Page 1
Customer :
Three-phase induction motor - Squirrel cage rotor
No.:
Date: 31-DEC-2012
TECHNICAL PROPOSAL
Product line :
Catalog Number : 00389EP3QCT182V
List Price : $1,369
Notes:
Performed by: Checked:
Cooling Tower Motors : High Efficiency - Two Speed
Page 2
DATA SHEET
Three-phase induction motor - Squirrel cage rotor
Customer :
Product line :
Frame : 182T
Output : 0.75 HP
Frequency : 60 Hz
Poles : 8
Full load speed : 875
Slip : 2.78 %
Voltage : 460 V
Rated current : 1.74 A
Locked rotor current : 5.74 A
Locked rotor current (Il/In) : 3.3
No-load current : 1.50 A
Full load torque : 4.44 lb.ft
Locked rotor torque : 140 %
Breakdown torque : 220 %
Design : A
Insulation class : F
Temperature rise : 80 K
Locked rotor time : 45 s (hot)
Service factor : 1.15
Duty cycle : S1
Ambient temperature : -20°C - +40°C
Altitude : 1000
Degree of Protection : IP55
Approximate weight : 97 lb
Moment of inertia : 0.38205 sq.ft.lb
Noise level : 50 dB(A)
Cooling Tower Motors : High Efficiency - Two Speed
No.:
Date: 31-DEC-2012
D.E. N.D.E. Load Power factor Efficiency (%)
Bearings 6307 2RS 6206 2RS 100% 0.55 72.0
Regreasing interval --- --- 75% 0.48 72.0
Grease amount --- --- 50% 0.40 65.0
Notes:
Performed by Checked
Page 3
PERFORMANCE CURVES RELATED TO RATED OUTPUT
Three-phase induction motor - Squirrel cage rotor
100
1.0 0.0
90
80
70
0.9
0.8
0.7
C
No.:
Date: 31-DEC-2012
C - Slip D - Current at 460V (A)
1.0
2.0
3.0
60
0.6
50
0.5
40
0.4
A - Efficiency (%)
B - Power factor
0 10 20 30 40 50 60 70 80 90 100 110 120 130
Customer :
Product line :
Frame : 182T
Output : 0.75 HP
Frequency : 60 Hz
Full load speed : 875
Voltage : 460 V
Rated current : 1.74 A
Insulation class : F
Cooling Tower Motors : High Efficiency - Two Speed
A
B
D
Percent of rated output (%)
Locked rotor current (Il/In) : 3.3
Duty cycle : S1
Service factor : 1.15
Design : A
Locked rotor torque : 140 %
Breakdown torque : 220 %
4.0
5.0
4
3
2
1
0
Notes:
Performed by Checked
Page 4
5.0
CHARACTERISTIC CURVES RELATED TO SPEED
Three-phase induction motor - Squirrel cage rotor
No.:
Date: 31-DEC-2012
10.0
B - Current related to rated current (I/In)
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
A - Torque related to rated torque (C/Cn)
Customer :
Product line :
0 10 20 30 40 50 60 70 80 90 100
9.0
8.0
7.0
6.0
5.0
A
4.0
B
3.0
2.0
1.0
0.0
Speed related to rated speed (%)
Cooling Tower Motors : High Efficiency - Two Speed
Frame : 182T
Output : 0.75 HP
Frequency : 60 Hz
Full load speed : 875
Voltage : 460 V
Rated current : 1.74 A
Insulation class : F
Notes:
Performed by Checked
Locked rotor current (Il/In) : 3.3
Duty cycle : S1
Service factor : 1.15
Design : A
Locked rotor torque : 140 %
Breakdown torque : 220 %
Page 5
1 2 3 4 5 6 7 8
A
B
C
D
Notes:
E
Performed by:
2E
7.500
B
5.945
K
F
1.969
N-W
2.750
d1
A 4
BF
0.562
2F
4.500
C
14.860
O
9.343
U
1.125
Flange
FD-254
BB
0.203
H
0.406
D
4.500
P
8.740
R
0.984
AJ
10.000
BA
2.750
G
0.720
ES
1.969
AB
7.086
AK
9.000
A
8.661
J
1.890
S
0.250
AA
NPT 1"
BD
11.000
Checked:
Customer:
Cooling Tower Motors : High Efficiency - Two Speed
31-DEC-2012Three-phase induction motor
Frame 182T - IP55
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