Description
ECU Master Battery Isolator
The ECU Master Battery Isolator is a lightweight, solid-state motorsport master relay designed for EMU Black with FIA-compliant battery isolation and engine shutdown. It offers reliable performance in harsh environments, built-in alternator load dump protection, and CAN-bus control for seamless integration and diagnostics.
ECUMaster Battery Isolator, a cutting-edge motorsport master relay designed for FIA-compliant battery isolation and engine shutdown. Engineered for extreme motorsport environments, this lightweight 83g solid-state device eliminates mechanical components, ensuring exceptional durability and reliability. It features built-in alternator load dump protection, safeguarding valuable electronics during emergency shutdowns. The isolator can be controlled via external switches or a CAN-bus message from an ECUMaster PMU16 unit in the event of impact or other triggers. Fully configurable through CAN-bus, it provides critical diagnostic data, enhancing setup and troubleshooting. The unit is protected against overheating and over-current, with real-time status indicated by a multi-color LED light.
Key Features:
- Weight: 83g
- Size: 50mm x 100mm x 38.5mm
- Voltage Range: 6V – 19V, 28V transient (12V automotive installations)
- Temperature Range: -40°C to +125°C
- Current Capability: 300A continuous, peak up to 1000A
- Enclosure: Anodized aluminum, IP67 rated
- Radlock Terminals
- Power Save State Consumption: <1mA
- Over-current Protection: Engine kill output (3A)
The ECUMaster Battery Isolator—your reliable solution for high-performance battery management in motorsport.

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