EC-max 16 Ø16 mm, brushless, 5 Watt, with Hall sensors

Part number 283825

EC-max 16 Ø16 mm, brushless, 5 Watt, with Hall sensors
Price scales Quantity Price per unit
Prices excluding VAT and shipping costs 1-4 €163.37
5-19 €126.18
20-49 €93.91
from 50 On request


Technical illustrations

Information: Drawings are not to scale.

Values at nominal voltage
Nominal voltage 4.5 V
No load speed 12800 rpm
No load current 148 mA
Nominal speed 5170 rpm
Nominal torque (max. continuous torque) 3.33 mNm
Nominal current (max. continuous current) 1.18 A
Stall torque 5.82 mNm
Stall current 1.89 A
Max. efficiency 54 %
Terminal resistance 2.38 Ω
Terminal inductance 0.0396 mH
Torque constant 3.08 mNm/A
Speed constant 3100 rpm/V
Speed / torque gradient 2390 rpm/mNm
Mechanical time constant 10.7 ms
Rotor inertia 0.428 gcm²
Thermal data
Thermal resistance housing-ambient 23.5 K/W
Thermal resistance winding-housing 2.57 K/W
Thermal time constant winding 0.943 s
Thermal time constant motor 390 s
Ambient temperature -40...+100 °C
Max. winding temperature +155 °C
Mechanical data
Bearing type ball bearings
Max. speed 20000 rpm
Axial play 0 mm, at radial load < 1.5 N
0.14 mm, at radial load > 1.5 N
Max. axial load (dynamic) 1 N
Max. force for press fits (static) 18 N
(static, shaft supported) 600 N
Max. radial load 6 N, 5 mm from flange
Other specifications
Number of pole pairs 1
Number of phases 3
Number of autoclave cycles 0
Weight 36 g


The new maxon EC-max program picks up the ideology of the successful A-max and RE-max motors. The electronically commutated DC motors are based on the same parts platform idea, creating a wide market-oriented range in the modular system with gearheads, sensors and brakes.