• Declutch for manual adjustment • Adjustable mechanical end limits • Removable access cover for direct wiring • Mountable in any orientation • Function selection switch for selecting modulating or floating/2-position control • Models available with three-foot, 18 AWG color-coded cable.NSR, Modulating/Floating, 24Vac/Dc, 44In Lb| Rotation to Open | By switch |
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| Overview | The MN7505 is a 44 lb-in (5Nm), non-spring return, direct-coupled, low voltage actuator that accepts adjustable modulating (0/2-10 Vdc) or on/off (SPDT) control for: air dampers, air handling units, ventilation flaps, louvers, and ball valves. |
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| Torque/Force (lb-in., lbf) | 44 lb-in. |
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| Feedback | (0)2-10 Vdc (max. output: ±1.0 mA) |
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| Supply Voltage | 24 Vac +20%, -15%, 24 Vdc |
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| Fail Safe Mode | Non-Spring Return |
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| Number of Internal Auxiliary Switch | 0 |
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| Ingress Protection Rating | IP54 |
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| Shaft Adapter Type | U-bolt clamp |
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| Manual operation | Declutch mechanism |
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| Maximum Stall Torque/Force (lb-in., lbf) | 70 lb-in. |
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| Maximum Stall Torque/Force (Nm, N) | 8 Nm |
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| Rotational Stroke | 95 ±3 degrees |
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| Rotational Stroke Adjustment | Dual Integral Adj. Stops (3 degree increments) |
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| Timing, Nominal Driving @ 60 Hz (sec) | 95 sec |
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| Compatible Damper Shafts (in.) | 1/4 to 1/2 in. square or 3/8 to 5/8 in. round |
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| Compatible Damper Shafts (mm) | 6 to 13 mm square or 8 to 16 mm round |
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| Materials | Plenum rated plastic housing |
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| External Auxiliary Switches Available | No |
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| Power Consumption (Driving) | 5 VA |
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| Dimensions (in.) | 5.23 in high x 2.60 in wide x 2.44 in deep |
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| Electrical Connections | Enclosed screw terminal strip (22 to 14 AWG) |
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| Temperature Range, Ambient (F) | -5 F to +140 F |
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| Dimensions (mm) | 134 mm high x 66 mm wide x 62 mm deep. |
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| Temperature Range, Ambient (C) | -20 C to +60 C |
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| Temperature Range, Storage (F) | -22 F to +176 F |
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| Temperature Range, Storage (C) | -30 C to +80 C |
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| Maximum Noise Rating, Driving (dB(A) @ 1m) | 35 |
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| Environmental Rating | NEMA2 |
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| Approvals, Canadian Underwriters Laboratories | cUL C22.2 No. 24-93 |
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| Approvals, CE | 89/336/ECC, 73/23/EEC |
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| Operating Humidity Range (% RH) | 5 to 95% RH, non-condensing |
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| Approvals, Underwriters Laboratories Inc | UL873, Plenum Rated |
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| Includes | Mounting bracket, screws, shaft adapter, water-tight strain-relief cable fittings |
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| Comments | Integral 1/2 in. NPSM conduit connection. |
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