Customer :
Three-phase induction motor - Squirrel cage rotor
No.:
Date: 19-DEC-2012
TECHNICAL PROPOSAL
Product line :
Catalog Number : 05018OT3E326T
List Price : $3,788
Notes:
Performed by: Checked:
Three-Phase : ODP (IP21/IP23) - NEMA Premium Efficiency
DATA SHEET
Three-phase induction motor - Squirrel cage rotor
Customer :
Product line :
Frame : 326T
Output : 50 HP
Frequency : 60 Hz
Poles : 4
Full load speed : 1775
Slip : 1.39 %
Voltage : 208-230/460 V
Rated current : 132-120/59.9 A
Locked rotor current : 755/377 A
Locked rotor current (Il/In) : 6.3
No-load current : 48.0/24.0 A
Full load torque : 146 lb.ft
Locked rotor torque : 240 %
Breakdown torque : 250 %
Design : B
Insulation class : F
Temperature rise : 80 K
Locked rotor time : 12 s (hot)
Service factor : 1.15
Duty cycle : S1
Ambient temperature : -20°C - +40°C
Altitude : 1000
Degree of Protection : IP23
Approximate weight : 564 lb
Moment of inertia : 7.0355 sq.ft.lb
Noise level : 65 dB(A)
Three-Phase : ODP (IP21/IP23) - NEMA Premium Efficiency
No.:
Date: 19-DEC-2012
D.E. N.D.E. Load Power factor Efficiency (%)
Bearings 6312 Z-C3 6212 Z-C3 100% 0.82 94.5
Regreasing interval 20000 h 20000 h 75% 0.79 94.5
Grease amount 21 g 13 g 50% 0.70 94.1
Notes:
Performed by Checked
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: 19-DEC-2012
C - Slip D - Current at 230V (A)
1.0
2.0
3.0
4.0
5.0
160
120
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 : 326T
Output : 50 HP
Frequency : 60 Hz
Full load speed : 1775
Voltage : 208-230/460 V
Rated current : 132-120/59.9 A
Insulation class : F
Notes:
Three-Phase : ODP (IP21/IP23) - NEMA Premium Efficiency
80
40
0
Locked rotor current (Il/In) : 6.3
Duty cycle : S1
Service factor : 1.15
Design : B
Locked rotor torque : 240 %
Breakdown torque : 250 %
Performed by Checked
5.0
CHARACTERISTIC CURVES RELATED TO SPEED
Three-phase induction motor - Squirrel cage rotor
No.:
Date: 19-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 (%)
Three-Phase : ODP (IP21/IP23) - NEMA Premium Efficiency
9.0
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0.0
Frame : 326T
Output : 50 HP
Frequency : 60 Hz
Full load speed : 1775
Voltage : 208-230/460 V
Rated current : 132-120/59.9 A
Insulation class : F
Notes:
Performed by Checked
Locked rotor current (Il/In) : 6.3
Duty cycle : S1
Service factor : 1.15
Design : B
Locked rotor torque : 240 %
Breakdown torque : 250 %
1 2 3 4 5 6 7 8
A
B
C
D
Notes:
E
2E
12.500
J
3.230
S
0.500
O
F
15.551
AB
11.496
Flange
FD-406
BB
0.250
A
15.160
K
3.350
D
8.000
T
2.559
C
27.667
AJ
16.000
2F
12.000
P
15.118
N-W
5.250
HD
18.110
AA
NPT 2"
AK
14.000
B
14.566
ES
3.937
G
1.299
R
1.844
d1
A 4
BD
18.000
BA
5.250
depth
0.500
U
2.125
H
0.656
d2
A 4
BF
0.828
Performed by:
Checked:
Customer:
Three-Phase : ODP (IP21/IP23) - NEMA Premium Efficiency
19-DEC-2012Three-phase induction motor
Frame 326T - IP23
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