These direct-coupled damper actuators provide adjustable modulating control for: air dampers, air handling units, ventilation flaps, louvers, and reliable control for air damper applications with up to 4.6 m2/50 sq ft (seal-less dampers; air friction-dependent).
Features:
Specifications:
|
Input Impedance |
100K ohm (voltage), 500 ohm (current) |
|
Rotation to Open |
By switch |
|
Overview |
The MN7220 is a 175 lb-in (20Nm), non-spring return, direct-coupled, low voltage actuator that accepts adjustable modulating (0/2-10 Vdc) control for: air dampers, air handling units, ventilation flaps, louvers, and ball valves. |
|
Actuator Type |
Valve |
|
Application Type |
HVAC |
|
Torque/Force (lb-in., lbf) |
175 lb-in. |
|
Torque/Force (Nm, N) |
20 Nm |
|
Supply Voltage |
24 Vac ±20% |
|
Fail Safe Mode |
Non-Spring Return |
|
Number of Internal Auxiliary Switch |
0 |
|
Control Signal |
(0)2-10 Vdc (4-20 mA w/500 ohm resistor) |
|
List Price |
413.14 |
|
Shaft Adapter Type |
Self-centering clamping |
|
Manual operation |
Declutch mechanism |
|
Maximum Stall Torque/Force (lb-in., lbf) |
257 lb-in. |
|
Maximum Stall Torque/Force (Nm, N) |
29 Nm |
|
Rotational Stroke |
95 ±3 degrees |
|
Rotational Stroke Adjustment |
Dual Integral Adj. Stops (3 degree increments) |
|
Timing, Nominal Driving @ 60 Hz (sec) |
95 sec |
|
Compatible Damper Shafts (in.) |
3/8 to 1.06 in. round or 3/8 to 11/16 in. square |
|
Frequency |
60 Hz |
|
Compatible Damper Shafts (mm) |
10 to 27 mm round or 10 to 18 mm square |
|
Materials |
Plenum rated plastic housing |
|
External Auxiliary Switches Available |
Yes, SW2-US |
|
Power Consumption (Driving) |
6 VA, 6 W |
|
Mounting |
Direct Coupled |
|
Dimensions (in.) |
8.78 in high x 3.62 in wide x 3.15 in deep |
|
Electrical Connections |
Enclosed screw terminal strip (22 to 14 AWG) |
|
Temperature Range, Ambient (F) |
-5 F to +140 F |
|
Dimensions (mm) |
223 mm high x 92 mm wide x 80 mm deep |
|
Temperature Range, Ambient (C) |
-20 C to +60 C |
|
Temperature Range, Storage (F) |
-40 F to +175 F |
|
Temperature Range, Storage (C) |
-40 C to +80 C |
|
Maximum Noise Rating, Driving (dB(A) @ 1m) |
40 |
|
Environmental Rating |
NEMA2; IP54 |
|
Approvals, Canadian Underwriters Laboratories |
cUL C22.2 No. 24-93 |
|
Weight (lb) |
3.2 lb |
|
Weight (kg) |
1.45 kg |
|
Approvals, CE |
89/336/ECC, 73/23/EEC |
|
Operating Humidity Range (% RH) |
5 to 95% RH, non-condensing |
|
Approvals, C-Tick |
N314 |
|
Approvals, Underwriters Laboratories Inc |
UL873, Plenum Rated |
|
Includes |
Mounting bracket, self-centering shaft adapter |
|
Comments |
Integral 1/2 in. NPSM conduit connection. |
|
Tradeline Value |
Tradeline |
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