Description
The Schneider Electric (Barber Colman) MA-318-500 is a robust two-position actuator engineered for dependable damper and valve control in commercial HVAC and building automation applications. Delivering 60 lb-in of torque, this actuator provides the driving force needed for reliable, repeatable positioning in demanding system environments.
Key Features
- Two-position (open/close) control for straightforward damper or valve actuation
- 24V operating voltage for compatibility with standard low-voltage HVAC control systems
- 60 lb-in torque output for positive, reliable actuation
- Built-in auxiliary switch for end-of-travel feedback or interlocking with other system components
- 70 Watts running input power for fast, positive actuation
- 25 Watts holding input power for energy-efficient position maintenance
- Output shaft must be mounted horizontally — ensure proper orientation during installation
Specifications
- Model: MA-318-500
- Brand: Schneider Electric (Barber Colman)
- Control Type: Two Position
- Supply Voltage: 24V
- Torque: 60 lb-in
- Running Input Power: 70 Watts
- Holding Input Power: 25 Watts
- Auxiliary Switch: Included
- Mounting Requirement: Output shaft must be horizontal
Application
Ideal for use in commercial building automation systems, air handling units, and HVAC zoning applications where reliable two-position damper or valve control is required. The integrated auxiliary switch enables end-of-travel signaling, making it easy to interlock with fans, pumps, or other system equipment for sequenced operation.
Installation Note
For proper operation and to prevent premature wear, the output shaft must be oriented horizontally during mounting. Always verify shaft orientation prior to final installation.
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