User guide

Publication 8720MC-IN001D-EN-P — December 2002
D-10 8720SM Motor Specifications and Performance Curves
Specifications for 45 to
93 kW 8720SM Motors
The following specifications apply to 45 to 93 kW motors, 8720MC
drive amplifier, and 8720MC -RPS (master and slave units) with 750V
dc input.
8720SM Motor Specifications
8720SM Motor Specifications for 750V dc Input Drives with Master/Slave Regenerative Power Supplies
Motor Specifications Units Motor Data for Each Power Rating
Motor catalog number 8720SM- 045S5NA 055S5PA 063S5QA 075S6SA 093S6TA
Motor frame number DL1811 DL1813 DL1815 DL2010 DL2012
Continuous power kW (hp) 45 (60) 55 (73.7) 63 (84.4) 75 (100.5) 93 (125)
S6 - 50% duty kW (hp) 55 (73.7) 63 (84.4) 76 (101.8) 92 (123.3) 110(147.4)
1 minute peak power kW (hp) 68 (91.1) 82 (110) 95 (127.3) 112 (150) 140 (187.7)
Rated torque at base speed N-m (lb-ft) 287 (211.5) 350 (258) 400 (294.8) 480 (353.8) 590 (434.8)
peak torque at base speed N-M (lb-ft) 430 (317.2) 525 (387.24) 600 (442) 720 (531.1) 890 (656.5)
Base speed - rpm rpm 1500 1500 1500 1500 1500
Max speed - foot mount rpm 6500 5000 5000 5000 4500
Max speed - flange mount rpm 6000 5000 5000 4500 4000
Constant power speed range 3.7:1 3.3:1 3.3:1 3.3:1 3.0:1
Rotor inertia
kg-m
2
(lb-ft
2
)
.35
(8.3)
.409
(9.7)
.468
(11.1)
.885
(21.0)
1.01
(24.0)
Rated continuous motor current at
base speed
Amps (RMS cont.) 93 116 117.5 137 176
S6 current at base speed Amps (RMS) 110 129 135 161 200
Peak current at base speed Amps (RMS) 131 161 163 188 242
Voltage at Base Speed Volts (RMS) 375 370 418 430 410
Voltage at max speed Volts (RMS) 505 505 505 505 505
Motor weight kg (lbs) 297 (655) 324 (714) 350 (772) 453 (999) 478 (1054)
Max radial bearing load kg (lbs) 390 (860) 390 (860) 390 (860) 422 (930) 422 (930)