Customer :
Three-phase induction motor - Squirrel cage rotor
No.:
Date: 28-DEC-2012
TECHNICAL PROPOSAL
Product line :
Catalog Number : 25036ST3QIE449TS-W22
List Price : $34,663
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 : 445/7TS
Output : 250 HP
Frequency : 60 Hz
Poles : 2
Full load speed : 3570
Slip : 0.83 %
Voltage : 460 V
Rated current : 266 A
Locked rotor current : 1730 A
Locked rotor current (Il/In) : 6.5
No-load current : 50.0 A
Full load torque : 363 lb.ft
Locked rotor torque : 230 %
Breakdown torque : 220 %
Design : B
Insulation class : F
Temperature rise : 80 K
Locked rotor time : 18 s (hot)
Service factor : 1.15
Duty cycle : S1
Ambient temperature : -20°C - +40°C
Altitude : 1000
Degree of Protection : IP55
Approximate weight : 2159 lb
Moment of inertia : 50.262 sq.ft.lb
Noise level : 81 dB(A)
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 6314 C3 6314 C3 100% 0.91 95.8
Regreasing interval 4000 h 4000 h 75% 0.90 95.8
Grease amount 27 g 27 g 50% 0.87 95.4
Notes:
Performed by Checked