Customer :
Three-phase induction motor - Squirrel cage rotor
No.:
Date: 17-DEC-2012
TECHNICAL PROPOSAL
Product line :
Catalog Number : 45009ET3G588/9-W22
List Price : $68,715
Notes:
Performed by: Checked:
W22 NEMA Premium - Ball Bearings
DATA SHEET
Three-phase induction motor - Squirrel cage rotor
Customer :
Product line :
Frame : 588/9T
Output : 450 HP
Frequency : 60 Hz
Poles : 8
Full load speed : 895
Slip : 0.56 %
Voltage : 460 V
Rated current : 554 A
Locked rotor current : 3880 A
Locked rotor current (Il/In) : 7.0
No-load current : 280 A
Full load torque : 2605 lb.ft
Locked rotor torque : 160 %
Breakdown torque : 260 %
Design : B
Insulation class : F
Temperature rise : 80 K
Locked rotor time : 27 s (hot)
Service factor : 1.00
Duty cycle : S1
Ambient temperature : -20°C - +40°C
Altitude : 1000
Degree of Protection : IP55
Approximate weight : 5281 lb
Moment of inertia : 616.65 sq.ft.lb
Noise level : 75 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% 0.78 95.8
Regreasing interval 14000 h 17000 h 75% 0.72 95.7
Grease amount 60 g 45 g 50% 0.60 95.2
Notes:
Performed by Checked