Industrial Electrical Motors


 

TYPICAL MOTOR DATA FOR ALL MOTORS REGARDLESS OF SIZE


Manufacturer
Mark or Item Number
Quantity
Model/Size
Frame Number
Horsepower, hp (at each speed)
Rated Voltage, V
Service Factor
Rated Ambient Temperature, degC:
Enclosure Type (TEFC, WPI, WPII, TENV)
Type (1-speed, 2-speed single-winding, other):
Full Load Speed, rpm
Full Load Current, A
Locked Rotor Current, A
Space Heaters, W (If specified)
Net Weight, lb
Full Load Torque in lb-ft
Mounting Arrangement
Description of Insulation System
Insulation Class (B,F,H)
Temperature Rise (B,F) at (1.0 service factor)
Bearing Type
P.F.-Full Load 
Efficiency-Full Load, %
Locked Rotor Code Letter
Thrust — Vertical Motors
Load Thrust Requirement (lb)
Motor Thrust Bearing Rating (lb)
 

 

MOTOR DATA FOR MOTORS GREATER THAN 100 HP (AT 50%, 75% and 100% LOAD)

 

Efficiency  
Power Factor  
Starting Torque, % Fl
Pull-Out Torque, % Fl

Permissible Starts Per Hr With
Motor at Ambient Temperature
Motor at Rated Total Temperature
Description of Insulation System
Full Load Temperature Rise
Insulation Class (B,F,H)

Acceleration Time, Fully Loaded
With 100% V, s
With 80% V, s
With % V, s


Safe Stall Time at 100% Voltage, s
WK2 of Rotor, lb-ft2
Sound Level, dB
Short Circuit AC Time Constant, s
X/R Ratio
Winding Temperature Device, type
Minimum Starting Voltage Required

 

 

LOW VOLTAGE MOTOR SUPPLIERS

  • Baldor Electric
  • GE
  • Reliance Electric
  • Siemens
  • U.S. Motors
  • Marathon
  • Toshiba
  • ABB

MEDIUM VOLTAGE MOTOR SUPPLIERS

  • GE
  • Siemens
  • Reliance
  • ABB
  • Alstom
  • Hitachi
  • US Motors
  • Hyundai
  • Toshiba
  • Electric Machinery
  • Louis Allis