Description
The Schneider Electric (Barber Colman) MA-418-101 is a heavy-duty, 120-volt spring-return, 2-position electric actuator engineered for dependable damper and valve control in commercial HVAC and building automation systems. With a robust 60 lb-in output torque and a 90° rotational stroke, this actuator delivers the force and travel range needed to reliably operate round and rectangular dampers as well as rotary valves in demanding applications.
The spring-return design ensures the actuator automatically returns to its fail-safe position upon loss of power or control signal — a critical safety feature for smoke control, ventilation, and energy management systems. The 2-position (on/off) control mode makes it straightforward to integrate into simple open/close applications without the need for complex modulating controls.
Key Features
- 120V AC power supply for compatibility with standard commercial control circuits
- Spring-return (SR) fail-safe operation — returns to default position on power loss
- 2-position (on/off) control for straightforward open/close applications
- 60 lb-in output torque for reliable actuation of dampers and rotary valves
- 90° rotational stroke for full quarter-turn damper and valve operation
- Formerly marketed under the Barber Colman brand, now part of the Schneider Electric portfolio
Typical Applications
- Commercial HVAC damper control
- Building automation and energy management systems
- Ventilation and air distribution control
- Rotary valve actuation
- Smoke and fire damper applications (verify local code compliance)
Product Specifications
- SKU: MA-418-101
- Brand: Schneider Electric (Barber Colman)
- Supply Voltage: 120V AC
- Actuator Type: Spring Return (SR)
- Control Mode: 2-Position (On/Off)
- Output Torque: 60 lb-in
- Stroke: 90°
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