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Dual Battery Disconnect Switch NMEA 2000 - Egis 9821-8350B
Modern remote battery disconnect switch with ACR Function - with knob and 8P DTM connector
(ACR) - (Relay)
Advanced Power Management
The Egis 9821-8350B replaces two individual high amp relays with one compact module reducing space significantly. It is an advanced, programmable remote battery disconnect switch with ACR functionality, designed for efficient power management in electrical systems. Equipped with a manual rotary knob, it allows for easy operation and configuration. Its rugged, waterproof IP67 / IP6K9K rated design and a 8P DTM connector ensure corrosion protection and dependable performance even in harsh conditions.
Total Continuous Current
500 AMP
Max Cranking Current
1600 AMP
Mechanical Switch Lifetime
1,000,000 Cycles
Voltage Range
8-36V DC
Feature Summary
Applications / Problems This Solves.
Seamless NMEA 2000 Integration
Easy switch control and monitoring via NMEA 2000 compatible multi-function displays.
Dual Battery Charging Management
Prevents dead start batteries by enabling shared charging between two batteries and isolating them when no charge source is active.
Compact & Lightweight Design
Achieves a 35–75% reduction in mounting space and overall product weight through an advanced bi-stable solenoid architecture, optimizing installation efficiency.
Expandable System Architecture
Easily connects to additional XD relays-dual, triple, or single-using Link and Cross-Link busbars to support more complex multi-battery configurations.
Rugged, Sealed Construction
Built to endure harsh environments with IP67/IP6K9K sealing, stainless steel hardware, and high-temperature materials suitable for any mounting location.
Intuitive Programming & Compatibility
Offers simple dip-switch programmability for flexible configuration and plug-and-play compatibility with legacy ML Series bi-stable relays, reducing integration time.
Why Egis 9821-8350B?
Discover the advantages that make a difference.
LED Status Display
Equipped with a front-facing LED for immediate device status visibility and a remote LED output that mirrors on-device signals for easy system monitoring.
Manual Override Control
Features a 3-position knob allowing users to force the relay open or closed and lock it in either condition for enhanced control and maintenance flexibility.
Enhanced Protection & Longevity
Includes a protective cover to prevent accidental shorts and an integrated Gortex vent that regulates internal pressure, eliminating moisture ingress and extending service life.
Stainless Hardware
Utilizes stainless steel studs and self-locking flanged nuts for superior corrosion resistance, ensuring reliable operation even in marine or high-humidity environments.
Made in USA
Manufactured using premium-quality components for lasting performance and reliability.
