Marathon Electric H187B, 7 1/2 Hp, 900 Rpm, 256T FR, 230/460 Vac, 3 PH, Dripproof, Rigid Base, General Purpose, No Over Load, 256TTDN16101.

H187B, 7 1/2 Hp, 900 Rpm, 256T FR, 230/460 Vac, 3 PH, Dripproof, Rigid Base, General Purpose, No Over Load, 256TTDN16101.

Engineering Data

Nameplate Specifications

Output HP  7.5 Hp
Output KW  5.6 kW
Frequency  60 Hz
Voltage  230/460 V
Current  23/11.5 A
Speed  875 rpm
Service Factor  1.15
Phases  3
Efficiency  89.5 %
Duty  CONTINUOUS
Insulation Class  F
Design Code  B
KVA Code  F
Frame  256T
Enclosure  DP
Overload Protector  NOT
Ambient Temperature  40 °C
Drive End Bearing Size  6309
Opp Drive End Bearing Size  6208
UL  Recognized
CSA  Y
CE  Y
IP Code  22

Technical Specifications

Electrical Type  SQ CAGE IND RUN
Starting Method  ACROSS THE LINE
Poles  8
Rotation  REV
Mounting  RIGID
Motor Orientation  HORIZONTAL
Drive End Bearing  BALL
Opp Drive End Bearing  BALL
Frame Material  CAST IRON
Shaft Type  T
Overall Length  24.37 in
Frame Length  14.25 in
Shaft Diameter   1.63 in
Shaft Extension   4.19 in
Assembly/Box Mounting F1/F2 CAPABLE