Description
The Schneider Electric (Barber Colman) MA40-7043 DuraDrive is a two-position, spring-return damper actuator engineered for reliable, precise control in commercial HVAC and building automation applications. Designed for easy installation and long-term performance, this actuator accepts a universal clamp compatible with round shafts up to 5/8″ in diameter or square shafts up to 1/2″, making it highly versatile across a wide range of damper configurations.
Key Features
- Two-position, spring-return operation for fail-safe damper positioning
- Universal clamp accommodates round shafts up to 5/8″ diameter or square shafts up to 1/2″
- Dual-voltage compatibility: 24Vac / 24Vdc
- Low power consumption: 4.4 VA draw, 2.9W running, 0.8W holding
- 35 lb-in output torque for dependable damper actuation
- Spring return ensures fail-safe positioning on power loss
- Compact DuraDrive design for straightforward field installation
Electrical Specifications
- Supply Voltage: 24Vac / 24Vdc
- Power Consumption: 4.4 VA
- Running Power: 2.9 Watts
- Holding Power: 0.8 Watts
Mechanical Specifications
- Torque Output: 35 lb-in
- Shaft Compatibility: Round shafts up to 5/8″ diameter; Square shafts up to 1/2″
- Mounting: Universal clamp
Applications
- Commercial HVAC damper control
- Building automation systems (BAS)
- Air handling unit (AHU) damper actuation
- Economizer and ventilation control
The MA40-7043 is a trusted solution for contractors and building engineers who need a dependable, low-power actuator with broad shaft compatibility and fail-safe spring-return functionality.
