Dwyer ACT-MD04-110VAC is a pneumatic and electric actuator with a temperature range of -40 to 140°F (-40 to 60°C). It has power requirements of 110 VAC, 220 VAC, 24 VAC, or 24 VDC and an enclosure rating of NEMA 7 for hazardous locations. The electrical connections are 1/2" female NPT and the material is powder coated aluminum. It has a cycle time, maximum supply pressure, and duty rating as specified in the instruction manual. The DA series is double-acting and the SR series is spring return with standard features including a position indicator and two limit switches. The supply pressure ranges from 40 to 115 psi for DA and 80 psi for SR. It has NAMUR standard accessory mounting and supports modulating input of 4 to 20 mA.