Metric IEC Motors
20MDM-3-50-12
50HP, 6P, 3Ph, 230/460V 60Hz, 230/380/400 50Hz , 250M, TEFC, F3, D-Flange, Metric IEC Motor
Elektrim High Efficiency Metric IEC electric motor, TEFC IP55 1200/1000RPM cast iron foot mounted with D-flange (B35) Design H, oversized ball bearings, VPI for best electrical peformance, rated 60/50Hz equipped with 12 separate leads.
Part Number
20MDM-3-50-12
Product Family
Metric IEC Motors
Series
20M Series
Horsepower
50
Phase
3
Synchronous Speed
1200
Nominal Speed
1193
Frequency
60
Voltage
230/460V 60Hz, 230/380/400 50Hz
Frame
250M
Frame Material
Flange
D-Flange
Flange Type
B35
Feet
YES
Removable Feet
NO
Rotatable Feet
NO
Double Drilled Feet
NO
Winding Connection
Double Delta / Delta
Full Load Torque (lb-ft)
220
Lock Rotor Torque (%)
240
Break Down Torque (%)
310
Full Load Amps
124 A @ 230V, 62 A @ 460V, 49.6 A @ 575V
LRA (%)
840
Lock Rotor Amps
Efficiency @ 100% Load
93
Power Factor @ 100% Load
81
kW @ 50 Hz
37
Synchronous Speed @ 50 Hz
1000
Nominal Speed @ 50 Hz
989
Full Load Torque (lb-ft) @ 50 Hz
357
Lock Rotor Torque (%) @ 50 Hz
160
Break Down Torque (%) @ 50 Hz
230
Full Load Amps @ 50 Hz
119 A @ 230V, 72 A @ 380V, 68 A @ 400V
LRA (%) @ 50 Hz
530
Efficiency @ 100% Load 50 Hz
92.5
Power Factor @ 100% Load 50 Hz
84
Design Code
H
Duty Rating
Code Letter
H
Service Factor @ 60 Hz
1.2
Service Factor @ 50 Hz
1
Insulation Class
F
Inverter Rated
Bearings (DE / ODE)
6315 (DE), 6315 (ODE)
Impregnation Method
Vacuum Pressure Impregnation (VPI)
PTC Thermistors
Standard
Space Heater
Option
Junction Box Material
Cast Iron
Fan Guard Material
Rolled Steel
Shaft Seal
Mounting Position
F3
Degree of Protection
IP55
Enclosure
TEFC
Finish
RAL5010
Net Weight (lbs)
1010
Ship Weight (lbs)
1120
Warranty Period
3-Years