Marathon electric motor Catalog U509 Model 286TSTDP4023 NOW OBSOLETE, REPLACED WITH THE NEW MARATHON MOTOR U1055
Nameplate Specifications
Output HP
40 Hp
Output KW
30 kW
Frequency
60 Hz
Voltage
200/400 V
Current
108/54 A
Speed
3525 rpm
Service Factor
1.15
Phases
3
Efficiency
91.7 %
Duty
CONTINUOUS
Insulation Class
B
Design Code
B
KVA Code
G
Frame
286TS
Enclosure
DP
Overload Protector
NOT
Ambient Temperature
50 °C
Drive End Bearing Size
6311
Opp Drive End Bearing Size
6210
UL
No
CSA
Y
CE
Y
IP Code
23
Technical Specifications
Electrical Type
SQ CAGE IND RUN
Starting Method
WYE START DELTA RUN
Poles
2
Rotation
REV
Mounting
RIGID
Motor Orientation
HORIZONTAL
Drive End Bearing
BALL
Opp Drive End Bearing
BALL
Frame Material
CAST IRON
Shaft Type
TS
Overall Length
23.64 in
Frame Length
14.25 in
Shaft Diameter
1.63 in
Shaft Extension
3.45 in
Assembly/Box Mounting
F1/F2 CAPABLE
Red paint on 25 HP through 200 HP
NEMA Design B, Code G or less
Dual voltage motors have 12 leads, suitable for wye-delta or across the line start on either voltage, or part winding start on low voltage
Single voltage motors have 12 leads and are suitable for wye-delta, across the line, or part winding start
Will accept C-Face kits (except as noted), see Accessories section for kits
230/460 and 460 Volt models rated for 50 HZ at next lower HP, 1.15 SF as noted
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