These hydraulic disc ebike brakes include an auto-cutoff motor switch for extra safety.
Inside is a sensor that when you have pulled the brake lever, sends a signal to the controller to turn off the motor. The sensors override the throttle to avoid giving power the motor while braking.
Auriga E-Tune HD-E530, 2- Piston eMTB Hydrualic Disc Brake with Cutoff Switch
Auriga E-Tune HD-E745, Twin Caliper eMTB Hydrualic Disc Brake with Cutoff Switch
Auriga+HD-E740, 4-Piston eMTB Hydrualic Disc Brake with Cutoff Switch
Dorado 4P HD-E725, 4-Piston eMTB Hydrualic Disc Brake with Cutoff Switch