RE 25 ∅ 25 mm, graphite brushes, 20 watt
M 1:2
Stock program Standard program Special program (on request)
Part Numbers
according to dimensional drawing shaft length 15.7 shortened to 4 mm
118749 118750 118751 118752 118753 118754 118755 118756 118757 302002 302003 302004 302005 302006 302007 302001 302008 302009
Motor Data
Values at nominal voltage 1 Nominal voltage 2 No load speed 3 No load current 4 Nominal speed 5 Nominal torque 7 Stall torque 8 Stall current 9 Max. efficiency Characteristics 10 Terminal resistance 11 Terminal inductance 12 Torque constant 13 Speed constant 14 Speed / torque gradient 15 Mechanical time constant
9 48 10000 9660 10200 9560 9860 11100 10300 8240 5050 110 60.8 53.9 36.9 30.5 25.2 20.1 15.2 8.52 8970 8430 8850 8330 8640 9920 9160 7040 3830 11.1 20.5 22.9 26.3 26.7 27.1 27.7 28.7 30 1.5 1.5 1.46 1.16 0.968 0.784 0.653 0.536 0.343 15 18 24 30 42 48 48 232 225 220 243 249 283 264 209 129 29.1 15.8 13.5 10.4 8.72 7.94 6.03 3.81 1.44 76 82 83 85 86 87 87 86 84 0.309 0.952 1.33 2.32 3.44 5.29 7.96 12.6 33.4 0.028 0.088 0.115 0.238 0.353 0.551 0.832 1.31 3.48 7.96 14.3 16.3 23.4 28.5 35.6 43.8 55 89.6 1200 670 586 408 335 268 218 174 107 46.5 44.7 48 40.3 40.4 39.8 39.6 39.8 39.7 5.68 4.87 4.77 4.55 4.47 4.4 4.37 4.37 4.35 11.7 10.4 9.49 10.8 10.6 10.6 10.5 10.5 10.5
V
rpm mA rpm mNm mNm A
6 Nominal current (max. continuous current)
A %
Ω
mH
mNm/A rpm/V rpm/mNm
ms gcm 2
16 Rotor inertia
Specifications
Operating Range
Comments
19 Thermal time constant winding 20 Thermal time constant motor 21 Ambient temperature 22 Max. winding temperature Mechanical data (ball bearings) 23 Max. speed 24 Axial play 25 Radial play 26 Max. axial load (dynamic) 27 Max. force for press fits (static) (static, shaft supported) 28 Max. radial load, 5 mm from flange Other specifications 29 Number of pole pairs 30 Number of commutator segments 31 Weight of motor Thermal data 17 Thermal resistance housing-ambient 18 Thermal resistance winding-housing
n [rpm]
Continuous operation In observation of above listed thermal resistance (lines 17 and 18) the maximum permissible winding temperature will be reached during continuous operation at 25°C ambient. = Thermal limit. Short term operation The motor may be briefly overloaded (recurring). Assigned power rating
14 K/W 3.1 K/W 12.5 s 612 s
20 W
118752
-30…+100°C +125°C
0.05 - 0.15 mm 0.025 mm 14000 rpm
3.2 N 64 N 800 N 16 N
10
20
30
M [mNm] I [A]
0.5
1.5
1.0
Gear 431_GP 26 A 433_GP 32 BZ 434_GP 32 A 437_GP 32 C 444_KD 32 466-474_GP 32 S Modular System
Details on catalog page 46
1
Motor Control 554_ESCON Module 24/2 554_ESCON 36/2 DC 555_ESCON Module 50/5 557_ESCON 50/5 563_EPOS4 Micro 24/5
Sensor 536_Encoder Enc 22 539_Encoder HEDS 5540 541_Encoder HEDL 5540 548_DC-Tacho DCT 22
11
130 g
Values listed in the table are nominal. Explanation of the figures on page 92. Option Preloaded ball bearings
564_EPOS4 Module 24/1.5 564_EPOS4 Module 50/5 565_EPOS4 Compact 24/5 3-axes 566_EPOS4 Compact 24/1.5 567_EPOS4 Compact 50/5 569_EPOS4 50/5
Accessories 587_Brake AB 28
156 maxon DC motor
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