Description
The Schneider Electric (Barber Colman) MA40-7040-501 DuraDrive actuator is a reliable two-position, spring return damper actuator engineered for commercial HVAC and building automation applications. Designed to deliver consistent, repeatable performance, this actuator is a trusted choice for controlling dampers in air handling units, VAV systems, and other HVAC equipment.
Key Features
- Two-position, spring return operation for fail-safe damper control
- 120V AC input voltage for standard commercial power compatibility
- Built-in auxiliary switch for end-of-travel signaling and system integration
- 35 lb-in torque output for dependable damper actuation
- 4.3 VA apparent power draw for energy-efficient operation
- 3.4 Watt running power and 1.2 Watt holding power for reduced energy consumption at rest
- Universal clamp accommodates round shafts up to 5/8″ diameter or square shafts up to 1/2″
- Compact, rugged construction suited for demanding HVAC environments
Technical Specifications
- Model: MA40-7040-501
- Brand: Schneider Electric (Barber Colman)
- Series: DuraDrive
- Operation Type: Two-Position, Spring Return
- Supply Voltage: 120V AC
- Apparent Power: 4.3 VA
- Running Power: 3.4 Watts
- Holding Power: 1.2 Watts
- Torque Output: 35 Lb-In
- Auxiliary Switch: Included
- Shaft Compatibility: Round shafts up to 5/8″ diameter; Square shafts up to 1/2″
- Mounting: Universal clamp
Applications
- Commercial HVAC damper control
- Air handling units (AHUs)
- Variable air volume (VAV) systems
- Building automation and energy management systems
- Outdoor air and exhaust damper control
The spring return mechanism ensures the damper returns to its fail-safe position upon loss of power, providing an added layer of safety and system protection. The integrated auxiliary switch makes it easy to provide position feedback to building automation systems or to interlock with other HVAC controls. The universal clamp design simplifies installation across a wide range of damper shaft sizes, reducing the need for additional adapters.
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