Ecumaster Battery Isolator – FIA-Compliant Motorsport Master Relay

The Ecumaster Battery Isolator is a lightweight, solid-state master relay engineered for professional motorsport applications. Meeting FIA standards for battery isolation and engine shutdown, this device is built to perform reliably in the harshest racing environments, weighing just 83g.

  • Solid-state design with no mechanical parts for exceptional durability and reliability
  • FIA-compliant battery isolation and engine kill functionality
  • Integrated alternator load dump protection—no external components required
  • Prevents damage to sensitive electronics during emergency shutdown
  • Control via two external switches or CAN-bus message (e.g., from Ecumaster PMU16)
  • CAN-bus configurability and diagnostic data output for setup and troubleshooting
  • Multi-color LED status indication
  • Fully protected against overheating and over-current events

Specifications

  • Weight: 83g
  • Dimensions: 50mm x 100mm x 38.5mm
  • Voltage Range: 6V – 19V (28V transient, 12V automotive installations only)
  • Operating Temperature: -40°C to +125°C
  • Continuous Current: 300A (peak up to 1000A)
  • Current Measurement Resolution: 4A
  • Current Measurement Range: -1000A to 1000A
  • Current Measurement Accuracy: ±10%
  • Inductive Load Switching Capability: 600mJ
  • Enclosure: Anodized aluminium, IP67 rated
  • High Current Terminals: M8 nickel-plated terminals or Radlok connectors
  • Signal Connector: Deutsch ASX202-06PN (mating plug ASX602-06SN included)
  • Power Save State Current Consumption: <1mA
  • ON State Current Consumption: ~20mA
  • Engine Kill Output: 3A, High (VBat), Low (GND), or Hi-Z

Note: Ecumaster brand products are not shipped to the USA, Canada, or Mexico.

Universal Part: This product fits multiple vehicles (universal application).

Vehicle Compatibility

Brand Model Generation / Chassis Engine
Universal - - -
ECUMASTER

ECUMASTER

Founded in 2009 in Poland, ECUMaster produces standalone ECUs, lambda controllers, and power management systems for motorsport and performance applications.

Developed and assembled in-house, ECUMaster is a trusted name for drift, drag, rally, and circuit racing teams worldwide.

Official page: www.ecumaster.com

Ecumaster battery isolator AS

Brand: ECUMASTER Product id: 77694 MPN: ECU-BAT-ISO-M8
Availability: Ready to ship
401.85€
397.83€ Excl. VAT: 328.79€
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Tags: Default Category|Electronics|Ecumaster|Sensors and Accessories||Default Category|Electronics|Ecumaster||Default Category|Electronics,

This product has universal fitment.

ECUMASTER

Founded in 2009 in Poland, ECUMaster produces standalone ECUs, lambda controllers, and power management systems for motorsport and performance applications.

Developed and assembled in-house, ECUMaster is a trusted name for drift, drag, rally, and circuit racing teams worldwide.

Official page: www.ecumaster.com