Customer :
Three-phase induction motor - Squirrel cage rotor
No.:
Date: 31-DEC-2012
TECHNICAL PROPOSAL
Product line :
Catalog Number : 02089EP3QCT286V2
List Price : $4,827
Notes:
Performed by: Checked:
Cooling Tower Motors : High Efficiency - Two Speed
DATA SHEET
Three-phase induction motor - Squirrel cage rotor
Customer :
Product line :
Frame : 286T
Output : 5 HP
Frequency : 60 Hz
Poles : 8
Full load speed : 880
Slip : 2.22 %
Voltage : 230 V
Rated current : 21.9 A
Locked rotor current : 89.8 A
Locked rotor current (Il/In) : 4.1
No-load current : 16.0 A
Full load torque : 29.4 lb.ft
Locked rotor torque : 240 %
Breakdown torque : 240 %
Design : A
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 : 485 lb
Moment of inertia : 5.8542 sq.ft.lb
Noise level : 54 dB(A)
Cooling Tower Motors : High Efficiency - Two Speed
No.:
Date: 31-DEC-2012
D.E. N.D.E. Load Power factor Efficiency (%)
Bearings 6311 2RS 6211 2RS 100% 0.54 78.5
Regreasing interval --- --- 75% 0.46 76.0
Grease amount --- --- 50% 0.35 70.0
Notes:
Performed by Checked