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Imperial Electric Elevator Traction Machines Brochure

Imperial Electric Elevator Motors Brochure

 

Double Wrap

Quiet operation, heavy duty construction, and extreme reliability have confirmed the Imperial Electric Gearless DC Machines to be a favorite in the industry.

Models available:
591, 593, 596, and 598.

Specifications:

  • 64,000 pound sheave shaft load, 32,000 pound suspended load
  • 1:1 or 2:1 roping
  • U-groove for double wrap traction
  • Up to 3/4" rope diameter
  • 1000 foot per minute (5 m/s) for up to 4,500 pound (2,036 kg) car capacity for 1:1 roped applications
  • 500 foot per minute (2.5 m/s) for up to 8,500 pound (3,864 kg) car capacity for 2:1 roped applications
  • Drive Sheave is 26, 30 and 33" diameter

Features:

  • Precise acceleration, deceleration, and contract speed control
  • Low noise
  • Highly efficient
  • Green - no oil lubricants
  • Direct drive DC gearless replacement
  • Cooler operation
  • UL/CSA CUS Certified

Applications:

  • Modernization
  • 1:1 or 2:1 roped installations
  • High rise or heavy load
  • Overhead, Basement and Sidepull Applications

Typical Rating Requirements:
Roping 2:1 1:1
Counter Weight (%) 40 40
Acceleration Rate (Ft/s²) 4 4
Live Loads (Lb) 2,000 to 8,500 2,000 to 4,500
Speeds (F.P.M.) 400 to 700 500 to 1000
Total Suspended Weight (Lb) 15.400 to 32,000 15.400 to 19,000

Sheave Data:
Diamter (In) WK² (Lb-Ft²)
26 762
30 1012
33 1332

Frame 590 Series Basic Ratings:
Imperial Frame Size Rated Torque
(Ft-Lb)
WK² Armature & 26" Sheave
(Lb-Ft²)
Armature Volts per RPM
(V/RPM)
Armature Amps
(A)
Armature Resistance Hot
(Ω)
Armature Circuit Inductance
(℧-³)
Field Voltage
(V)
Field Amps
(A)
Field Resistance
(Ω)
L/R Field Time Constant
(S)
Total Weight (lbs.)
591 1,725 1,149 1.346 180 0.117 7.17 195 8.35 23.41 0.94 6,579
593 2,300 1,232 1.790 180 0.132 9.56 183 10.50 17.40 1.08 7,467
596 2,875 1,315 2.236 180 0.138 11.79 195 11.00 17.73 1.16 8,358
598 3,250 1,438 2.915 180 0.146 15.53 198 13.20 15.02 1.29 9,759