WEG 50018ET3G449T-W22 User Manual
Customer :
Three-phase induction motor - Squirrel cage rotor
No.:
Date: 17-DEC-2012
TECHNICAL PROPOSAL
Product line :
Catalog Number : 50018ET3G449T-W22
List Price : $50,594
Notes:
Performed by: Checked:
W22 NEMA Premium - Ball Bearings
DATA SHEET
Three-phase induction motor - Squirrel cage rotor
Customer :
Product line :
Frame : L447/9T
Output : 500 HP
Frequency : 60 Hz
Poles : 4
Full load speed : 1785
Slip : 0.83 %
Voltage : 460 V
Rated current : 561 A
Locked rotor current : 4040 A
Locked rotor current (Il/In) : 7.2
No-load current : 210 A
Full load torque : 1451 lb.ft
Locked rotor torque : 250 %
Breakdown torque : 260 %
Design : B
Insulation class : F
Temperature rise : 105 K
Locked rotor time : 22 s (hot)
Service factor : 1.00
Duty cycle : S1
Ambient temperature : -20°C - +40°C
Altitude : 1000
Degree of Protection : IP55
Approximate weight : 3462 lb
Moment of inertia : 159.61 sq.ft.lb
Noise level : 79 dB(A)
W22 NEMA Premium - Ball Bearings
No.:
Date: 17-DEC-2012
D.E. N.D.E. Load Power factor Efficiency (%)
Bearings 6322 C3 6319 C3 100% 0.86 96.2
Regreasing interval 12000 h 17000 h 75% 0.82 96.2
Grease amount 60 g 45 g 50% 0.73 95.4
Notes:
Performed by Checked
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