Unlike traditional induction motors that lose efficiency at lower speeds, Imperial Electric gearless AC machines provide unusually capable low speed, high torque operation -and consume up to 40% less power than traditional asynchronous motors. Imperial Electric gearless AC machines are also noticeably quieter than the competition and are nearly maintenance-free.
With a compact, sleek design and extreme reliability, it is no wonder that the Imperial Electric Gearless ACPM Machines are a favorite in the industry. All models are UL/CSA CUS Certified.
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ACPM 450 Series - Single Wrap for Machine Room or for Machine Room Less (MRL) Applications
This series features a smaller diameter, lighter weight, and with all of the power you need. Our ACPM 450 Series, a “Barrel” style machine, is compact and green with no oil lubricants and is low-noise. Notably, the 450 series offers precise acceleration, deceleration, and contract speed control with cooler overall operation. These Barrel style machines are for new construction, machine room less (MRL), or for modernizing geared machine replacements.
Specifications:
- 3,500 lbs. 1:1 roped
- 2,000 to 5,000 lbs. capacity, 2:1 roped for Machine Room or for Machine Room Less (MRL) Applications
- 2,500 lbs. capacity 1:1 roped, with 20 inch sheave for 1/2 ropes
- V-groove, 17 inch or 20 inch sheave diameter
- Up to 8 – 10 mm ropes or 6 – 1/2 inch ropes
- Sheave Shaft Load 20,000 lbs.
- Overhead Application Only
- M/C Weight: 2200 lbs
- Manual brake release available
- 451, 453 8-10 mm
- 455 10-10 mm
- Dual independent brake system holds 125% rated capacity
Duty TablesFrame 450 Series 1:1 Duty Table
FPM 200 250 300 350
400 500 Freq. (Hz) 7.4 9.2 11 12.9 14.7 18.4 RPM 38 48 57 67 76 95 Capacity HP Amps HP Amps HP Amps HP Amps HP Amps HP Amps 1500 5.1 16 6.3 16 7.6 16 8.8 16 10.1 16 11.4 26 2000 6.7 23 8.4 23 10.1 23 11.8 23 13.5 23 16.8 35 2500 8.4 29 10.5 29 12.6 29 14.7 29 16.8 29 21 43 3000 10.1 19 12.6 27 15.2 27 17.7 27 20.2 35 25.3 35 3500 11.8 22 14.7 31 17.7 31 20.6 31 23.6 41 29.5 41 Model 450-LS All specifications at 50% Counterweight. Consult Imperial Electric for
40% and 45% counterweighting data.Frame 450 Series 2:1 Duty Table for Machine Room or for Machine Room Less (MRL) Applications
FPM 200 250 300 350
400 500 Freq. (Hz) 14.7 18.4 22.1 25.7 29.4 36.8 RPM 88 110 132 154 176 221 Capacity HP Amps HP Amps HP Amps HP Amps HP Amps HP Amps 1500 5.3 9 6.7 14 8 14 9.4 14 10.7 19 13.4 19 2000 7.1 11 8.9 18 10.7 18 12.5 18 14.3 26 17.8 26 2500 8.9 14 11.1 23 13.4 23 15.6 23 17.8 32 22.3 32 3000 10.7 17 13.4 27 16 27 18.7 27 21.4 38 26.7 38 3500 12.5 20 15.6 32 18.7 32 21.8 32 25 45 31.2 45 4000 14.3 25 17.8 37 21.4 37 25 37 28.5 51 35.7 51 4500 16 28 20.1 41 24.1 41 28.1 41 32.1 57 40.1 57 5000 17.8 31 22.3 46 26.7 46 31.2 46 35.7 64 44.6 64 Model 450-LS All specifications at 50% Counterweight. Consult Imperial Electric for
40% and 45% counterweighting data. -
ACPM 460 Series - Single Wrap for Machine Room or for Machine Room Less (MRL) Applications
Specifications:
- Up to 3,500 lbs. capacity up to 400 fpm - 2:1
- Up to 7 - 10mm ropes
- Sheave diameter is 15.75 inch-469, 17.32 inch-503
