Ea elektro automatik ea el 30009000 electronic load microcontrollers ea elektro automatik 33200251 this ea el 9000 hp electronic load 0 75a 0 750v dc from ea elektro automatik puts an end to battery and power supply testing via resistant loads as the electronic loads can now dynamically test in dynamic operation the microcontroller switches between two values a and b according to the adjusted pulse width and duty cycle the four common regulation modes constant voltage cv constant cu