
Customer :
Three-phase induction motor - Squirrel cage rotor
No.:
Date: 31-DEC-2012
TECHNICAL PROPOSAL
Product line :
Catalog Number : 00118ET3PCT143T
List Price : $647
Notes:
Performed by: Checked:
Cooling Tower Motors : NEMA Premium

DATA SHEET
Three-phase induction motor - Squirrel cage rotor
Customer :
Product line :
Frame : 143T
Output : 1 HP
Frequency : 60 Hz
Poles : 4
Full load speed : 1765
Slip : 1.94 %
Voltage : 200 V
Rated current : 3.28 A
Locked rotor current : 28.8 A
Locked rotor current (Il/In) : 8.8
No-load current : 1.96 A
Full load torque : 2.94 lb.ft
Locked rotor torque : 290 %
Breakdown torque : 400 %
Design : B
Insulation class : F
Temperature rise : 80 K
Locked rotor time : 20 s (hot)
Service factor : 1.25
Duty cycle : S1
Ambient temperature : -20°C - +40°C
Altitude : 1000
Degree of Protection : IP55
Approximate weight : 51 lb
Moment of inertia : 0.11960 sq.ft.lb
Noise level : 51 dB(A)
Cooling Tower Motors : NEMA Premium
No.:
Date: 31-DEC-2012
D.E. N.D.E. Load Power factor Efficiency (%)
Bearings 6205 2RS 6204 2RS 100% 0.77 85.5
Regreasing interval --- --- 75% 0.71 84.0
Grease amount --- --- 50% 0.58 80.0
Notes:
Performed by Checked

PERFORMANCE CURVES RELATED TO RATED OUTPUT
Three-phase induction motor - Squirrel cage rotor
100
1.0 0.0
C
90
0.9
80
70
60
50
40
0.8
0.7
0.6
0.5
0.4
A
B
No.:
Date: 31-DEC-2012
C - Slip D - Current at 200V (A)
1.0
2.0
3.0
4.0
5.0
4
3
A - Efficiency (%)
B - Power factor
0 10 20 30 40 50 60 70 80 90 100 110 120 130
Customer :
Product line :
Frame : 143T
Output : 1 HP
Frequency : 60 Hz
Full load speed : 1765
Voltage : 200 V
Rated current : 3.28 A
Insulation class : F
Notes:
Cooling Tower Motors : NEMA Premium
D
Percent of rated output (%)
Locked rotor current (Il/In) : 8.8
Duty cycle : S1
Service factor : 1.25
Design : B
Locked rotor torque : 290 %
Breakdown torque : 400 %
2
1
0
Performed by Checked

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
B
A
Speed related to rated speed (%)
Cooling Tower Motors : NEMA Premium
9.0
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0.0
Frame : 143T
Output : 1 HP
Frequency : 60 Hz
Full load speed : 1765
Voltage : 200 V
Rated current : 3.28 A
Insulation class : F
Notes:
Performed by Checked
Locked rotor current (Il/In) : 8.8
Duty cycle : S1
Service factor : 1.25
Design : B
Locked rotor torque : 290 %
Breakdown torque : 400 %

1 2 3 4 5 6 7 8
A
B
C
D
Notes:
E
Performed by:
2E
5.500
B
5.157
K
F
1.654
N-W
2.250
d1
A 4
BF
0.562
2F
4.000
C
12.346
O
7.000
U
0.875
Flange
FD-254
BB
0.203
H
0.344
D
3.500
P
7.047
R
0.765
AJ
10.000
BA
2.250
G
0.547
ES
1.575
AB
6.102
AK
9.000
A
6.457
J
1.496
S
0.187
AA
NPT 3/4"
BD
11.000
Checked:
Customer:
Cooling Tower Motors : NEMA Premium
31-DEC-2012Three-phase induction motor
Frame 143T - IP55