- Sheave shaft load: 8000 lbs-469
- Machine weight:
- 469: 1,060 lbs. - Dual independent brake system holds 125% rated capacity
- Overhead MRL application only
Duty TablesFrame 460 Series 2:1 Duty Table for Machine Room or for Machine Room Less (MRL) Applications
FPM 150 200 250 300
350 400 Freq. (Hz) 19.4 25.9 32.3 38.8 45.3 51.7 RPM 73 97 121 146 170 194 Capacity HP Amps HP Amps HP Amps HP Amps HP Amps HP Amps 2000 5.3 14.5 7.1 14.5 8.9 14.5 10.7 20 12.5 20 14.3 23.2 2500 6.7 18.2 8.9 18.2 11.1 18.2 13.4 25 15.6 25 17.8 29 3000 8 21.8 10.7 21.8 16 30 18.7 30 21.4 34.8 21 43 Model 469 All specifications at 50% Counterweight. Consult Imperial Electric for
40% and 45% counterweighting data.Frame 460 Series 2:1 Duty Table for Machine Room or for Machine Room Less (MRL) Applications
FPM 150 200 250 300
350 400 Freq. (Hz) 9.4 12.5 15.6 18.7 21.8 25 RPM 65 86 108 129 151 173 Capacity HP Amps HP Amps HP Amps HP Amps HP Amps HP Amps 3500 9.4 24.8 12.5 24.8 15.6 24.8 18.7 37.9 21.8 37.9 25 37.9 Model 503 All specifications at 50% Counterweight. Consult Imperial Electric for
40% and 45% counterweighting data.
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ACPM 470 Series - Single Wrap for Machine Room or for Machine Room Less (MRL) Applications
The ACPM 470 Series AC machines are available in three models (475, 478 & 478LS/HS) - with speeds ranging from 100 to 500fpm (2:1) for 475/478 and 100 to 400 (1:1) and up to 200fpm (2:1) depending on model. Models: 475, 478 are available with 400 mm [15.75” drive sheave]- for Machine Room Less (MRL) applications. While Model 478LS/HS is available with 508mm [20” drive sheave]- Ideal Small capacity MR/Basement modernization applications
MODEL 475 & 478 - for Machine Room or for Machine Room Less (MRL) Applications
• Capacity: Up to 4,000 lbs. (2:1) Roping
• Speeds ranging from 100 to 500 fpm 2:1 roping
• U-groove, 15.75”-inch drive sheave
• 475 up to 6- 10mm ropes, Single wrap
• 478 up to 8- 10mm ropes, Single wrap
• Sheave shaft load: 11,000 lbs.
• Dual independent brake system holds 125% rated capacity
• Overhead MRL/MR application.
• 475 M/C weight: 1,050 lbs.
• 478 M/C weight: 1,350 lbs.MODEL 478LS/HS
• Capacity: 1,800 lbs. (1:1) or 3,400 lbs. (2:1)
• Speeds up to 400 fpm (1:1) & 200 fpm (2:1)
• V-groove, 20-inch drive sheave
• Up to qty 5- 1/2" ropes, Single wrap
• Sheave shaft load: 12,000 lbs.
• Dual independent brake system holds 125% rated capacity
• Overhead MR/Basement application only
• M/C weight: 1560 lbs.Duty Tables
Frame 470 Series 2:1 Duty Table for Machine Room or for Machine Room Less (MRL) Applications
FPM 125 200 250 300
350 400 500 Freq. (Hz) 10.1 16.2 20.2 24.3 28.3 32.3 40.4 RPM 61 97 146 194 243 194 243 Capacity HP Amps HP Amps HP Amps HP Amps HP Amps HP Amps HP Amps 2000 4.5 9.5 7.1 9.5 8.9 14.3 10.7 14.3 12.5 14.3 14.3 22 17.8 22 2200 4.9 10.5 7.8 10.5 9.8 15.7 11.8 15.7 13.7 15.7 15.7 24.2 19.6 24.2 2500 6.7 11.9 8.9 11.9 11.1 17.8 13.4 17.8 15.6 17.8 17.8 27.5 22.3 27.5 2750 6.1 13.1 9.8 13.1 12.3 19.6 14.7 19.6 17.2 19.6 19.6 30.2 24.5 30.2 3000 6.7 14.3 10.7 14.3 13.4 21.4 16 21.4 18.7 21.4 21.4 33 26.7 33 Model 475 All specifications at 50% Counterweight. Consult Imperial Electric for
40% and 45% counterweighting data.
