Customer :
Three-phase induction motor - Squirrel cage rotor
No.:
Date: 17-DEC-2012
TECHNICAL PROPOSAL
Product line :
Catalog Number : 30018ET3G449TS-W22
List Price : $31,384
Notes:
Performed by: Checked:
W22 NEMA Premium - Ball Bearings
DATA SHEET
Three-phase induction motor - Squirrel cage rotor
Customer :
Product line :
Frame : 447/9TS
Output : 300 HP
Frequency : 60 Hz
Poles : 4
Full load speed : 1780
Slip : 1.11 %
Voltage : 460 V
Rated current : 330 A
Locked rotor current : 2150 A
Locked rotor current (Il/In) : 6.5
No-load current : 105 A
Full load torque : 873 lb.ft
Locked rotor torque : 230 %
Breakdown torque : 230 %
Design : B
Insulation class : F
Temperature rise : 80 K
Locked rotor time : 16 s (hot)
Service factor : 1.15
Duty cycle : S1
Ambient temperature : -20°C - +40°C
Altitude : 1000
Degree of Protection : IP55
Approximate weight : 2381 lb
Moment of inertia : 89.555 sq.ft.lb
Noise level : ---
W22 NEMA Premium - Ball Bearings
No.:
Date: 17-DEC-2012
D.E. N.D.E. Load Power factor Efficiency (%)
Bearings 6314 C3 6314 C3 100% 0.87 96.2
Regreasing interval 12000 h 12000 h 75% 0.84 96.2
Grease amount 27 g 27 g 50% 0.77 95.8
Notes:
Performed by Checked