Description
The Schneider Electric (Barber Colman) MA-418-500 is a robust two-position actuator engineered for reliable damper and valve control in commercial HVAC and building automation applications. Designed for demanding environments, this actuator delivers dependable spring-return fail-safe operation, ensuring your system returns to a known safe position in the event of a power loss.
Key Features
- Two-position (open/close) control for precise damper or valve actuation
- 120V AC operating voltage for compatibility with standard commercial control circuits
- 60 lb-in output torque for driving medium-duty dampers and valves
- Spring return mechanism provides fail-safe positioning upon power loss
- Built-in auxiliary switch for end-of-travel feedback or interlocking with other system components
- 70 Watts running input power for fast, reliable actuation
- 25 Watts holding power for energy-efficient position maintenance
- Output shaft must be mounted in the horizontal position — verify installation orientation before mounting
Specifications
- Model: MA-418-500
- Brand: Schneider Electric (Barber Colman)
- Voltage: 120V AC
- Torque: 60 lb-in
- Action: Two Position, Spring Return
- Running Input: 70 Watts
- Holding Input: 25 Watts
- Auxiliary Switch: Included
- Mounting Requirement: Output shaft must be horizontal
Applications
- Commercial HVAC damper control
- Building automation and energy management systems
- Air handling unit (AHU) damper actuation
- Ventilation and exhaust system control
- Zone control and outside air damper applications
Important Installation Note
The output shaft on the MA-418-500 must be oriented horizontally during installation. Failure to observe this mounting requirement may result in improper operation or reduced actuator lifespan. Always verify shaft orientation prior to final installation.
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