Metric IEC Motors
20MFM-3-20-18P
20HP, 4P, 3Ph, 230/460V 60Hz, 380V/400V 50Hz , 160L, TEFC, F3, Foot Mounted, Metric IEC Motor
Elektrim Premium Efficiency Metric IEC IE3 electric motor, TEFC IP55 1800/1500RPM cast iron foot mounted (B3) Design N, oversized ball bearings, VPI for best electrical peformance, rated 60/50Hz equipped with 12 separate leads.
Part Number
20MFM-3-20-18P
Product Family
Metric IEC Motors
Series
20M/P Series
Horsepower
20
Phase
3
Synchronous Speed
1800
Nominal Speed
1775
Frequency
60
Voltage
230/460V 60Hz, 380V/400V 50Hz
Frame
160L
Frame Material
Cast Iron
Flange
-
Flange Type
-
Feet
YES
Removable Feet
YES
Rotatable Feet
NO
Double Drilled Feet
YES
Winding Connection
Double Delta / Delta
Full Load Torque (lb-ft)
59.5
Lock Rotor Torque (%)
310
Break Down Torque (%)
360
Full Load Amps
49.4 A @ 230V, 24.7 A @ 460V, 19.8 A @ 575V
LRA (%)
920
Lock Rotor Amps
454.48 A @ 230V, 227.24 A @ 460V, 182.16 A @ 575V
Efficiency @ 100% Load
93
Power Factor @ 100% Load
82
kW @ 50 Hz
15
Synchronous Speed @ 50 Hz
1500
Nominal Speed @ 50 Hz
1475
Full Load Torque (lb-ft) @ 50 Hz
97.1
Lock Rotor Torque (%) @ 50 Hz
270
Break Down Torque (%) @ 50 Hz
320
Full Load Amps @ 50 Hz
49.3 A @ 230V, 29.8 A @ 380V, 28.3 A @ 400V
LRA (%) @ 50 Hz
810
Efficiency @ 100% Load 50 Hz
92.1
Power Factor @ 100% Load 50 Hz
83
Design Code
H
Duty Rating
Code Letter
H
Service Factor @ 60 Hz
1.2
Service Factor @ 50 Hz
1
Insulation Class
F
Inverter Rated
10:1CT / 20:1VT
Bearings (DE / ODE)
6309 2Z C3 (DE), 6309 2Z C3 (ODE)
Impregnation Method
Vacuum Pressure Impregnation (VPI)
PTC Thermistors
Option
Space Heater
Option
Junction Box Material
Aluminum
Fan Guard Material
Rolled Steel
Shaft Seal
Rubber
Mounting Position
F3
Degree of Protection
IP55
Enclosure
TEFC
Finish
RAL5010
Net Weight (lbs)
340
Ship Weight (lbs)
380
Warranty Period
3-Years