Schneider Electric MK4-7121 Damper Actuator with Positioner, 4-5" Adjustable Stroke

The Schneider Electric (Barber Colman) MK4-7121 is a precision damper actuator designed for HVAC air handling applications requiring accurate damper control. This electric actuator features an integrated positioner and an adjustable stroke length that can be set between 4 and 5 inches to accommodate various damper sizes and configurations.

Key Features:

• Adjustable stroke range from 4 to 5 inches for flexible installation
• Built-in positioner for accurate damper blade positioning
• Durable construction suitable for commercial and industrial HVAC systems
• Designed for direct-coupled mounting to damper shafts
• Part of Schneider Electric's trusted Barber Colman HVAC controls line

This actuator is commonly used in VAV systems, air handling units, and other applications where precise damper control is critical for maintaining proper air flow and building comfort. The adjustable stroke feature allows installers to fine-tune the actuator to match specific damper requirements without requiring multiple part numbers.