Customer :
Three-phase induction motor - Squirrel cage rotor
No.:
Date: 31-DEC-2012
TECHNICAL PROPOSAL
Product line :
Catalog Number : 01089EP3QCT256V2
List Price : $3,052
Notes:
Performed by: Checked:
Cooling Tower Motors : High Efficiency - Two Speed
DATA SHEET
Three-phase induction motor - Squirrel cage rotor
Customer :
Product line :
Frame : 256T
Output : 2.5 HP
Frequency : 60 Hz
Poles : 8
Full load speed : 880
Slip : 2.22 %
Voltage : 230 V
Rated current : 13.0 A
Locked rotor current : 48.1 A
Locked rotor current (Il/In) : 3.7
No-load current : 10.4 A
Full load torque : 14.7 lb.ft
Locked rotor torque : 220 %
Breakdown torque : 250 %
Design : A
Insulation class : F
Temperature rise : 80 K
Locked rotor time : 20 s (hot)
Service factor : 1.15
Duty cycle : S1
Ambient temperature : -20°C - +40°C
Altitude : 1000
Degree of Protection : IP55
Approximate weight : 309 lb
Moment of inertia : 2.9615 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 6309 2RS 6209 2RS 100% 0.48 74.0
Regreasing interval --- --- 75% 0.40 72.0
Grease amount --- --- 50% 0.31 64.0
Notes:
Performed by Checked