Description
Honeywell MS7503A2021 Direct Coupled Spring Return Damper Actuator
The Honeywell MS7503A2021 is a Direct Coupled Actuator (DCA) featuring spring return (SR) operation, designed for reliable and precise damper control in commercial and residential HVAC applications. With a 24V power supply, 27 lb-in of torque, and a NEMA 2 enclosure rating, this actuator delivers dependable performance in a wide range of air handling and ventilation systems.
Key Features
- Direct coupled actuator (DCA) design — mounts directly to damper shaft without linkage
- Spring return (SR) operation — automatically returns damper to fail-safe position on power loss
- 24V operating voltage for compatibility with standard HVAC control systems
- 27 lb-in (inch-pounds) torque output for effective damper actuation
- NEMA 2 enclosure rating — suitable for indoor installations with drip protection
- Compact, robust construction for long service life
- Simplified installation with direct shaft coupling
Specifications
- SKU: MS7503A2021
- Brand: Honeywell
- Actuator Type: Direct Coupled (DCA)
- Operation: Spring Return (SR)
- Voltage: 24V
- Torque: 27 lb-in
- Enclosure Rating: NEMA 2
Applications
- Commercial and residential HVAC air handling units
- Ventilation damper control
- Economizer systems
- Zone control applications requiring fail-safe spring return operation
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