The electrical rotary actuator Type 3003 is a compact and powerful actuator system with a long service life. Materials and components have been chosen for a maintenance-free operation even in aggressive environments and ensure low thermal loading on the actuator. The modular design offers many additional features to be added to the basic device such as extra limit switches, potentiometers and emergency power. With the control actuator version the input signals as well as the output signals (e.g., 4.20 mA, 0.20 mA, 0.10 V) can be programmed. Heating resistors and torque limiters are standard features. The housing is made of flame-resistant material classified according to UL 94 V0.