Description
Duff Norton LS25-1B5TN-04 Linear Actuator Overview
The Duff Norton LS25-1B5TN-04 is a heavy-duty electric linear actuator engineered for demanding HVAC and industrial control applications. Rated at 115V and capable of delivering up to 450 lb of thrust force with a 4-inch stroke, this actuator provides the precise, reliable linear motion needed to operate dampers, valves, and other mechanical components in commercial and industrial HVAC systems.
Key Features
- Operating Voltage: 115V AC for compatibility with standard commercial power supplies
- Thrust Capacity: 450 lb — handles heavy-duty damper and valve actuation loads
- Stroke Length: 4 inches for precise, controlled linear travel
- Durable construction designed for long service life in demanding environments
- Compact form factor for straightforward installation in tight mechanical spaces
- Consistent, repeatable positioning performance for reliable system control
Applications
- Commercial HVAC damper actuation
- Industrial valve control and positioning
- Building automation and mechanical control systems
- Air handling unit (AHU) components requiring linear motion
Why Choose Duff Norton
Duff Norton is a trusted name in linear motion and actuation technology, known for producing robust, precision-engineered actuators that meet the rigorous demands of HVAC and industrial applications. The LS25-1B5TN-04 continues that tradition, offering dependable performance and ease of integration into new or existing control systems.







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