Customer :
Three-phase induction motor - Squirrel cage rotor
No.:
Date: 31-DEC-2012
TECHNICAL PROPOSAL
Product line :
Catalog Number : 01589EP3QCT284V2
List Price : $3,878
Notes:
Performed by: Checked:
Cooling Tower Motors : High Efficiency - Two Speed
DATA SHEET
Three-phase induction motor - Squirrel cage rotor
Customer :
Product line :
Frame : 284T
Output : 3.75 HP
Frequency : 60 Hz
Poles : 8
Full load speed : 880
Slip : 2.22 %
Voltage : 230 V
Rated current : 18.1 A
Locked rotor current : 74.3 A
Locked rotor current (Il/In) : 4.1
No-load current : 14.0 A
Full load torque : 22.1 lb.ft
Locked rotor torque : 240 %
Breakdown torque : 250 %
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 : 408 lb
Moment of inertia : 4.6819 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% 0.51 76.0
Regreasing interval --- --- 75% 0.42 74.0
Grease amount --- --- 50% 0.32 68.0
Notes:
Performed by Checked