GE
Product Information Packet
November 8, 2016
Model Number:
5KS256STE204A
Catalog Number:
M7531
Instruction Manual:
GEI-M1031
Connection Diagram:
GEM2034E-FIG7
Outline Drawing:
358B6272AB
Accessory Connection Diagrams
Bearing Thermocouple:
None
Heater:
None
RTD:
None
Thermistor:
None
Thermostat:
None
Winding Thermocouple:
None
Bearing RTD:
None
Table of Contents
Specification
01
Performance Characteristics
02
Outline Drawing
03
Connection Drawing(s)
04
Power Conversion
Data shown is for the current revision model #. Ensure your nameplate model # matches.
Model Number:5KS256STE204A
November 8, 2016
Marks:
MODEL NUMBER:
5KS256STE204A
Estimated Weight:
321 Lbs
Outline Drawing:
358B6272AB
Time Rating:
CONT
Connection Diagram:
GEM2034E-FIG7
Enclosure:
TEFC
Instruction Book:
GEI-M1031
Encl Construction:
SD
Design Code:
25AD1015B
Ambient Max(°C):
40
Type:
KS
Alt Ambient Max(°C):
--
Frame:
256T
Insulation Class:
F
Phases:
3
NEMA Design:
A
Poles:
4
Nominal Efficiency:
93.0 %
Output Power:
20HP 14.8KW
Guaranteed Efficiency:
91.7
RPM:
1760
3/4 Load Efficiency:
93.4
Voltage:
575
KVA Code:
G
Hertz:
60
Max KVAR:
5.4
Amps - FL:
19.0
Power Factor:
85.0
Service Factor:
1.15
Bearing - DE:
6310ZZ
Alt Service Factor:
--
Bearing - ODE:
6208ZZ
Enclosure is Totally Enclosed Fan-Cooled
Stamped Nameplate Notes:
Additional Information:
4 POLE, TEFC, LRA: 123.2 AMPS
SOUND POWER : 84 DBA
GREASE: SHELL ALVANIA R3 LITHIUM GREASE
NO. OF MOTOR LEADS: 3
CONDUIT BOX VOLUME (CU IN): 100.5
CONDUIT BOX MATERIAL: CAST IRON
SUITABLE FOR USE IN CLASS I DIVISION 2 LOCATIONS
CLASS I DIVISION 2 GROUPS A,B,C,D T3C
CLASS I ZONE 2 IIC T3C
Page | 1
Model Number:5KS256STE204A
November 8, 2016
Performance Characteristics
1st Winding 1st Connection
Design: 25AD1015B
Marks:
LOAD %
125.0
115.0
100.0
75.0
50.0
25.0
0.0
% EFF
92.07
92.47
93.16
93.42
93.07
89.93
0.00
% PF
85.49
85.22
84.32
80.84
72.28
51.05
5.38
AMPS
23.78
21.85
19.06
14.87
11.13
8.15
6.67
TORQ(FL)#FT
59.45
TORQ(LR)%FL
305.82
TORQ(BD)%FL
279.3
AMPS(LR)
135.49
PF AT START
0.45
This motor is capable of two cold or one hot start with a maximum connected load inertia of 736 Lb-Ft Sq (30.99 Kg-meter
Sq)at 100% voltage, where the load torque varies with the square of the speed. Acceleration time with maximum inertia
and the above load type is 34 seconds. Safe stall time at 100% voltage is 58 seconds cold, 43 seconds hot. Rotor inertia
is 2.39 Lb-Ft Sq (0.1 Kg-meter Sq).
Open Circuit A-C:
0.398
Short Circuit D-C:
0.016
Short Circuit A-C:
0.017
X/R Ratio:
6.174
Stator Slots:
48
Rotor Slots:
40
Page | 2
Model Number: 5KS256STE204A
November 8, 2016
Marks:
Model Number: 5KS256STE204A
November 8, 2016
Marks:
Connection Diagram
GEM2034E-FIG7
Page | 4
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