Modulating, Non-Spring Return, 24 V, 135 Input. Torque min. 180 in-lb, for control of damper surfaces up to 45 sq. ft.

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Application:

For proportional modulation of dampers in HVAC systems. Actuator sizing should be done in accordance with the damper manufacturers specifications.
The actuator is mounted directly to a damper shaft up to 1.05 in diameter by means of its universal clamp. A crank arm and several mounting brackets are available for applications where the actuator cannot be direct coupled to the damper shaft.
The default parameters for 0 to 135 input applications of the MFT95 actuator are assigned during manufacturing. If necessary, custom versions of the actuators can be ordered. The parameters can be changed by two means: pre-set and custom configurations from Belimo or on-site configurations using the Belimo PC-Tool software.

Operation:

The actuator is not provided with and does not require any limit switches, but is electronically protected against overload. The anti-rotation strap supplied with the actuator will prevent lateral movement.
The actuator provides 95 of rotation and a visual indicator indicates position of the actuator. When reaching the damper or actuator end position, the actuator automatically stops. The gears can be manually disengaged with a button on the actuator cover.
The actuators use a brushless DC motor, which is controlled by an Application Specific Integrated Circuit (ASIC). The ASIC monitors and controls the actuators rotation and provides a digital rotation sensing (DRS) function to prevent damage to the actuator in a stall condition. Power consumption is reduced in holding mode.
Add-on auxiliary switches or feedback potentiometers are easily fastened directly onto the actuator body for signaling and switching functions.
For low ambient temperatures, the optional supplemental (-H) Heater add-on is available.

TechnicalData:

Power Supply 24 VAC, 20%, 50/60 Hz, 24 VDC, 10% Power consumption in operation 3.5 W Power consumption in rest position 1.3 W Transformer sizing 6 VA (class 2 power source) Shaft Diameter 1/2…1.05 round, centers on 1/2 and 3/4 with insert, 1.05 without insert Electrical Connection 18 GA plenum cable with 1/2 conduit connector, degree of protection NEMA 2 / IP54, 3 ft [1 m] 10 ft [3 m] and 16ft [5 m] Overload Protection electronic throughout 0…95 rotation Operating Range 0…135 , Honeywell Electronic Series 90, input 0…135 Position Feedback 2…10 V, Max. 0.5 mA Angle of rotation Max. 95, adjustable with mechanical stop Torque motor 180 in-lb [20 Nm] Direction of motion motor selectable with switch 0/1 Position indication Mechanically, 30…65 mm stroke Manual override external push button Running Time (Motor) default 150 s, variable 90…350 s Ambient humidity max. 95% r.H., non-condensing Ambient temperature -22…122F [-30…50C] Storage temperature -40…176F [-40…80C] Degree of Protection IP54, NEMA 2, UL Enclosure Type 2 Housing material UL94-5VA Agency Listing cULus acc. to UL60730-1A/-2-14, CAN/CSA E60730-1:02, CE acc. to 2014/30/EU and 2014/35/EU Noise level, motor 45 dB(A) Servicing maintenance-free Quality Standard ISO 9001

Resources:

• BelimoAMX24-MFT95Non-Spring Return Actuator Technical Data Sheet
  
• Belimo AM Non-Spring Return Actuator Installation Instructions