Details

RE 25 Ø25 mm, Graphite Brushes, 20 Watt

Part number 118750

RE 25 Ø25 mm, Graphite Brushes, 20 Watt
Price scales Quantity Price per unit
Prices excluding VAT and shipping costs 1-4 €247.91
5-19 €218.73
20-49 €184.46
from 50 On request

Specifications

Technical illustrations

Information: Drawings are not to scale.

Values at nominal voltage
Nominal voltage 15 V
No load speed 9660 rpm
No load current 60.8 mA
Nominal speed 8430 rpm
Nominal torque (max. continuous torque) 20.5 mNm
Nominal current (max. continuous current) 1.5 A
Stall torque 225 mNm
Stall current 15.8 A
Max. efficiency 82 %
Characteristics
Terminal resistance 0.952 Ω
Terminal inductance 0.0882 mH
Torque constant 14.3 mNm/A
Speed constant 670 rpm/V
Speed / torque gradient 44.7 rpm/mNm
Mechanical time constant 4.87 ms
Rotor inertia 10.4 gcm²
Thermal data
Thermal resistance housing-ambient 14 K/W
Thermal resistance winding-housing 3.1 K/W
Thermal time constant winding 12 s
Thermal time constant motor 612 s
Ambient temperature -30...+100 °C
Max. winding temperature +125 °C
Mechanical data
Bearing type ball bearings
Max. speed 14000 rpm
Axial play 0.05 - 0.15 mm
Radial play 0.025 mm
Max. axial load (dynamic) 3.2 N
Max. force for press fits (static) 64 N
(static, shaft supported) 800 N
Max. radial load 16 N, 5 mm from flange
Other specifications
Number of pole pairs 1
Number of commutator segments 11
Number of autoclave cycles 0
Product
Weight 130 g
  • Operating Range

    Continuous operation range
   
     
    Short term operation range
   

Description

maxon DC motors are high-quality motors fitted with powerful permanent magnets. The “heart” of the motor is the worldwide patented ironless rotor. For you, this means cutting-edge technology in compact, powerful and low inertia drives.

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