WEG 25018ST3QIE449T-W22 User Manual
Customer :
Three-phase induction motor - Squirrel cage rotor
No.:
Date: 28-DEC-2012
TECHNICAL PROPOSAL
Product line :
Catalog Number : 25018ST3QIE449T-W22
List Price : $30,081
Notes:
Performed by: Checked:
Three-Phase: W22 IEEE-841™ Petrochem Motors - NEMA Premium® Efficiency
DATA SHEET
Three-phase induction motor - Squirrel cage rotor
Customer :
Product line :
Frame : 447/9T
Output : 250 HP
Frequency : 60 Hz
Poles : 4
Full load speed : 1780
Slip : 1.11 %
Voltage : 460 V
Rated current : 281 A
Locked rotor current : 1850 A
Locked rotor current (Il/In) : 6.6
No-load current : 95.0 A
Full load torque : 728 lb.ft
Locked rotor torque : 230 %
Breakdown torque : 240 %
Design : B
Insulation class : F
Temperature rise : 80 K
Locked rotor time : 15 s (hot)
Service factor : 1.15
Duty cycle : S1
Ambient temperature : -20°C - +40°C
Altitude : 1000
Degree of Protection : IP55
Approximate weight : 2079 lb
Moment of inertia : 89.555 sq.ft.lb
Noise level : ---
Three-Phase: W22 IEEE-841™ Petrochem Motors - NEMA Premium® Efficiency
No.:
Date: 28-DEC-2012
D.E. N.D.E. Load Power factor Efficiency (%)
Bearings 6322 C3 6319 C3 100% 0.86 96.2
Regreasing interval 6000 h 8000 h 75% 0.83 96.2
Grease amount 60 g 45 g 50% 0.75 95.8
Notes:
Performed by Checked
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