Multi Products 2659D-S Actuator

The Multi Products 2659D-S Actuator is a heavy-duty 120V square shaft actuator designed for precise damper control and ventilation automation in commercial and industrial HVACR environments. Engineered as the direct replacement for 2257, this unit features a unique square shaft with 4 flats, ensuring a slip-free mechanical connection and stable mounting for high-torque applications. Built with a zinc die-cast housing and a robust metal geartrain, the 2659D-S is a common choice for technicians performing HVAC damper motor replacement where reliability under harsh conditions is non-negotiable. Its 120VAC shaded pole motor provides consistent damper actuator rotation, making it a drop-in solution for legacy system upgrades. By utilizing the Multi Products 2659D-S, contractors can maintain system integrity with a component designed for high-cycle performance in material handling and automated manufacturing processes.

Key Benefits

• Direct Replacement Logic: Specifically optimized to replace the discontinued 2257 model without requiring extensive field modifications.
• High-Torque Stability: The square shaft with 4 flats provides superior grip and prevents rounding during high-load switching.
• Industrial-Grade Build: Features a rugged zinc die-cast housing that protects internal components from debris and environmental stress.
• Simplified Integration: Standard 120V AC power requirements and compact footprint allow for efficient installation in tight mechanical spaces.

Common Questions

Is the 2659D-S a direct fit for older 2257 actuators?
Yes, this unit is the manufacturer-designated direct replacement for the 2257, maintaining the same mounting profile and electrical specifications.

What is the advantage of the 4-flat square shaft design?
The 4-flat configuration ensures that the linkage or coupling is secured flat against the shaft surface, eliminating the play or slippage common in standard round shaft designs.

Can this actuator be used in spring-return applications?
The 2659D-S is typically utilized in power-open/power-close or floating control setups; always verify your specific linkage requirements and gear torque needs before installation.

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Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.