ECUMaster Battery Isolator Club (M8)

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ECUMaster Battery Isolator Club (M8)


New Product!

The Club version of the battery isolator utilizes a Deutsch DTM connector for termination instead of the much more expensive Deutsch Autosport connector. This version retains the same features and specifications at a decreased cost vs the Deutsch Autosport versions we also sell. 

Ecumaster Battery Isolator is a motorsport master relay device
designed for FIA compliant battery isolation and engine shutdown.
The device is designed for harsh motorsport environments and weighs
only 83g. Featuring a full solid-state design, an absence of mechanical
components ensures long life and high reliability.
The device has built-in alternator load dump protection without the
addition of any external components.
There is no risk of damage to expensive electronic equipment during
emergency shutdown. The isolator is controlled with two external
switches and can be shut down with a CAN-bus message.
The message may be sent from an Ecumaster PMU16 unit in the case
of an impact or another event. The device is configurable through CANbus.
It also sends diagnostic information which can be used by other
equipment and is valuable during device setup and diagnosis. It is fully
protected against overheating and over-current.
Device status is indicated with a multi-color led light.


  • Weight: 83g
  • Dimensions: 50mm x 100mm x 38.5mm
  • Voltage range: 6V – 19V, 28V transient (12V automotive installations only)
  • Operating temperature range: -40C + 125C
  • Current capability: 300A continuous, peak up to 1000A
  • Current measurement resolution 4A
  • Current measurement range: -1000A to 1000A
  • Current measurement accuracy: Plus-minus 10%
  • Inductive load switching capability: 600mJ
  • Enclosure: Anodized aluminium, IP67 rated
  • High current terminals: M8 nickel plated terminals
  • Power save state current consumption: <1mA
  • ON state current consumption: ~20mA
  • Engine kill output: 3A, High (VBat), Low (GND) or Hi-Z
Proposition 65

WARNING: Cancer and Reproductive Harm

Ecumaster was founded in 2009 and is the fastest growing engine management manufacturer in the tuning and motorsport market. Our products are successfully used by teams competing in many different forms of motorsports, such as drifting, drag racing, rally and circuit racing. Our extensive dealer network covers all European countries as well as the US, Australia and Asia. Our goal is to design and manufacture the best equipment possible whilst maintaining excellent value, and ensuring that the products are versatile and user friendly. The level of quality and available tuning strategies, together with competitive pricing, make our products a very attractive package. In order to maintain high product quality and close control at all stages of production, development and manufacturing is done in-house (Poland). We make every possible effort to ensure that our products meet the highest quality standards, and also the high expectations of our customers.

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