M 1:2 Stock program Part Numbers Standard program Special program (on request)
578296 578297 578298 578299
Industrial Version IP54* 618570 618571 618572 618573 Motor Data Values at nominal voltage 1 Nominal voltage V 24 36 48 70 2 No load speed rpm 5950 5680 4900 2760 3 No load current mA 236 147 88.4 27.4 4 Nominal speed rpm 5680 5420 4620 2470 5 Nominal torque mNm 405 418 420 452 6 Nominal current (max. continuous current) A 10.8 7.07 4.58 1.89 7 Stall torque mNm 8920 8920 7370 4340 8 Stall current A 232 148 78.9 17.9 9 Max. efficiency % 94 94 94 92 Characteristics 10 Terminal resistance W 0.103 0.244 0.608 3.9 11 Terminal inductance mH 0.072 0.177 0.423 2.83 12 Torque constant mNm/A 38.5 60.4 93.4 242 13 Speed constant rpm/V 248 158 102 39.5 14 Speed / torque gradient rpm/mNm 0.668 0.638 0.666 0.638 15 Mechanical time constant ms 3.75 3.74 3.78 3.74 16 Rotor inertia gcm2 536 560 542 560
Specifications Operating Range Comments
Thermal data n [rpm] Continuous operation
17 Thermal resistance housing-ambient 3.8 K/W In observation of above listed thermal resistance 18 Thermal resistance winding-housing 1.2 K/W 19 Thermal time constant winding 71.7 s 200 W (lines 17 and 18) the maximum permissible winding 20 Thermal time constant motor 1370 s 578297 temperature will be reached during continuous 21 Ambient temperature -30…+100°C 8000 operation at 25°C ambient. 22 Max. winding temperature +125°C = Thermal limit. 6000 Mechanical data 4000 Short term operation (preloaded ball bearings) The motor may be briefly overloaded (recurring). 23 Max. speed 9500 rpm 2000 24 Axial play at axial load < 11.5 N 0 mm Assigned power rating
> 11.5 N 0.1 mm 150 300 450 M [mNm] 25 Radial play preloaded 26 Max. axial load (dynamic) 30 N 2.5 5.0 7.5 10.0 I [A] 27 Max. force for press fits (static) 150 N (static, shaft supported) 6000 N 28 Max. radial load, 15 mm from flange 110 N Modular System Details on catalog page 44
Other specifications Gear Sensor Motor Control
29 Number of pole pairs 1 436_GP 52 C 519_Encoder HEDS 5540 533_ESCON Module 50/5 30 Number of commutator segments 15 438_GP 62 A 521_Encoder HEDL 5540 534_ESCON Module 50/8 HE 31 Weight of motor 1100 g 535_ESCON 50/5 535_ESCON 70/10 Values listed in the table are nominal. 542_EPOS4 Module 50/5 Explanation of the figures on page 90. 543_EPOS4 Module 50/8 543_EPOS4 Module 50/15 * Industrial version with radial shaft seal ring (resulting in increased no load current). 545_EPOS4 Compact 50/5 Industrial Version IP54* 545_EPOS4 Compact 50/8 CAN IP54 protection only if mounted on brush side, in 526_Encoder HEDL 9140 compliance with maxon modular system. 546_EPOS4 Compact 50/15 570_Brake AB 44 547_EPOS4 50/5 572_End cap 547_EPOS4 70/15 548_EPOS4 Disk 60/8 549_EPOS4 Disk 60/12
160 maxon DC motor April 2022 edition / subject to change
