Schneider Electric MA-405-500 Damper/Valve Actuator

Damper/Valve Actuator from Schneider Electric, model MA-405-500, delivers precise control for dampers and globe valves. This ON/OFF, SPST, 2-position, 2-wire rotary actuator features spring-return operation for reliable, fail-safe performance.

Designed for 120 VAC operation at 60 Hz, it draws 25 W of power and provides 60 in-lb of torque with a full 180° rotation. The unit's die-cast aluminum body offers rugged durability and a NEMA 1 enclosure for indoor electrical installations. It operates from -40 to 136°F (-40 to 58°C) and is suitable for damper and globe valve control. The MA-405-500 is UL-listed for Canada and US (UL 873) and CSA, with a terminal-block connection and a built-in SPDT auxiliary switch. The rotation is clockwise, making installation straightforward.

• Voltage: 120 VAC, 60 Hz
• Power: 25 W
• Torque: 60 in-lb
• Rotation: 180° clockwise
• Operation: Spring Return, ON/OFF, SPST, 2-wire
• Enclosure + body: NEMA 1; Die-cast aluminum
• Connection: Terminal Block
• Includes SPDT auxiliary switch