Metric IEC Motors
20MDM-3-50-18
50HP, 4P, 3Ph, 230/460V 60Hz, 230/380/400 50Hz , 225S, TEFC, F3, D-Flange, Metric IEC Motor
Elektrim High Efficiency Metric IEC electric motor, TEFC IP55 1800/1500RPM 230/460V 60Hz 12 leads, cast iron foot mounted (B35) Design H, oversized ball bearings, VPI for best electrical peformance, rated 60/50Hz equipped with 12 separate leads.
Part Number
20MDM-3-50-18
Product Family
Metric IEC Motors
Series
20M Series
Horsepower
50
Phase
3
Synchronous Speed
1800
Nominal Speed
1784
Frequency
60
Voltage
230/460V 60Hz, 230/380/400 50Hz
Frame
225S
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)
146.1
Lock Rotor Torque (%)
210
Break Down Torque (%)
280
Full Load Amps
114 A @ 230V, 57 A @ 460V, 45.6 A @ 575V
LRA (%)
750
Lock Rotor Amps
Efficiency @ 100% Load
93.7
Power Factor @ 100% Load
87
kW @ 50 Hz
37
Synchronous Speed @ 50 Hz
1500
Nominal Speed @ 50 Hz
1484
Full Load Torque (lb-ft) @ 50 Hz
240
Lock Rotor Torque (%) @ 50 Hz
200
Break Down Torque (%) @ 50 Hz
270
Full Load Amps @ 50 Hz
117 A @ 230V, 71 A @ 380V, 67 A @ 400V
LRA (%) @ 50 Hz
750
Efficiency @ 100% Load 50 Hz
93.2
Power Factor @ 100% Load 50 Hz
85
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)
6313 C3 (DE), 6313 C3 (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)
811
Ship Weight (lbs)
922
Warranty Period
3-Years