maxon Product Range 2025/26

EC-4pole 30 ∅ 30 mm, brushless, 100 watt High Power

M 1:2

Stock program Standard program Special program (on request)

Part numbers

309756

309758

309755

309757

Motor data

Values at nominal voltage 1 Nominal voltage 2 No load speed 3 No load current 4 Nominal speed 5 Nominal torque

18 48 17500 17500 17500 17500 505 379 253 189 16300 16300 16400 16400 72 68.8 74.3 73.4 7.74 5.56 3.98 2.95 1310 1270 1510 1500 133 96.9 77.2 57.4 88.3 88.2 89.1 89.1 0.135 0.248 0.466 0.836 0.0166 0.0295 0.0664 0.118 9.8 13.1 19.6 26.1 974 731 487 365 13.4 13.9 11.6 11.7 2.57 2.65 2.22 2.24 18.3 18.3 18.3 18.3 24 36

V

rpm mA rpm mNm mNm A

6 Nominal current (max. continuous current)

7 Stall torque 8 Stall current 9 Max. efficiency

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

Specifications 16 Rotor inertia

Operating range

Comments

Thermal data 17 Thermal resistance housing-ambient 18 Thermal resistance winding-housing

n [rpm]

   

8.96 K/W 0.74 K/W

30000 25000 20000 15000 10000 5000

100 W

  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

4.12 s 968 s

309756

-20…+100°C +155°C

Continuous operation C ontinuous operation with reduced thermal resistance R th2 50%

0 mm 0.14 mm preloaded 5.5 N 73 N 2000 N 25 N 25 000 rpm

24 Axial play at axial load 25 Radial play 

< 4.0 N > 4.0 N

Intermittent operation Assigned power rating

0

I [A] M [mNm]

0

50 4.6

100

   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    

0.22

9

Gear 430_GP 32 C 432_GP 32 HP 436-438_GP 42 A 439-441_GP 42 C 474–482_GP 32 S Modular system

Details on catalog page 52

Motor Control 547_DEC Module 50/5 551_ESCON Module 50/5 551_ESCON Module 50/4 EC-S 552_ESCON Module 50/8 HE 553_ESCON 50/5 553_ESCON 70/10 557_ESCON2 Micro 60/5 558_ESCON2 Module 60/12 559_ESCON2 Compact 60/12 564_EPOS4 Module 50/5 565_EPOS4 Module 50/8 567_EPOS4 Compact 50/5 567_EPOS4 Compact 50/8 CAN

Sensor 509_ENX 16 EASY 510_ENX 16 EASY XT 511_ENX 16 EASY Absolute 512_ENX 16 EASY Absolute XT

2 3

210 g

Values listed in the table are nominal. Connection motor (Cable AWG 18) black Motor winding 2 white Motor winding 3 red Motor winding 1 Connection sensors (Cable AWG 26) black/grey Hall sensor 2 blue GND green V Hall 3…24 VDC red/grey Hall sensor 1 white/grey Hall sensor 3 Wiring diagram for Hall sensors see p. 67

518_ENX 22 EMT 519_ENX 16 RIO Accessories 584_Brake AB 20

569_EPOS4 50/5 569_EPOS4 70/15 570_EPOS4 Disk 60/8 571_EPOS4 Disk 60/12

maxon EC motor 293

© 2025 maxon. All rights reserved. March edition. Subject to change. 

Made with FlippingBook Publishing Software