Electron E-Brakes Electronic Controller ER-E-Brakes-269Electron E Brakes Electronic Controller ER E Brakes 269 Specifically created for our brakes: When you are only using our brakes, you dont need a controller with a features that you will not use. The E Brakes are exactly what you want in those cases. Small on the outside, powerful on the inside: Dont let its size fool you, as the E Brakes is capable of handling 28V per output, being able to power our largest brake sizes for an outstanding performance.