Schneider Electric (Erie) 0453R0077GA00 Actuator

The Schneider Electric (Erie) 0453R0077GA00 Actuator is a heavy duty direct drive solution engineered for high-reliability airflow management in HVACR systems. Operating on 24Vac, this non-spring return actuator is purpose-built for three-wire damper configurations requiring precise power open/power closed rotation. Rated at 150 in-oz torque, the 0453R0077GA00 provides the necessary force to operate medium to large dampers without the risk of gear stripping common in lighter-duty models. Its floating control capability allows for granular damper positioning, making it a staple for VAV box control and commercial air handling units. The 453R series features a "lost motion" drive mechanism that protects the internal gear train from closing shock, extending the operational lifespan of the unit in high-cycle environments. For contractors, the 18-inch appliance leads and direct-drive mounting ensure a fast, secure fitment during field replacement or new system commissioning.

• High Torque Performance: Delivers 150 in-oz of torque to handle heavy-duty damper blades without stalling.
• Non-Spring Return Logic: Maintains current position upon power loss, ideal for specific HVAC zone control safety protocols.
• Direct Drive Reliability: Simplifies the linkage process, reducing mechanical failure points in damper motor setups.
• Universal Compatibility: Seamlessly replaces legacy Erie and Schneider Electric 453R series actuators.
• Three-Wire Floating Control: Allows for precision modulating damper adjustments when paired with 24V tri-state controllers.

Is the 0453R0077GA00 compatible with spring-return systems?
No, this is a non-spring return actuator. It requires power to both open and close the damper; it will not automatically return to a "fail-safe" position if power is disconnected.

Can this actuator be used on round ducts?
Yes, provided the damper shaft meets the 5/16" maximum diameter requirement. It is commonly used in zoning system dampers for both rectangular and round ductwork.

What is the difference between this and the 453L or 453H models?
The 453R is the heavy-duty variant with the highest torque rating (150 in-oz) in the series, whereas the L and H models are designed for lighter HVAC actuator applications.

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.