercial, and specialty vessels, the Egis Single XD Automatic Circuit Relay combines intelligent network control with manual override flexibility, making it a dependable solution for modern marine electrical management.

Features:

• Bullet-proof construction sealed to IP67/IP6K9K with high-temperature electronics and stainless steel cable lug studs

• Supports 500A continuous and 1600A cranking current per switch, suitable for standard marine systems

• Intuitive manual control with status indicators for override and lock states

• Simple dip switch programmability for flexible system customization

• Reduces off-state current by up to 95%, improving energy efficiency

• Seamless NMEA 2000 integration for control, monitoring, and battery voltage readings

• Flexible control options via NMEA 2000 or discrete analog inputs

• Compact design reduces mounting space and weight significantly

• Supports shared charging between two batteries with isolation when no charge is present

• Expandable with link and cross-link busbars for multi-battery system configurations