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GE
Power Conversion
Product Information Packet
April 30, 2019
Data shown is for the current revision model #. Ensure your nameplate model # matches.
Model Number:
5KS256CWL205
Catalog Number:
E525
Instruction Manual:
GEI-M1049
Connection Diagram:
GEM2034E-FIG9
Outline Drawing:
358B6503AA
Accessory Connection Diagrams
Bearing Thermocouple:
None
Heater:
None
RTD:
None
Thermistor:
None
Thermostat:
3027JE-2A
Winding Thermocouple:
None
Bearing RTD:
None
Table of Contents
Specification
01
Performance Characteristics
02
Outline Drawing
03
Connection Drawing(s)
04
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Model Number:5KS256CWL205
April 30, 2019
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Marks:
MODEL NUMBER:
5KS256CWL205
Estimated Weight:
428 Lbs
Outline Drawing:
358B6503AA
Time Rating:
CONT
Connection Diagram:
GEM2034E-FIG9
Enclosure:
TEFC
Instruction Book:
GEI-M1049
Encl Construction:
XP
Design Code:
NA
Ambient Max(°C):
40
Type:
KS
Alt Ambient Max(°C):
55
Frame:
256T
Insulation Class:
F
Phases:
3
NEMA Design:
B
Poles:
4
Nominal Efficiency:
93.0 %
Output Power:
20HP 14.8KW
Guaranteed Efficiency:
91.7 %
RPM:
1770
3/4 Load Efficiency:
93.0 %
Voltage:
230/460
KVA Code:
G
Hertz:
60
Max KVAR:
5.3
Amps - FL:
45.2/22.6
Power Factor:
89.5%
Service Factor:
1.15
Bearing - DE:
6309-C3
Alt Service Factor:
1.0
Bearing - ODE:
6309-C3
Enclosure is Totally Enclosed Fan-Cooled
Stamped Nameplate Notes:
Additional Information:
THERMOSTAT FOR: TRIP 145+/-5 DEG C
THERMOSTAT LEADS: 3 NC TO TERMINATE IN MAIN CB
ROTATION:CCW VIEWED FROM ODE
CLASS /GAS GROUP:CL I GR C and D, CLASS II GR F and G
CBOX SIZE:291 CU INCH
INVERTER DUTY PER NEMA MG1 PART 31
INVERTER RATED PWM 10:1 VARIABLE TORQUE, 5:1 CONSTANT TORQUE, 1.0 SF
UL CERTIFICATION SUITABLE FOR INSTALLATION IN –
- THE UNITED STATES, NIGERIA AND KUWAIT
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Model Number:5KS256CWL205
April 30, 2019
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Performance Characteristic:
LOAD %
125.0
115.0
100.0
75.0
50.0
25.0
0.0
% EFF
91.09
91.51
93.00
93.00
92.89
91.25
0.00
% PF
91.0
91.0
89.5
88.7
82.7
63.6
22.3
AMPS(460V)
28.4
26.0
22.6
17.1
12.3
8.1
3.3
TORQUE(FL) LB-FT
60.28
TORQUE(LR)%FL
186.0
TORQUE(BD)%FL
263.8
AMPS(LR 460V)
144.2
PF AT START
0.39%
Other Useful Information for Application:
Rotor Inertia: Lb-Ft2 (Kg-m2):
4.27(0.18)
Max load inertia: Lb-Ft2 (Kg-m2):
99(4.2)
Load Type:
Square Torque/Speed Characteristic
Voltage:
100%
Number of starts per hour:
2 Cold or 1 Hot
Acceleration Time with maximum inertia (sec):
4.1
Safe stall time (sec): Cold/Hot
35/10
256T, 4P, 20HP/15kW, 460V, 60Hz
Current vs Slip Curve and Torque vs Slip Curve
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
00.20.40.60.81
Slip（pu）
Current(A)
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
Torque(lb-ft)
Current
Torque
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Model Number: 5KS256CWL205
April 30, 2019
Marks:
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Model Number: 5KS256CWL205
April 30, 2019
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Marks:
Connection Diagram
Thermostat Connection
GEM2034E-FIG9
3027JE-2A
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