Page 1
Customer :
Three-phase induction motor - Squirrel cage rotor
No.:
Date: 27-DEC-2012
TECHNICAL PROPOSAL
Product line :
Catalog Number : 02518EP3E284HP
List Price : $3,451
Notes:
Performed by: Checked:
P-Base Motors : High Efficiency
Page 2
DATA SHEET
Three-phase induction motor - Squirrel cage rotor
Customer :
Product line :
Frame : 284HP
Output : 25 HP
Frequency : 60 Hz
Poles : 4
Full load speed : 1760
Slip : 2.22 %
Voltage : 208-230/460 V
Rated current : 65.5-59.2/29.6 A
Locked rotor current : 361/181 A
Locked rotor current (Il/In) : 6.1
No-load current : 18.8/9.40 A
Full load torque : 73.6 lb.ft
Locked rotor torque : 230 %
Breakdown torque : 250 %
Design : B
Insulation class : F
Temperature rise : 80 K
Locked rotor time : 30 s (hot)
Service factor : 1.25
Duty cycle : S1
Ambient temperature : -20°C - +40°C
Altitude : 1000
Degree of Protection : IP55
Approximate weight : 447 lb
Moment of inertia : 4.7491 sq.ft.lb
Noise level : 68 dB(A)
P-Base Motors : High Efficiency
No.:
Date: 27-DEC-2012
D.E. N.D.E. Load Power factor Efficiency (%)
Bearings 6312 C3 6211 C3 100% 0.85 92.4
Regreasing interval 10000 h 10000 h 75% 0.82 92.4
Grease amount 21 g 11 g 50% 0.74 92.4
Notes:
Performed by Checked
Page 3
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: 27-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 : 284HP
Output : 25 HP
Frequency : 60 Hz
Full load speed : 1760
Voltage : 208-230/460 V
Rated current : 65.5-59.2/29.6 A
Insulation class : F
Notes:
P-Base Motors : High Efficiency
0
Locked rotor current (Il/In) : 6.1
Duty cycle : S1
Service factor : 1.25
Design : B
Locked rotor torque : 230 %
Breakdown torque : 250 %
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 (%)
P-Base Motors : High Efficiency
9.0
8.0
7.0
6.0
A
5.0
4.0
3.0
2.0
1.0
0.0
Frame : 284HP
Output : 25 HP
Frequency : 60 Hz
Full load speed : 1760
Voltage : 208-230/460 V
Rated current : 65.5-59.2/29.6 A
Insulation class : F
Notes:
Performed by Checked
Locked rotor current (Il/In) : 6.1
Duty cycle : S1
Service factor : 1.25
Design : B
Locked rotor torque : 230 %
Breakdown torque : 250 %
Page 5
1 2 3 4 5 6 7 8
A
B
C
D
Notes:
E
Performed by:
Checked:
Customer:
ES
F
1.250
P
14.094
AA
NPT 1 1/2"
BF
0.433
S
0.250
AH
2.750
Flange
FD-254
BB
0.196
EU
0.875
AB
10.866
AJ
9.125
U
1.125
C
26.350
AK
8.250
R
0.984
CH
2.244
BD
10.000
P-Base Motors : High Efficiency
27-DEC-2012Three-phase induction motor
Frame 284HP - IP55
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