Customer :
Three-phase induction motor - Squirrel cage rotor
No.:
Date: 17-DEC-2012
TECHNICAL PROPOSAL
Product line :
Catalog Number : 02012ET3E286T-W22
List Price : $3,962
Notes:
Performed by: Checked:
W22 NEMA Premium - Ball Bearings
DATA SHEET
Three-phase induction motor - Squirrel cage rotor
Customer :
Product line :
Frame : 286T
Output : 20 HP
Frequency : 60 Hz
Poles : 6
Full load speed : 1175
Slip : 2.08 %
Voltage : 208-230/460 V
Rated current : 53.5-48.4/24.2 A
Locked rotor current : 300/150 A
Locked rotor current (Il/In) : 6.2
No-load current : 19.0/9.50 A
Full load torque : 88.2 lb.ft
Locked rotor torque : 230 %
Breakdown torque : 260 %
Design : B
Insulation class : F
Temperature rise : 80 K
Locked rotor time : 16 s (hot)
Service factor : 1.25
Duty cycle : S1
Ambient temperature : -20°C - +40°C
Altitude : 1000
Degree of Protection : IP55
Approximate weight : 426 lb
Moment of inertia : 9.1624 sq.ft.lb
Noise level : 59 dB(A)
W22 NEMA Premium - Ball Bearings
No.:
Date: 17-DEC-2012
D.E. N.D.E. Load Power factor Efficiency (%)
Bearings 6311 C3 6211 C3 100% 0.85 91.7
Regreasing interval 20000 h 20000 h 75% 0.80 91.7
Grease amount 18 g 11 g 50% 0.70 91.0
Notes:
Performed by Checked
PERFORMANCE CURVES RELATED TO RATED OUTPUT
Three-phase induction motor - Squirrel cage rotor
100
1.0 0.0
C
90
80
70
60
50
40
0.9
0.8
0.7
0.6
0.5
0.4
A
B
D
No.:
Date: 17-DEC-2012
C - Slip D - Current at 230V (A)
1.0
2.0
3.0
4.0
5.0
80
60
40
20
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 : 286T
Output : 20 HP
Frequency : 60 Hz
Full load speed : 1175
Voltage : 208-230/460 V
Rated current : 53.5-48.4/24.2 A
Insulation class : F
Notes:
W22 NEMA Premium - Ball Bearings
0
Locked rotor current (Il/In) : 6.2
Duty cycle : S1
Service factor : 1.25
Design : B
Locked rotor torque : 230 %
Breakdown torque : 260 %
Performed by Checked
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
A
5.0
4.0
3.0
2.0
1.0
0.0
Frame : 286T
Output : 20 HP
Frequency : 60 Hz
Full load speed : 1175
Voltage : 208-230/460 V
Rated current : 53.5-48.4/24.2 A
Insulation class : F
Notes:
Performed by Checked
Locked rotor current (Il/In) : 6.2
Duty cycle : S1
Service factor : 1.25
Design : B
Locked rotor torque : 230 %
Breakdown torque : 260 %
1 2 3 4 5 6 7 8
A
B
C
D
Notes:
E
F
2E
11.000
2F
11.000
N-W
4.622
D
7.000
HF
7.000
LL
7.795
Flange
FD-317
BB
0.203
J
3.110
K
2.874
ES
3.149
G
1.023
HH
10.250
LM
7.402
AJ
12.500
A
13.780
B
13.071
S
0.500
HB
3.535
HK
3.937
AA
NPT 1 1/2"
AK
11.000
P
14.173
BA
4.750
R
1.594
O
14.067
H
0.531
d1
A 4
BD
14.00
AB
10.984
U
1.875
depth
0.500
T
2.087
C
27.929
d2
A 4
BF
0.828
Performed by:
Checked:
Customer:
W22 NEMA Premium - Ball Bearings
17-DEC-2012Three-phase induction motor
Frame 286T - IP55
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