AC64 electric power supply accept the AC electric network. The not insulated compact power supply type AC64 is specially designed for Stromag France brakes 660/650 - 5K/5D - 645 - 45K - 4CA2. The caliper opening and closing are controlled by the alternating mains presence or not. The power supply AC64 is protected against overloads, short circuits, connection mistakes or insulation fault on the caliper output. A measure of the current allows to regulate and limit current max injected in caliper(s), check the correct operation of automatic compensation calipers, decrease heating and electrical consumption.