ECX FLAT 42 M ∅ 42 mm, brushless, with integrated electronics High Torque, 4-Q-Speed Controller Key data: 120 W, 190 mNm, 8000 rpm
M 1:1
Drive data Nominal power supply voltage Nominal speed Nominal torque at 25 °C Nominal supply current at 25 °C Maximum speed at nominal voltage Maximum permissible drive speed Maximum torque (short-time) Maximum supply current (short-time) Rotor inertia of the drive Nominal supply voltage + V CC Mechanical time constant Speed constant Speed set value input Scale speed set value input Min. permissible drive speed
V
1_ 2_ 3_ 5_ 7_ 8_ 9_
24 6100 190 7.1 7776 8000 536 17.46 86.2 8…28 2.57 339 0…10 1000 200 8000
rpm mNm rpm rpm mNm A
10_ 11_ 12_ 13_ 37_ 38_ 40_ 14_ 15_ 16_ 17_ 18_
A V
gcm²
ms
rpm/V rpm/V rpm V rpm/s
Max. acceleration
Thermal data
Operating range n [rpm] 24-V-system
Thermal resistance housing-ambient Thermal resistance winding-housing Thermal time constant winding Thermal time constant drive
K/W K/W
1.66 3.01 20.1 92.2 -25…+85
120 W
s s
0 0 1000 2000 3000 4000 5000 6000 8000 7000
Ambient temperature Mechanical data Axial play at axial load Direction of force
°C
19_
< 4 N 0 mm > 4 N 0.14 mm
Pull
Continuous operation Continuous operation with reduced thermal resistance R th2 50% Short term operation
Radial play
preloaded
20_ 21_ 22_ 23_
Max. axial load (dynamic) Max. force for press fits (static) Max. radial load [mm from flange] (shaft supported)
N N N N
6 86 1300 40 [5]
50 100
200
150
250
M [mNm]
Gear 405_GPX 42 C/UP 455_GSW 55 A Modular system
Details on catalog page 44
Other specifications Weight of the drive
Sensor integrated
Motor Control integrated
Stages [opt.]
g
24_
128
1–4
Drive data in the table is nominal data. Protective functions
Overload protection, blockage protection, inverse-polarity protection, thermal overload protection, low/high voltage cut-off Connection, Supply (Cable AWG 18) red Pin 1 +V CC 8…28 VDC black Pin 2 GND Connector Article number Molex 39-01-2020 Connection, I/O‘s (Cable AWG 28) white Pin 1 I/O 1 green Pin 2 I/O 2 grey P in 3 I/O 3 brown Pin 4 I/O 4 Connector Article number Molex 43025-0400
Configuration
Shaft, front: Length/shaft shoulder/faces Shaft, rear: Length/shaft shoulder Motor controller: I/O functionality/system parameters
366 maxon compact drive
© 2025 maxon. All rights reserved. February edition. Provisional data. Subject to change.
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