Honeywell MN6134, MN7234 Catalog Page
Direct Coupled Damper Actuators—Non-Spring Return
N34 Series: MN6134; MN7234
Non-Spring Return Direct Coupled Actuator, 300 lb-in
The MN7234 is a 300 lb-in (34Nm), 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.
• Control for air damper applications with up to 85 sq ft assuming
3.5 in- b per sq ft of damper area, velocity independent
• Patented self-centering shaft adapter
• Access cover to facilitate connectivity
• Declutch for manual adjustment
• Mechanical end limits
• Field-installable auxiliary switches
• Rotation direction selectable by switch
• Mountable in any orientation (no IP54 if upside down)
• Mechanical position indicator
• CE approved. UL approved
Actuator Type: Damper; Valve
Rotational Stroke: 95 ±3 degrees
Fail Safe Mode: Non-Spring Return
Torque Rating: 300 lb-in. (34 Nm)
Dimensions, Approximate: 8.78 in high x 3.62 in wide x 3.15 in deep
(223 mm high x 92 mm wide x 80 mm deep)
External Auxiliary Switches Available: Ye s , S W 2- US
Number of Internal Auxiliary Switch: 0
Electrical Connections: Enclosed screw terminal strip (22 to 14 AWG)
Environmental Rating: NEMA2
Frequency: 50 Hz; 60 Hz
Manual operation: Declutch mechanism
Mounting: Direct Coupled
Maximum Noise Rating, Driving (dBA @ 1m): 40
Rotation to Open: By switch
Product Number Control Signal Feedback
* MN6134A1003 On/Off; SPDT; Floating — 95 sec 9 VA, 9 W —
* MN7234A2008 (0)2-10 Vdc (4-20 mA
w/500 ohm resistor)
* TRADELINE models • SUPER TRADELINE models
(0)2-10 Vdc (max.
output: ±1.0 mA)
Compatible Damper Shafts: 3/8 to 1.06 in. round or 3/8 to 11/16 in.
square (10 to 27 mm round or 10 to 18 mm square)
Shaft Adapter Type: Self-centering clamping
Supply Voltage: 24 Vac ±15%, 24 Vdc
Materials: Plenum rated plastic housing
Operating Humidity Range (% RH): 5 to 95% RH, non-condensing
Ambient Temperature Range: -5 F to +140 F (-20 C to +60 C)
Storage Temperature Range: -40 F to +175 F (-40 C to +80 C)
Weight: 3.2 lb (1.45 kg)
Includes: Mounting bracket, self-centering shaft adapter
Comments: Integral 1/2 in. NPSM conduit connection
Approvals
CE
89/336/ECC, 73/23/EEC
C-Tick: N314
Underwriters Laboratories, Inc: UL873, Plenum Rated
Canadian Underwriters Laboratories, Inc: cUL C22.2 No. 24-93
Timing (seconds)
Nominal Driving
@ 60 Hz
95 sec 8 VA, 6 W 100K ohm (voltage),
Power
Consumption,
Driving Input Impedance
500 ohm (current)
374 customer.honeywell.com 70-6910
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