Description
Schneider Electric (Barber Colman) MS41-6043 Actuator Overview
The Schneider Electric (Barber Colman) MS41-6043 is a 24V non-spring return (NSR) damper actuator engineered for precise modulating control in commercial and industrial HVAC applications. With a 0–10 VDC proportional control signal, this actuator delivers accurate, responsive damper positioning to support efficient air distribution, economizer operation, and building automation system integration.
Key Features
- 24V AC/DC power supply for broad compatibility with standard HVAC control systems
- 35 lb-in (35#) torque output for reliable actuation of medium-duty dampers
- Non-spring return (NSR) design — damper holds last position on power loss
- 0–10 VDC modulating control signal for proportional, stepless damper positioning
- Suitable for use with building automation systems (BAS) and direct digital controls (DDC)
- Compact, durable housing designed for long-term field performance
- Replaces legacy Barber Colman MS41-6043 actuators for easy retrofit and upgrade
Application
The MS41-6043 is ideal for controlling VAV boxes, mixing boxes, outside air dampers, and other HVAC damper assemblies where proportional modulating control is required. Its non-spring return operation makes it well-suited for applications where the damper must maintain its last commanded position during a power interruption, such as economizer and ventilation control sequences.
Product Specifications
- Brand: Schneider Electric (Barber Colman)
- Model / SKU: MS41-6043
- Supply Voltage: 24V AC/DC
- Torque: 35 lb-in
- Actuator Type: Non-Spring Return (NSR)
- Control Signal: 0–10 VDC (proportional modulating)
- Fail Position: Holds last position (non-spring return)
Why Choose Jackson Systems?
Jackson Systems stocks a comprehensive selection of Schneider Electric actuators and controls, backed by knowledgeable HVAC professionals ready to assist with product selection, compatibility questions, and order fulfillment. Order the MS41-6043 today for fast shipping and competitive pricing.







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