Dwyer ACT-MD01-24VAC is a Pneumatic and Electric Actuator with a temperature range of -40 to 140°F. It requires 110 VAC, 220 VAC, 24 VAC, or 24 VDC power. This NEMA 7 rated device is designed for hazardous locations and has 1/2" female NPT electrical connections. It is made of powder-coated aluminum and has a maximum supply pressure of 120 psi. The DA series is double-acting and the SR series is spring return, both featuring 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 can be controlled with a 4 to 20 mA modulating input.