The MF4 and MS4 Series DuraDrive™ Direct Coupled, Non-spring Return Actuators are designed to accept tristate or proportional control signals from a DDC system or a thermostat for HVAC damper applications. Typicalapplications include air handling unit dampers and inletvanes, VAV boxes, and unitary equipment. The actuatorsrange in torque from 35 to 300 in-lb.
Model 35 in-lb item Voltage power
MF4E-60430-100 21-28 VAC 50/60 Hz 2.0 VA MF41-6043 MS41-6043
21-28 VAC 50/60 Hz 2.3 VA
signal (impedance) Tri-state
Tri-state
21-28 VAC 50/60 Hz 3.3 VA Proportional 0 to 10 VDC (100 kΩ)
Features
• Direct mount to round or square shaft • Tri-state or proportional control models • Manual override on all models
C 5 Model 70 in-lb item Voltage power
MF4E-60830-100 21-28 VAC 50/60 Hz 2.0 VA MF41-6083 MS41-6083
21-28 VAC 50/60 Hz 2.3 VA
signal (impedance) Tri-state
Tri-state 21-28 VAC 50/60 Hz 3.3 VA Proportional 0 to 10 VDC (100 kΩ) Year
Manufacturer Warranty
Feedback (optional)
None
Model -510 None
Drive time (seconds)
90 90 90
Feedback (optional)
None
Model -510 None
Drive time (seconds)
90
125 125
Model 133 in-Ib
item
MF41-6153 MS41-6153
Voltage
power 21-28 VAC 50/60 Hz 3.0 VA
signal (impedance) Tri-state
21-28 VAC 50/60 Hz 5.0 VA Proportional 0 or 2 to 10 VDC (100 kΩ)
Feedback (optional)
None None
Drive time (seconds)
125 125
Model 300 in-lb
item
Voltage
power MF41-6343 20-28 VAC 50/60 Hz 7.0 VA
signal (impedance) Tri-state
MS41-6343 20-28 VAC 50/60 Hz 7.1 VA Proportional 2 to 10 VDC (10 kΩ) 4-20 mA (500Ω)
MS41-6340 120 VAC 50/60 Hz 7.1 VA Proportional 2 to 10 VDC (10 kΩ) 4-20 mA (500Ω)