EC-i 30 ∅ 30 mm, brushless, 45 watt High Torque
M 3:4
Stock program Standard program Special program (on request)
Part numbers
with Hall sensors
539482
539480 539481
539483 539484
Motor data (provisional) Values at nominal voltage 1 Nominal voltage
12
18
24
36
48
V
8240 285 6730 64.9 4.49 469 54 85.7 0.222 0.199 13.7 696 11.4 0.956
8250 190 6780 67.1 3.08 497 41.4 86.6 0.435 0.449 20.6 464 9.94 0.83 8.1
8510 149 7050 63.3 2.27 491 31 86.4 0.775 0.749 26.6 359 10.6 0.888
8250 95.2 6810 67.1 1.54 507 21.8 87 1.65 1.8 41.2 232 9.43 0.787
8510 74.5 7070 63.2 1.13 496 15.9 86.5 3.01 53.2 180 3 10.3 0.862
2 No load speed 3 No load current 4 Nominal speed 5 Nominal torque 7 Stall torque 8 Stall current 9 Max. efficiency
rpm mA rpm mNm mNm A
6 Nominal current (max. continuous current)
A %
Characteristics 10 Terminal resistance phase to phase 11 Terminal inductance phase to phase
Ω
mH
12 Torque constant 13 Speed constant 14 Speed/torque gradient 15 Mechanical time constant
mNm/A rpm/V rpm/mNm
ms gcm2
8.1
8.1
8.1
8.1
Specifications 16 Rotor inertia
Operating range
Comments
Thermal data 17 Thermal resistance housing-ambient 18 Thermal resistance winding-housing
n [rpm]
11.1 K/W 3.75 K/W 27.8 s 866 s -40…+100°C +155°C 0 mm 10000 rpm 0.14 mm preloaded
19 Thermal time constant winding 20 Thermal time constant motor 21 Ambient temperature 22 Max. winding temperature Mechanical data (preloaded ball bearings) 23 Max. speed
45 W
0 2000 4000 6000 8000 10000
539482
Continuous operation C ontinuous operation with reduced thermal resistance R th2 50%
24 Axial play at axial load 25 Radial play
< 9.0 N > 9.0 N
Intermittent operation Assigned power rating
26 Max. axial load (dynamic) 27 Max. force for press fits (static) (static, shaft supported) 28 Max. radial load, 5 mm from flange Other specifications 29 Number of pole pairs 30 Number of phases 31 Weight of motor
5 N 98 N 2000 N 25 N
M [mNm]
0 20 40 60
80
Gear 430_GP 32 C 474–482_GP 32 S Modular system
Details on catalog page 52
4 3
Sensor 509_ENX 16 EASY 510_ENX 16 EASY XT 511_ENX 16 EASY Absolute 512_ENX 16 EASY Absolute XT
Motor Control 547_DEC Module 50/5 551_ESCON 36/3 EC 551_ESCON Module 50/4 EC-S 551_ESCON Module 50/5 553_ESCON 50/5 557_ESCON2 Micro 60/5 563_EPOS4 Micro 24/5 564_EPOS4 Module 50/5 565_EPOS4 Compact 24/5 3-axes 567_EPOS4 Compact 50/5 569_EPOS4 50/5 570_EPOS4 Disk 60/8 571_EPOS4 Disk 60/12
156 g
Values listed in the table are nominal. Connection motor (Cable AWG 20) red Motor winding 1 Pin 1 black Motor winding 2 Pin 2 white Motor winding 3 Pin 3 N.C. Pin 4 Connector Article number Molex 39-01-2040 Connection sensors (Cable AWG 26) yellow Hall sensor 1 Pin 1 brown Hall sensor 2 Pin 2 grey Hall sensor 3 Pin 3 blue GND Pin 4 green V Hall 4.5…24 VDC Pin 5 N.C. Pin 6 Connector Article number Molex 430-25-0600 Wiring diagram for Hall sensors see p. 69
518_ENX 22 EMT 519_ENX 16 RIO
maxon EC motor 303
© 2025 maxon. All rights reserved. March edition. Subject to change.
Made with FlippingBook Publishing Software