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Leeson

LM28904

Elevator Duty Motor, 50 HP, 3 Ph, 60 Hz, 230/460 V, 1800 RPM, 326T Frame, DP
Motors designed to fulfill a variety of application requirements, including automotive duty, aggregate duty, air compressors, pressure washers, unit handling, and woodworking motors, among others. Dual rated nameplates for 80 & 120 starts/hour Designed for belt driven pumps Wye Start/Delta Run Class F Insulated; 40° C ambient F-1 mounting Ball bearings with grease fittings and automatic relief NEMA® dimensions UL recognized component listing and CSA approved Constructed for low noise and low vibration

Product Specs

RPM:
HP:
Voltages: ,
Frame:
Enclosure:

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Dual rated nameplates for 80 & 120 starts/hour Designed for belt driven pumps Wye Start/Delta Run Class F Insulated; 40° C ambient F-1 mounting Ball bearings with grease fittings and automatic relief NEMA® dimensions UL recognized component listing and CSA approved Constructed for low noise and low vibration

Product Specs

General Info
Brand
Leeson
Manufacturer
Regal Beloit
Model Number
-
Part ID
LM28904
Spec Number
-
UPC Number
691720103241
Product Category
, ,
Warranty
-
General Data
Frame Type
Enclosure Type
Rotation
Reversible
Mounting Type
Rigid Base
Max Ambient
40°C
Assembly/Box Mounting
F1/F2 CAPABLE
Motor Orientation
Horizontal
Duty
120/80 Starts/Hour
Insulation Class
F
IP Code
22
NEMA Design
INV
Number of speeds
1
C Dim
27.51
C Dim (in mm)
-
Frame Length
16.57
Frame Length (in mm)
-
Frame Material
Rolled Steel
Weight Unit of Measure
LB
Weight
530
Thru-bolts Extension
-
Leads
-
Connection
-
Ambient Temp
-
Full Load Temp
-
Temp Code
-
Electrical Data
HP
Voltage
,
RPM
Actual
-
Amps
126.0/63.0
Full Load Amps
-
Frequency
60
Number of Phases
Electrical Type
Squirrel Cage Induction Run
Number of Poles
4
CE
YES
MFD
-
Efficiency
93
KVA Code
G
Temp Code VFD
-
Lead QTY
-
Starting Type
Wye Start Delta Run
Connection Box Location
-
Overload Protector
No Protection
Power Rating (In KW)
37
Power Factor
79.5
Service Factor
1
Locked Rotor Current
-
Motor FL Current
-
Resistance Main
0.148
Coil Resistance
-
Speed2
1782
Conduit Box
-
Start Capacitor
-
Run Capacitor
-
Starting Type
Wye Start Delta Run

Hazardous Locations

Hazardous Location
-
CSA
-
Mechanical Data
DE Bearing Size
311
DE Bearing Type
Ball
ODE Bearing Size
309
ODE Bearing Type
Ball
Bearings
-
Dimension Unit of Measure
IN
Length
32.19
Width
27.5
Height
22
Shaft Diameter (in.)
2.125
Shaft Diameter (mm)
-
Shaft Extension
5.25
Shaft Extension (mm)
-
Shaft Type
T
Grease
-
Greaseable
-
Variable Torque Ratio
-
Constant Torque Ratio
-
Casting
-
Removable Feet
-
Double Drilled
-
CFM
-

Additional Information

UL Listed
Recognized
Connection Drawing No
A-EE7308AA-LN
Outline Drawing No
XG2D1SS1-1657
Superseded Part ID
N/A
cross reference

Thousands of AC motors, DC motors, gearmotors, and variable speed solutions are all under the LEESON® brand. You can trust the LEESON name for long-lasting solutions, whether you’re in the market for electric motors for original equipment manufacturing (OEM) purposes or a single replacement motor. Since its founding in 1939, LEESON has grown to become a respected name in the motor industry, with a wide variety of commercial and industrial uses.

The eco Ag® Motor, Extreme Duck® Ultra Motor, Platinum e™ Motor, and many more solutions are just a few examples of the many additions to the LEESON product line throughout the years.

Matching Products

Matched products based on similar HP, RPM, Frame, Voltage, and Enclosure type.

HP: 50, RPM: 1800, Frame: 326T, Voltage: 230, 460, Enclosure: DP

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