Page 1
Customer :
Three-phase induction motor - Squirrel cage rotor
No.:
Date: 17-DEC-2012
TECHNICAL PROPOSAL
Product line :
Catalog Number : 12512ET3E445T-W22
List Price : $17,947
Notes:
Performed by: Checked:
W22 NEMA Premium - Ball Bearings
Page 2
DATA SHEET
Three-phase induction motor - Squirrel cage rotor
Customer :
Product line :
Frame : 444/5T
Output : 125 HP
Frequency : 60 Hz
Poles : 6
Full load speed : 1185
Slip : 1.25 %
Voltage : 208-230/460 V
Rated current : 316-286/143 A
Locked rotor current : 1830/915 A
Locked rotor current (Il/In) : 6.4
No-load current : 112/56.0 A
Full load torque : 547 lb.ft
Locked rotor torque : 210 %
Breakdown torque : 240 %
Design : B
Insulation class : F
Temperature rise : 80 K
Locked rotor time : 19 s (hot)
Service factor : 1.15
Duty cycle : S1
Ambient temperature : -20°C - +40°C
Altitude : 1000
Degree of Protection : IP55
Approximate weight : 1751 lb
Moment of inertia : 103.62 sq.ft.lb
Noise level : 69 dB(A)
W22 NEMA Premium - Ball Bearings
No.:
Date: 17-DEC-2012
D.E. N.D.E. Load Power factor Efficiency (%)
Bearings 6319 C3 6316 C3 100% 0.83 95.0
Regreasing interval 13000 h 16000 h 75% 0.79 95.4
Grease amount 45 g 34 g 50% 0.70 95.0
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
0.9
80
0.8
70
0.7
60
0.6
50
0.5
40
0.4
C
A
B
No.:
Date: 17-DEC-2012
C - Slip D - Current at 230V (A)
1.0
2.0
3.0
4.0
5.0
400
300
D
A - Efficiency (%)
B - Power factor
0 10 20 30 40 50 60 70 80 90 100 110 120 130
Percent of rated output (%)
Customer :
Product line :
Frame : 444/5T
Output : 125 HP
Frequency : 60 Hz
Full load speed : 1185
Voltage : 208-230/460 V
Rated current : 316-286/143 A
Insulation class : F
Notes:
W22 NEMA Premium - Ball Bearings
200
100
0
Locked rotor current (Il/In) : 6.4
Duty cycle : S1
Service factor : 1.15
Design : B
Locked rotor torque : 210 %
Breakdown torque : 240 %
Performed by Checked
Page 4
5.0
CHARACTERISTIC CURVES RELATED TO SPEED
Three-phase induction motor - Squirrel cage rotor
No.:
Date: 17-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
Speed related to rated speed (%)
W22 NEMA Premium - Ball Bearings
9.0
8.0
7.0
6.0
5.0
A
4.0
3.0
2.0
1.0
0.0
Frame : 444/5T
Output : 125 HP
Frequency : 60 Hz
Full load speed : 1185
Voltage : 208-230/460 V
Rated current : 316-286/143 A
Insulation class : F
Notes:
Performed by Checked
Locked rotor current (Il/In) : 6.4
Duty cycle : S1
Service factor : 1.15
Design : B
Locked rotor torque : 210 %
Breakdown torque : 240 %
Page 5
1 2 3 4 5 6 7 8
A
B
C
D
E
F
2E
18.000
2F
14.500/16.500
N-W
8.500
D
11.000
HH
15.748
LM
12.244
AJ
20.000
J
3.937
K
5.866
ES
7.087
G
1.630
HK
6.024
AA
2XNPT 3"
AK
18.000
A
21.929
B
20.315
S
0.875
HB
5.394
H
0.810
d1
DUNC 3/4"-10
BD
21.65
P
23.583
BA
7.500
R
2.880
O
22.795
C
44.950
d2
DUNC 3/4"-10
BF
0.828
AB
18.569
U
3.375
depth
0.875
T
4.567
LL
12.362
Flange
FD-508
BB
0.203
Notes:
Performed by:
Checked:
Customer:
W22 NEMA Premium - Ball Bearings
17-DEC-2012Three-phase induction motor
Frame 444/5T - IP55
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