Metric IEC Motors
20MFM-3-20-12P
20HP, 6P, 3Ph, 230/460V 60Hz, 380V/400V 50Hz , 180L, TEFC, F3, Foot Mounted, Metric IEC Motor
Elektrim PREMIUM / IE3 Efficiency Metric IEC electric motor, TEFC IP55 1200/1000RPM cast iron foot mounted (B3) Design H, oversized ball bearings, VPI for best electrical peformance, rated 60/50Hz equipped with 12 separate leads.
Part Number
20MFM-3-20-12P
Product Family
Metric IEC Motors
Series
20M/P Series
Horsepower
20
Phase
3
Synchronous Speed
1200
Nominal Speed
1180
Frequency
60
Voltage
230/460V 60Hz, 380V/400V 50Hz
Frame
180L
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)
89.5
Lock Rotor Torque (%)
400
Break Down Torque (%)
320
Full Load Amps
51.4 A @ 230V, 25.7 A @ 460V, 20.6 A @ 575V
LRA (%)
860
Lock Rotor Amps
442.04 A @ 230V, 221.02 A @ 460V, 177.16 A @ 575V
Efficiency @ 100% Load
91.7
Power Factor @ 100% Load
80
kW @ 50 Hz
15
Synchronous Speed @ 50 Hz
1000
Nominal Speed @ 50 Hz
980
Full Load Torque (lb-ft) @ 50 Hz
146.2
Lock Rotor Torque (%) @ 50 Hz
330
Break Down Torque (%) @ 50 Hz
280
Full Load Amps @ 50 Hz
60 A @ 230V, 30.9 A @ 380V, 29.3 A @ 400V
LRA (%) @ 50 Hz
730
Efficiency @ 100% Load 50 Hz
91.2
Power Factor @ 100% Load 50 Hz
81
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)
6311 2Z C3 (DE), 6311 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)
437
Ship Weight (lbs)
492
Warranty Period
3-Years