L-T-R Actuator Series

Neptronic L-T-R Actuator Series

Perfect balance between strength
and responsiveness

Overview

The Neptronic L-T-R Actuator Series delivers dependable, high-torque performance for large dampers, valves, and air-handling systems. Built for large dampers, air-handling units, and valve control applications, these actuators combine robust mechanical strength with precise control and long-term reliability.

Each actuator is the result of Neptronic’s decades of expertise in intelligent HVAC control. The L-T-R Series provides the perfect balance between strength and responsiveness, ensuring smooth operation even in the most demanding environments.

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Advantages

High-Torque Performance

With torque ranges up to 40 Nm, the series is equipped to handle large-scale dampers and valves without compromise.

Smooth Integration into Building Automation

Compatible with On/Off, Floating, 2–10 VDC, 4–20 mA or multi-signal controls, making retrofits and new builds simpler and faster.

Reduced Life-Cycle Cost

Maintenance-free gear trains, clutch manual override and robust housing mean fewer service calls, less downtime and long-term reliability

Technical Highlights

Feature	Specification
Torque Range	Up to ~40 Nm (≈360 in.lb)
Control Signals	Control Signals On/Off, Floating, 2–10 VDC, 4–20 mA
Power Supply	24 Vac/30 Vdc and 120/240 Vac options
Rotation	0-90° standard, adjustable stroke option
Manual Override	Built-in clutch for manual operation
Fail-Safe Option	Available on select models