Dwyer DDA22 is a Non-Spring Return Direct Coupled Actuator that operates in a temperature range of -22 to 122°F (-30 to 50°C). It has a power requirement of 110 VAC or 24 VAC with optional 230 VAC. The housing is made of NEMA 2 (IP40) enclosure material. It comes with standard accessories and fits shaft diameters of 0.4" (10 mm) or 0.5" (13 mm). It has overload protection, a 95° adjustable angle of rotation, and a running time of 72-160 seconds. It has a visual position indication, clockwise/counterclockwise rotation, and a manual override push button. The control input options are two-position/floating or 4-20 mA/0-10 VDC. It has a life expectancy of 60000 full cycles and sound level under 45 dB.