Broad Compatibility: Direct OEM replacement for MOT3019

For optimal performance and to prevent plunger sticking

It is highly recommended to use a 24V "C" wire connection

The most common causes are low line voltage

What does the orange lead wire signify

Belimo TFB24-MFT Actuator Refrigerant Broad Compatibility: Direct OEM replacementThe Belimo TFB24 MFT Actuator is a field programmable spring return actuator designed for the fail safe control of dampers and valves in high demand HVACR systems. Operating on 24VAC or 24VDC, this Multi Function Technology (MFT) unit provides a 22 in lb torque output and supports a wide range of control signals, including 4 20mA (via 500 Ohm resistor), PWM (via 1500 Ohm resistor), floating point, and on off configurations. This versatility allows