EC 45 flat Ø42.9 mm, brushless, 30 Watt, with Hall sensors

Part number 339281

EC 45 flat Ø42.9 mm, brushless, 30 Watt, with Hall sensors
Price scales Quantity Price per unit
Prices excluding VAT and shipping costs 1-4 €78.09
5-19 €68.82
20-49 €58.09
from 50 On request


Technical illustrations

Information: Drawings are not to scale.

Values at nominal voltage
Nominal voltage 24 V
No load speed 4360 rpm
No load current 81.4 mA
Nominal speed 2930 rpm
Nominal torque (max. continuous torque) 54.7 mNm
Nominal current (max. continuous current) 1.01 A
Stall torque 251 mNm
Stall current 4.93 A
Max. efficiency 76 %
Terminal resistance 4.87 Ω
Terminal inductance 2.24 mH
Torque constant 51 mNm/A
Speed constant 187 rpm/V
Speed / torque gradient 17.9 rpm/mNm
Mechanical time constant 17.3 ms
Rotor inertia 92.5 gcm²
Thermal data
Thermal resistance housing-ambient 6.7 K/W
Thermal resistance winding-housing 3.92 K/W
Thermal time constant winding 11.5 s
Thermal time constant motor 295 s
Ambient temperature -40...+100 °C
Max. winding temperature +125 °C
Mechanical data
Bearing type ball bearings
Max. speed 10000 rpm
Axial play 0 mm, at radial load < 5 N
0.14 mm, at radial load > 5 N
Max. axial load (dynamic) 4.8 N
Max. force for press fits (static) 53 N
(static, shaft supported) 1000 N
Max. radial load 18 N, 5 mm from flange
Other specifications
Number of pole pairs 8
Number of phases 3
Number of autoclave cycles 0
Weight 75 g


Thanks to their flat design, the brushless EC flat motors are exactly the right drive for many applications. The well-conceived, simple engineering allows mainly automated production which results in a favorable price.