Gearless DC Machines
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Quiet Operation, heavy-duty construction, and extreme reliability have confirmed the Imperial Electric Gearless DC Machines to be a favorite in the industry. Our Frame 590 series features precise acceleration, deceleration, and contract speed control. With low noise and cooler operations, this highly efficient unit is also eco-friendly, with no oil lubricant needed. This series is UL/CSA CUS Certified and is a direct drive DC gearless replacement. Models available: 591, 593, 596, 598.

Applications: 

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

Specifications: 

  • 50,000 lbs. sheave shaft load, 25,000 lbs. suspended load  
  • 1:1 or 2:1 roping  
  • U-groove for double wrap traction or V-groove for single wrap traction  
  • Up to 3/4-inch rope diameter  
  • 1000 fpm (5 m/s) for up to 4,500 lbs. (2,036 kg) car capacity for 1:1 roped applications  
  • 500 fpm (2.5 m/s) for up to 8,500 lbs. (3,864 kg) car capacity for 2:1 roped applications  
  • 26-, 30- and 33-inch drive sheave 

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Notice


Frame 590 Series Basic Ratings

IMPERIAL
FRAME SIZE
RATED
TORQUE
(FT-LB)
WK²
ARMATURE
& 26 INCH
SHEAVE
(LB-FT²)

ARMATURE
VOLTS PER
RPM
(V/RPM)

ARMATURE
AMPS
(A)

ARMATURE
RESISTANCE
HOT
(Ω)
ARMATURE
CIRCUIT
INDUCTANCE
(℧⁻³)
591 1,725 1,149 1,346 180 0.117 7.17
593 2,300 1,232 1,790 180 0.132 9.56
595 2,875 1,315 2,236 180 0.138 11.79
593 3,250 1,438 2,915 180 0.146 15.53

Frame 590 Series Basic Ratings (Cont.)

IMPERIAL
FRAME SIZE
FIELD
VOLTAGE
(V)
FIELD AMPS
(A)
FIELD
RESISTANCE
(Ω)
L/R FIELD
TIME
CONSTANT
(S)

TOTAL
WEIGHT
(LBS.)

591 195 8.35 23.41 0.94 6,579
593 183 10.50 17.40 1.08 7,467
595 195 11.0 17.73 1.16 8,358
593 1500 13.20 15.02 1.29 9,759