ECX FLAT 22 L ∅22 mm, brushless, with integrated electronics
High Torque, 4-Q-Speed Controller
Key data: 29 W, 25 mNm, 14 000 rpm
ECX FLAT
M 1:1
Drive data
1_ Nominal power supply voltage V 24
2_ Nominal speed rpm 11 000
3_ Nominal torque at 25 °C mNm 25
5_ Nominal supply current at 25 °C A 2.2
7_ Maximum speed at nominal voltage rpm 14000
8_ Maximum permissible drive speed rpm 14 000
9_ Maximum torque (short-time) mNm 57.6
10_ Maximum supply current (short-time) A 3.88
11_ Rotor inertia of the drive gcm² 6.82
12_ Nominal supply voltage + VCC V 8…28
13_ Mechanical time constant ms 4.67
Speed constant rpm/V 661
37_ Speed set value input V 0…10
38_ Scale speed set value input rpm/V 1000
Min. permissible drive speed rpm 300
40_ Max. acceleration rpm/s 20 000
Thermal data Operating range
14_ Thermal resistance housing-ambient K/W 5.9 n [rpm] 24-V-system
15_ Thermal resistance winding-housing K/W 5.84
16_ Thermal time constant winding s 6.09 29 W
14000 VCC =
17_ Thermal time constant drive s 14.1 28 V
18_ Ambient temperature °C -25…+85 12000 VCC =
24 V
10000
Mechanical data 8000
19_ Axial play at axial load <4N 0 mm
6000
>4N 0.14 mm VCC =
Direction of force Pull 4000 12 V
20_ Radial play preloaded 2000 Continuous operation
21_ Max. axial load (dynamic) N 1.8 0 Continuous operation with reduced
22_ Max. force for press fits (static) N 2.6 0 10 20 30 M [mNm] thermal resistance Rth2 50%
(shaft supported) N 200 Short term operation
23_ Max. radial load [mm from flange] N 3.5 [5]
Modular system Details on catalog page 44
Other specifications Gear Stages [opt.] Sensor Motor Control
24_ Weight of the drive g 33.5 390_GPX 22 A/C 1–4 integrated integrated
391_GPX 22 LN/LZ 1–4
Drive data in the table is nominal data. 392_GPX 22 HP 2–4
394_GPX 22 UP 1–4
Protective functions 396_GPX 26 A/C 3
Overload protection, blockage protection, inverse-polarity 397_GPX 26 LN/LZ 3
protection, thermal overload protection, low/high voltage 398_GPX 26 HP 4
cut-off
Connection, Supply (Cable AWG 22)
red Pin 1 +VCC 8…28 VDC
black Pin 2 GND
Connector Article number
Molex 39-01-2020
Configuration
Connection, I/O‘s (Cable AWG 28)
white Pin 1 I/O 1
green Pin 2 I/O 2
grey Pin 3 I/O 3
brown Pin 4 I/O 4
Connector Article number
Molex 43025-0400 Shaft, front: Length/shaft shoulder/faces
Shaft, rear: Length/shaft shoulder
Motor controller: I/O functionality/system parameters
362
maxon compact drive © 2025 maxon. All rights reserved. February edition. Provisional data. Subject to change.
