WEG 02018ET3ECT256T-W22 User Manual
Customer :
Three-phase induction motor - Squirrel cage rotor
No.:
Date: 31-DEC-2012
TECHNICAL PROPOSAL
Product line :
Catalog Number : 02018ET3ECT256T-W22
List Price : $2,549
Notes:
Performed by: Checked:
W22 Cooling Tower Motors: NEMA Premium
DATA SHEET
Three-phase induction motor - Squirrel cage rotor
Customer :
Product line :
Frame : 256T
Output : 20 HP
Frequency : 60 Hz
Poles : 4
Full load speed : 1765
Slip : 1.94 %
Voltage : 208-230/460 V
Rated current : 53.3-48.2/24.1 A
Locked rotor current : 313/157 A
Locked rotor current (Il/In) : 6.5
No-load current : 20.0/10.0 A
Full load torque : 58.7 lb.ft
Locked rotor torque : 230 %
Breakdown torque : 270 %
Design : B
Insulation class : F
Temperature rise : 80 K
Locked rotor time : 15 s (hot)
Service factor : 1.25
Duty cycle : S1
Ambient temperature : -20°C - +40°C
Altitude : 1000
Degree of Protection : IP55
Approximate weight : 291 lb
Moment of inertia : 3.0963 sq.ft.lb
Noise level : 64 dB(A)
W22 Cooling Tower Motors: NEMA Premium
No.:
Date: 31-DEC-2012
D.E. N.D.E. Load Power factor Efficiency (%)
Bearings 6309 C3 6209 C3 100% 0.84 93.0
Regreasing interval 20000 h 20000 h 75% 0.79 92.4
Grease amount 13 g 9 g 50% 0.68 91.7
Notes:
Performed by Checked
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