
Customer :
Three-phase induction motor - Squirrel cage rotor
No.:
Date: 27-DEC-2012
TECHNICAL PROPOSAL
Product line :
Catalog Number : 02536ET3E284JM-W22
List Price : $3,619
Notes:
Performed by: Checked:
Close Coupled Pump: Three-Phase - W22 "JM" Type - TEFC - NEMA Premium

DATA SHEET
Three-phase induction motor - Squirrel cage rotor
Customer :
Product line :
Frame : 284JM
Output : 25 HP
Frequency : 60 Hz
Poles : 2
Full load speed : 3535
Slip : 1.81 %
Voltage : 208-230/460 V
Rated current : 63.0-57.0/28.5 A
Locked rotor current : 359/180 A
Locked rotor current (Il/In) : 6.3
No-load current : 15.0/7.50 A
Full load torque : 36.6 lb.ft
Locked rotor torque : 200 %
Breakdown torque : 250 %
Design : B
Insulation class : F
Temperature rise : 80 K
Locked rotor time : 17 s (hot)
Service factor : 1.25
Duty cycle : S1
Ambient temperature : -20°C - +40°C
Altitude : 1000
Degree of Protection : IP55
Approximate weight : 362 lb
Moment of inertia : 2.6936 sq.ft.lb
Noise level : 72 dB(A)
Close Coupled Pump: Three-Phase - W22 "JM" Type - TEFC - NEMA Premium
No.:
Date: 27-DEC-2012
D.E. N.D.E. Load Power factor Efficiency (%)
Bearings 6311 C3 6211 C3 100% 0.89 91.7
Regreasing interval 14000 h 17000 h 75% 0.87 91.7
Grease amount 18 g 11 g 50% 0.82 91.0
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
C
A
No.:
Date: 27-DEC-2012
C - Slip D - Current at 230V (A)
1.0
2.0
70
0.7
60
0.6
50
0.5
40
0.4
A - Efficiency (%)
B - Power factor
0 10 20 30 40 50 60 70 80 90 100 110 120 130
Customer :
Product line :
Frame : 284JM
Output : 25 HP
Frequency : 60 Hz
Full load speed : 3535
Voltage : 208-230/460 V
Rated current : 63.0-57.0/28.5 A
Insulation class : F
B
D
Percent of rated output (%)
Close Coupled Pump: Three-Phase - W22 "JM" Type - TEFC - NEMA Premium
3.0
4.0
5.0
80
60
40
20
0
Locked rotor current (Il/In) : 6.3
Duty cycle : S1
Service factor : 1.25
Design : B
Locked rotor torque : 200 %
Breakdown torque : 250 %
Notes:
Performed by Checked

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
9.0
8.0
7.0
B
A
6.0
5.0
4.0
3.0
2.0
1.0
0.0
Speed related to rated speed (%)
Close Coupled Pump: Three-Phase - W22 "JM" Type - TEFC - NEMA Premium
Frame : 284JM
Output : 25 HP
Frequency : 60 Hz
Full load speed : 3535
Voltage : 208-230/460 V
Rated current : 63.0-57.0/28.5 A
Insulation class : F
Notes:
Performed by Checked
Locked rotor current (Il/In) : 6.3
Duty cycle : S1
Service factor : 1.25
Design : B
Locked rotor torque : 200 %
Breakdown torque : 250 %

1 2 3 4 5 6 7 8
A
B
C
D
Notes:
E
2E
11.000
2F
9.500
G
1.023
AA
F
NPT 1 1/2"
EM
1.375
t2
1.496
BD
13.593
J
3.110
K
2.874
O
14.067
ER
5.250
EL
1.750
C
27.165
BF
UNC 5/8"x11
A
13.780
B
11.575
T
2.087
EQ
0.630
EP
2.163
Flange
FC-279
BB
0.248
P
14.173
BA
4.750
HD
16.154
ET
3.006
ES
2.480
AJ
11.000
BC
---
AB
10.984
D
7.000
H
0.531
U
1.249
t1
0.984
AK
12.500
AH
5.250
Performed by:
Checked:
Customer:
Close Coupled Pump: Three-Phase - W22 "JM" Type - TEFC - NEMA Premium
27-DEC-2012Three-phase induction motor
Frame 284JM - IP55