maxon Product Range 2026/27

EC-i 40 ∅ 40 mm, brushless, 70 watt High Torque

M 1:2

Stock program Standard program Special program (on request)

Part numbers

with Hall sensors

496654 496655

496656

Motor data

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

18

36

48

V

7840 448 6890 105 4.9 932 91.7 86.4 0.196 0.113 21.7 441 3.99 0.962

7390 205 6450 130 2.74 1030 61.8 88.6 0.582 0.512 46.1 207 2.62 0.632

4930 86.4 4100 152 1.56 931 21.4 87.5 2.24 2.05 92.1 104 2.52 0.607

rpm mA rpm mNm mNm A A

6 Nominal current (max. continuous current)

7 Stall torque 8 Stall current 9 Max. efficiency

%

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

23

23

23

Operating range

Comments

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

n [rpm]

   

8.17 K/W 2.27 K/W 24.9 s 1020 s +155 °C -40…+100 °C 0 mm 10 000 rpm 0.15 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

70 W

0 2000 4000 6000 8000 10000

496655

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    

7 N 87 N 26 N 5000 N

M [mNm]

0 50 100 150

200

384_GP 42 A 385_GP 42 C 392_GSW 40 HP 393_GSW 55 A Modular system Gearheads

Details on catalog page 56

7

Sensors

443_DEC Module 50/5 447_ESCON2 Micro 60/5 449_ESCON2 Compact 60/5 454_EPOS4 Micro 24/5 455_EPOS4 Module 50/5 457_EPOS4 Compact 24/5 3-axes 458_EPOS4 Compact 50/5 461_EPOS4 50/5 462_EPOS4 Disk 60/8 463_EPOS4 Disk 60/12 471_ESCON Module 50/4 EC-S Control Electronics

3

420_ENX 16 EASY 421_ENX 16 EASY XT 431_TSX 40 MAG 432_ENX 16 RIO 436_ENX 16 EASY Absolute 437_ENX 16 EASY Absolute XT 438_ENX 22 EMT

250 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 sensor (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. 73

204 maxon



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