Frame 470 Series 2:1 Duty Table for Machine Room or for Machine Room Less (MRL) Applications
FPM 125 200 250 300
350 400 500 Freq. (Hz) 10.1 16.2 20.2 24.3 28.3 32.3 40.4 RPM 61 97 146 194 243 194 243 Capacity HP Amps HP Amps HP Amps HP Amps HP Amps HP Amps HP Amps 3500 7.8 17.3 12.5 17.3 15.6 28 18.7 28 21.8 28 25 41.2 31.2 41.2 4000 8.9 19.8 14.3 19.8 17.8 32 21.4 32 25 32 28.5 47 35.7 47 Model 478 All specifications at 50% Counterweight. Consult Imperial Electric for
40% and 45% counterweighting data.
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ACPM 520 Series - Single Wrap
Included in the ACPM 520 Series are the ACPM 522, 525, and 527. The Frame 520 series has the capacity to lift 2,000 to 4,500 lbs. At speeds from 700 fpm with 1:1 roping or 2,200 to 8,000 lbs. At speeds to 700 fpm with 2:1 roping.
MODEL 522 MODEL 525 MODEL 527 - Capacity up to 2,500 lbs. 1:1, 4,000 lbs. 2:1 up to 700 fpm
- 20-inch drive sheave
- 7-1/2-inch V-grooves single wrap
- 17,600 lbs. maximum sheave shaft load
- 1,868 ft.-lbs. brake torque per shoe
- Machine weight: 2,875 lbs.
- Dual independent brake system holds 125% rated capacity
- Capacity up to 3,500 lbs. 1:1, 6,000 lbs. 2:1 up to 700 fpm
- 22,000 lbs. maximum sheave shaft load
- 25-inch drive sheave
- 7-1/2 inch or 6-5/8-inch V-grooves or undercut
- 3,190 ft-lbs. brake torque per shoe
- Machine weight: 3,350 lbs.
- Dual independent brake system holds 125% rated capacity
- Capacity up to 4,500 lbs. 1:1, 8,000 lbs. 2:1 up to 700 fpm
- 25-inch drive sheave
- 22,000 lbs. maximum sheave shaft load
- 7-1/2 inch or 6-5/8-inch V-grooves or undercut
- 3,190 ft-lbs. brake torque per shoe
- Machine weight: 3,500 lbs.
- Dual independent brake system holds 125% rated capacity
Duty Tables
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ACPM 540 Series - Single Wrap
Available in two frame sizes, 543 and 545.
Specifications:
- 1,000-2,500 lbs. capacity up to 350 fpm - 2:1 roping
- 3,000-4,000 lbs. capacity up to 175 fpm 4:1 roping
- 18.9" drive sheave
- Up to: 5-10 mm ropes
- Sheave shaft load: 7,000 lbs.
- Dual independent brake system holds 125% rated capacity
- Overhead application only
- Machine weight: 960 lbs.
Duty Tables
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ACPM 570 Series - Double Wrap
The ACPM 570 and 570 XL Double Wrap AC machines are our newest products - with speeds ranging from 100 to 800 (1:1) or 100 to 700 (2:1) depending on model.
MODEL 570 MODEL 570-XL - Capacity: 2,750 lbs. (1:1) or 5,000 lbs. (2:1)
- Speeds ranging from 100 to 800 fpm 1:1 roping
- Speeds ranging from 100 to 700 fpm 2:1 roping
- U-groove, 20-inch drive sheave
- Up to 6- 1/2" ropes, double wrap
- Sheave shaft load: 40,000 lbs.
- Dual independent brake system holds 125% rated capacity
- Overhead application only
- M/C weight: 3,000 lbs.
- Capacity: 4,500 lbs. (1:1) or 8,000 lbs. (2:1)
- Speeds up to 700 fpm
- U-groove, 20-inch drive sheave
- Up to qty 8- 1/2" ropes, double wrap
- Sheave shaft load: 50,000 lbs.
- Dual independent brake system holds 125% rated capacity
- Overhead application only
- M/C weight: 3,950 lbs.
