Description
The Schneider Electric (Barber Colman) M800A-VB is a Forta series globe valve actuator engineered for precise hydronic and HVAC system control. Designed for commercial building automation applications, this actuator delivers reliable, repeatable valve positioning with a robust 180 Lbf output force and a secure screw-mount design for straightforward field installation.
Control Flexibility
The M800A-VB supports both floating and proportional control modes, making it compatible with a wide range of building automation and direct digital control (DDC) systems. Multiple input signal options allow seamless integration into virtually any control architecture.
Key Features
- Supply Voltage: 24V AC/DC
- Output Force: 180 Lbf
- Control Modes: Floating or Proportional
- Input Signal Options: 0 to 10 Vdc, 2 to 10 Vdc, or 4 to 20 mA (with 500 Ohm resistor)
- Position Feedback: 2 to 10 Vdc
- Mounting Style: Screw Mount
- Compatible Valve Series: Forta Globe Valves
Proportional Control & Feedback
With a 2 to 10 Vdc feedback signal, the M800A-VB provides accurate position reporting back to the controller, enabling closed-loop control for improved system efficiency and comfort. The 4 to 20 mA input capability (via included 500 Ohm resistor) ensures compatibility with standard industrial and BAS signal wiring.
Built for Commercial HVAC
The M800A-VB is part of Schneider Electric’s Forta product line, a trusted choice among mechanical contractors and building automation professionals for globe valve actuation in heating, cooling, and process control applications. The screw-mount design ensures a secure, vibration-resistant connection to the valve body.
Applications
- Hydronic heating and cooling coil control
- Air handling unit (AHU) valve control
- Fan coil unit (FCU) water valve actuation
- Building automation and DDC systems
- Commercial and industrial HVAC process control
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