Barber Colman N800-4308 Spring Actuator (Schneider Electric)
The Barber Colman N800-4308 is a factory-original replacement spring designed for use with M573-series electric actuators. Now offered under the Schneider Electric brand, this spring is a critical internal component that provides mechanical force for return or positioning within the actuator assembly. It is engineered to meet original design specifications, ensuring long-lasting and reliable performance for HVAC damper or valve actuation.
Technical Specifications
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Part Number: N800-4308
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Type: Actuator Return/Drive Spring
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Manufacturer: Barber Colman (Schneider Electric)
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Compatible Actuators: M573-series
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Material: Spring steel (coated or treated for durability)
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Function: Provides return tension or maintains internal torque balance within actuator mechanism
Key Features
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OEM replacement spring for M573-series actuators
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Maintains proper torque and actuator movement
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Restores actuator performance to factory specifications
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Durable construction for long-term cycling in HVAC systems
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Essential for actuator repair, rebuilds, or preventive maintenance
Compatible Components & Accessories
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Barber Colman M573-series damper actuators
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Internal gear assemblies and linkage kits
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Replacement actuator housings (model-dependent)
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Schneider Electric maintenance kits
Industry Applications
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Commercial and industrial HVAC systems
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Ventilation and damper control in air handling units
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Building automation systems using Barber Colman actuators
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Retrofit and lifecycle support for legacy actuator equipment
Installation & Maintenance Notes
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Disconnect actuator from power before disassembly
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Use appropriate tools to handle spring tension during removal and installation
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Inspect gear train and moving components while replacing the spring
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Reassemble and test actuator for full range and proper travel after installation
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Always use genuine OEM components to ensure safety and compatibility
The Barber Colman N800-4308 spring ensures optimal mechanical operation of M573 actuators, extending actuator service life and maintaining consistent damper or valve control performance in HVAC automation systems.
We ship this product worldwide! Delivery is normally stock.
Request a Quote now or call us at 1-800-755-2883 for expert assistance