Page 1
Customer :
Three-phase induction motor - Squirrel cage rotor
No.:
Date: 27-DEC-2012
TECHNICAL PROPOSAL
Product line :
Catalog Number : 12512XT3G445T
List Price : $21,537
Notes:
Performed by: Checked:
Three-Phase : Explosion Proof - NEMA Premium
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 : 460 V
Rated current : 150 A
Locked rotor current : 1110 A
Locked rotor current (Il/In) : 7.4
No-load current : 65.0 A
Full load torque : 547 lb.ft
Locked rotor torque : 230 %
Breakdown torque : 240 %
Design : B
Insulation class : F
Temperature rise : 80 K
Locked rotor time : 41 s (hot)
Service factor : 1.15
Duty cycle : S1
Ambient temperature : -20°C - +40°C
Altitude : 1000
Degree of Protection : IP54
Approximate weight : 2293 lb
Moment of inertia : 103.62 sq.ft.lb
Noise level : 70 dB(A)
Three-Phase : Explosion Proof - NEMA Premium
No.:
Date: 27-DEC-2012
D.E. N.D.E. Load Power factor Efficiency (%)
Bearings 6219 C3 6316 C3 100% 0.82 95.0
Regreasing interval 12202 h 12823 h 75% 0.76 95.0
Grease amount 27 g 34 g 50% 0.67 94.5
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: 27-DEC-2012
C - Slip D - Current at 460V (A)
1.0
2.0
3.0
4.0
5.0
160
120
A - Efficiency (%)
B - Power factor
0 10 20 30 40 50 60 70 80 90 100 110 120 130
Customer :
Product line :
Frame : 444/5T
Output : 125 HP
Frequency : 60 Hz
Full load speed : 1185
Voltage : 460 V
Rated current : 150 A
Insulation class : F
Notes:
Three-Phase : Explosion Proof - NEMA Premium
D
Percent of rated output (%)
Locked rotor current (Il/In) : 7.4
Duty cycle : S1
Service factor : 1.15
Design : B
Locked rotor torque : 230 %
Breakdown torque : 240 %
80
40
0
Performed by Checked
Page 4
5.0
CHARACTERISTIC CURVES RELATED TO SPEED
Three-phase induction motor - Squirrel cage rotor
No.:
Date: 27-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 (%)
Three-Phase : Explosion Proof - NEMA Premium
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 : 460 V
Rated current : 150 A
Insulation class : F
Notes:
Performed by Checked
Locked rotor current (Il/In) : 7.4
Duty cycle : S1
Service factor : 1.15
Design : B
Locked rotor torque : 230 %
Breakdown torque : 240 %
Page 5
1 2 3 4 5 6 7 8
A
B
C
D
Notes:
E
2E
18.000
J
3.937
depth
0.875
AB
F
21.732
H
0.807
T
3.543
BF
0.828
A
21.929
FBA
11.769/13.769
S
0.875
D
11.000
C
43.797
Flange
FD-508
BB
0.203
2F
14.500/16.500
K
5.591
N-W
8.500
G
1.630
AA
2XNPT 3"
AJ
20.000
B
20.079
P
24.016
U
3.375
O
23.622
d1
DUNC 3/4"-10
AK
18.000
BA
7.500
ES
7.087
R
2.880
HD
27.165
d2
DUNC 3/4"-10
BD
21.656
Performed by:
Checked:
Customer:
Three-Phase : Explosion Proof - NEMA Premium
27-DEC-2012Three-phase induction motor
Frame 444/5T - IP54
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