Field Instruments

General

The M7281, M7282, M7284, M7285 and M7294 are Electronic Modutrol® Motors used to control dampers and valves. These motors accept a current signal from an electronic controller to position a damper or valve at any position between open and closed..

Features

• Replace M744S,T,Y and M745S,T,Y Motors.
• M7284, M7281 are 150 lb.-in. non-spring return; M7294 is 300 lb.-in. non-spring return; M7285, M7282 are 60 lb-in. spring return.
• Oil immersed motor and gear train for reliable performance and long life.
• Wiring box provides NEMA 3 weather protection.
• Quick-connect terminals standard—screw terminal adapter available.
• Adapter bracket for matching shaft height of older motors is standard with replacement motors.
• Die cast aluminum housing.
• Models available with integral auxiliary switches.
• Models available with adjustable zero and span..

Specifications

• Make: Honeywell
• Model: M7284C1083/U
• SERIES 2 MOD IV MOTOR
• Application:Electric
• Dimensions (in.):6 7/16 in. high x 5 1/2 in. wide x 7 5/16 in. deep
• Dimensions (mm):164 mm high x 140 mm wide x 185 mm deep
• Includes:Transformer
• M7284C1083/U
• SERIES 2 MOD IV MOTOR
• Comments: Enhanced models, additional repositions
• Item Type: Product
• Mounting: Foot-mounted
• Frequency: 50 Hz; 60 Hz
• Approvals, Underwriters Laboratories Inc. :Listed: File No. E4436, Guide No. XAPX for USA and Canada
• Electrical Connections: Screw terminals
• Supply Voltage: 24V; 120V; 230V
• Power Consumption:Driving-- 15 VA
• Approvals, CE:EN55011 (Emission) EN50082-2 (Immunity) 73/23/EEC (LVD)
• Ambient Temperature Range (F) :-40 F to +150 F
• Ambient Temperature Range (C) :-40 C to +60 C
• Internal Auxiliary Switch:2
• Auxiliary Switch Ratings:AFL - 120 Vac-- 7.2A; ALR- 120 Vac-- 43.2A; AFL - 240 Vac-- 3.6A; ALR- 240 Vac-- 21.6A
• Stroke:Fixed; 90 degrees, Symmetrical
• Shaft Dimensions (in.) :0.375 in. Square
• Control Signal:Modulating, 4-20 mA
• Fail Safe Mode:Non-Spring Return
• Torque Rating (lb-in.) :150 lb-in.
• Torque Rating (Nm) :17 Nm
• Shaft Rotation (upon control signal increase) :Clockwise (as viewed from power end) (normally closed)
• Factory Stroke Setting :90 degrees
• Timing, Nominal :30 sec
• Feedback :No
• Shaft Dimensions (mm) :10 mm Square
• Motor shafts:Dual-ended shaft
• Deadweight Load on Shaft:Either End-- 200 lbs. : Combined on both Shafts-- 300 lbs.
• Internal Transformer :50004263-001

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