Details

RE 25 Ø25 mm, Graphite Brushes, 20 Watt

Part number 339153

RE 25 Ø25 mm, Graphite Brushes, 20 Watt
Price scales Quantity Price per unit
Prices excluding VAT and shipping costs 1-4 $290.88
5-19 $256.50
20-49 $216.38
from 50 On request

Specifications

Technical illustrations

Information: Drawings are not to scale.

Values at nominal voltage
Nominal voltage 30 V
No load speed 9210 rpm
No load current 25 mA
Nominal speed 8010 rpm
Nominal torque (max. continuous torque) 31.4 mNm
Nominal current (max. continuous current) 1.04 A
Stall torque 265 mNm
Stall current 8.61 A
Max. efficiency 88 %
Characteristics
Terminal resistance 3.49 Ω
Terminal inductance 0.407 mH
Torque constant 30.8 mNm/A
Speed constant 311 rpm/V
Speed / torque gradient 35.2 rpm/mNm
Mechanical time constant 5.17 ms
Rotor inertia 14 gcm²
Thermal data
Thermal resistance housing-ambient 14.4 K/W
Thermal resistance winding-housing 5.08 K/W
Thermal time constant winding 28.3 s
Thermal time constant motor 543 s
Ambient temperature -30...+100 °C
Max. winding temperature +155 °C
Mechanical data
Bearing type Waelzlager
Max. speed 14000 rpm
Axial play 0.05 mm, at radial load < 0 N
0.15 mm, at radial load > 0 N
Radial play 0.025 mm
Max. axial load (dynamic) 20 N
Max. force for press fits (static) 60 N
(static, shaft supported) 1000 N
Max. radial load 35 N, 5 mm from flange
Other specifications
Number of pole pairs 1
Number of commutator segments 11
Number of autoclave cycles 0
Product
Weight 115 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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