Duty Tables
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ACPM 700 Series - Double Wrap
Imperial Electric Frame 700 machines feature an extended chassis and a heavy-duty outboard bearing support to easily accommodate the special load characteristics required for double-wrap roping configurations. With a maximum sheave shaft load of up to 55,000 lbs., power ratings to 115HP, and dual-coil, independent brakes applying 6,000 N-m torque per side, these machines offer up to 5,000 lbs. capacity roped 1:1 or 9,000 lbs. capacity roped 2:1 with maximum speeds of 1,400 and 700 fpm, respectively. The 700 series is fantastic for use with high rise or heavy loads, overhead basement and side pull applications, and for modernization and new construction alike.
Specifications:
- Capacity: 5,000 lbs., 1:1 or 9,000 lbs. 2:1
- Speeds ranging from 100 to 1400 fpm - 1:1 700 fpm 2:1
- U-groove, 25 inch drive sheave
- Sheave shaft load: 55,000 lbs.
- Up to 6 -5/8" ropes, double wrap OR 7- 1/2" ropes, double wrap
- Overhead, Basement & Side pull application
- Dual independent brake system holds 125% rated capacity
- M/C Weight: 5,780 lbs.
Duty Tables
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ACPM 800 Series - Double Wrap
Imperial Electric’s 800 Frame series has the capacity to lift 2,000 to 5,350 lbs. at speeds to 1,600 fpm with 1:1 roping or 3,000 to 10,000 lbs. at speeds to 800 fpm with 2:1 roping. Precise acceleration, deceleration, and contract speed control. Disassembly options are available and perfect for high rise or heavy load applications in new construction or modernization of existing structures.
Specifications:- Up to 5,350 lbs. capacity up to 1,600 fpm, 1:1 roping
- Up to 6,000 lbs. capacity up to 450 fpm, 1:1 roping (SPL 808OB)
- 10,000 lbs. capacity up to 800 fpm, 2:1 roping
- U-groove for double wrap traction
- 26.5 inch drive sheave
- Up to 8 - 1/2" or 7- 5/8" ropes
- Sheave shaft load: 66,000 lbs
- Dual independent brake system holds 125% rated capacity
- Overhead, basement, and side pull application
- Machine weight: 6,800 lbs.
Duty Tables
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ACPM 900 Series - Double Wrap
Imperial Electric's Frame 900 ACPM Gearless Machines boast speeds up to 1,400 feet per minute for up to 8,000 lbs (car capacity, 1:1 roped applications) and 700 feet per minute for up to 9,000 lbs (car capacity, 2:1 roped applications). This machine is great in the following applications: modernization and new construction, 1:1 or 2:1 roped installations, high rise or heavy load, and overhead, basement or side pull applications. MODEL 908 OB-E MODEL 908 OB-H • 4,500 lbs capacity Up to 1,400 fpm 1:1 Roping
• 9,000 lbs capacity Up to 700 fpm 2:1 Roping
• Double wrap
• 30.0” drive sheave
• Rope Groove hardness: 245-285 Brinell
• Up to Qty 9-5/8 or 7-3/4” ropes Double Wrap
• Round U Groove
• D:d ratio 48:1 with 5/8” ropes
• D:d ratio 40:1 with 3/4” ropes
• Sheave shaft Load: 120,000 lbs
• Quad Independent disk brake system holds 125% rated capacity-2 each
• Overhead, Basement & Side pull Application
• Extra mounting restraints are needed for Basement & Side pull Application
• M/C Weight: 14,200 lbs
• M/C Torque:
– Rated Torque 908 OB – 4853 ft-lb, Accel Torque: 12132 ft-lb• 8,000 lbs capacity Up to 2,000 fpm 1:1 Roping
• 10,000 lbs capacity Up to 1,000 fpm 1:1 Roping (Special Applications)
• 16,000 lbs capacity Up to 1,000 fpm 2:1 Roping
• Double wrap
• 30.0” drive sheave
• Rope Groove hardness: 245-285 Brinell
• Up to Qty 9-5/8 or 7-3/4” ropes Double Wrap
• Round U Groove
• D:d ratio 48:1 with 5/8” ropes
• D:d ratio 40:1 with 3/4” ropes
• Sheave shaft Load: 120,000 lbs
• Two Independent Hydraulic disk brake system holds 125% rated capacity - 2 each
• Overhead, Basement & Side pull Application
• Extra mounting restraints are needed for Basement & Side pull Application
• M/C Weight: 15,200 lbs
• M/C Torque:
– Rated Torque 908 OB – 6490 ft-lb, Accel Torque: 16225 ft-lbDuty Tables
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