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GE | M8922 | 20HP | 1200RPM | 3PH | 60HZ | 286TC | TEFC
VIN#: 1172418477
Qty on hand Qty on hand: Stock
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Condition:New
Catalog Number:M8922
Manufacturer:GE
Enclosure:TEFC
Frame:286TC
Hertz:60
HP:20
Mounting:C-Face
Phase:3
RPM:1200
Voltage:460



X$D Ultra® 841 Extra Severe Duty
Totally Enclosed Fan Cooled

1-250HP
460, 575 volt
Full Cast Iron Construction
Meets or exceeds IEEE 841 Standards
GEGARD20007 Insulation System
Six Star Bearing™ System with 0.04 ips
D.E. and O.D.E. Inpro Seal™
HP Range 3/4-250
Frame Size 143-449
Poles 2,4,6,8
Voltage 460, 575
Frequency 60Hz
NEMA Design B
Time Rating Continuous
Mounting F1 as Standard and Modifiable to F2
Mounting Holes 2 per foot
Ambient 40C
Altitude 3300 ft
Service Factor 1.15
Insulation Class F (Class H materials with Class F leads)
Insulation System GE GARD 2000 Non-Hygroscopic, Anti-Fungus, 2000 Volt @ .1microsecond rise time. Exceeds NEMA MG1-31
Temperature Rise 80C @ 1.0 SF
Inverter Capabilities Variable Torque inf:1, Constant Torque 20:1 (see AC Selection and Application)
Efficiency Meets or exceeds NEMA Premium nominal. Exceeds all NEMA Premium minimum efficiencies.
Bearing Type Ball, Belted 4-pole 250-300 HP have Roller Brg
Bearing Housing Rise 2-pole: 50C, 4,6,8-pole: 45C
Bearing Caps 143-449: Both ends are gasketed
Bearing Protection IP55, Inpro Seal both ends
L10 Bearing Life Direct Coupled: 130,000 hrs, Belted: 26,280 hrs
Grease Polyurea
Relubrication Both ends, extended through the fan cover
Frame Material Cast Iron
End Shield Cast Iron
Conduit Box Gasketed and rotatable, Cast iron
Fan Cover Cast Iron
Fan Non-Sparking Plastic or Bronze
Fasteners SAE, Grade 5
Nameplate Stainless Steel Includes weight, 3/4 load efficiency, vibration limit
Ground Ground lug in Conduit Box and Frame ground
Lifting Means 4 Lugs cast into frame
Drains Brass T-drains
Paint Buff, Epoxyester
Rotor Cast Aluminum
Balance/Vibration ISO Grade 1, Ball Bearings: 0.040 in/sec (P) Roller Bearings:2P: 0.0003 in (P-P), 4P: 0.0004 in (P-P), 6P: 0.0005 in (P-P), 8P: 0.0007 in (P-P)
Shaft TIR Meets IEEE 841, .001 in for shaft diameter 1.625 in and smaller, .0015 in for shaft diameter greater than 1.625 in.
Foot Draft Angle +/- 1.5 degrees
Foot Flatness 0.005 inches
Tach Mounting Tach kits for field modifications are available
Vibration Pads Cast in vibration pads for repeatable measurements
Centered Core Allows F1-F2 field conversion
Oil Mist Lube Includes provisions for conversion to Oil Mist Lubrication
Special Painting Meets IEEE 841
Tests NEMA Routine Report including Vibration supplied with motor, IEEE 112
Industry Specifications Meets IEEE 45 Marine Duty Meets GM 7E-TA Automotive Duty
Agency Approvals UL - Component and Insulation System Recognition, CS

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