Dwyer ACT-MD01-220VAC is a pneumatic and electric actuator suitable for a temperature range of -40 to 140°F (-40 to 60°C). It is available in power requirements of 110 VAC, 220 VAC, 24 VAC, or 24 VDC. The NEMA 7-rated enclosure is designed for hazardous locations. The actuator has 1/2" female NPT electrical connections and a cycle time specified in the instruction manual. It is made of powder-coated aluminum and has various connection sizes available. The DA series is double-acting, and the SR series is spring return. The actuator includes a position indicator and two limit switches. The supply pressure ranges from 40 to 115 psi (2.7 to 7.9 bar) for DA and 80 psi (5.5 bar) for SR. It also features NAMUR standard accessory mounting and a duty rating specified in the instruction manual. The modulating input is 4 to 20 mA.