maxon

maxon EC motorEC 22 22 mm, brushless, 240 WattHeavy Duty – for applications in oilM 1:1Stock programStandard programSpecial program (on request)Article NumbersMotor Data (provisional)A with Hall SensorsB sensorless426450426451Values at nominal voltage and ambient temperature °C 25 100 150 2001 Nominal voltage V 48 48 48 482 No load speed rpm 12900 13500 13700 139003 No load current mA 384 140 144 1494 Nominal speed 1) rpm 8560 8640 9240 107005 Nominal torque (max. continuous torque) 1) mNm 149 120 92.9 57.26 Nominal current (max. continuous current) A 4.53 3.64 2.9 1.887 Stall torque mNm 460 346 295 2568 Starting current A 13.4 10.3 8.98 7.939 Max. efficiency % 70.5 71 70.5 71 70.5 70.5Characteristics10 Terminal resistance phase to phase 3.59 4.64 5.35 6.0511 Terminal inductance phase to phase mH 0.357 0.357 0.357 0.35712 Torque constant mNm/A 34.4 33.5 32.9 32.313 Speed constant rpm/V 278 285 290 29614 Speed / torque gradient rpm/mNm 29 39.5 47.2 55.415 Mechanical time constant ms 2.31 2.31 3.15 2.31 3.77 2.31 4.4216 Rotor inertia gcm 2 7.63 7.63 7.63 7.631)Values in thermal steady state.Specifications Operating RangeCommentsThermal datan [rpm] TA = 25°CContinuous operation17 Thermal resistance housing-ambient 0.793 K/WTA = 100°CIn In observation of above listed thermal resistance18 Thermal resistance winding-housing 0.754 K/W(lines 17 17 and 18) the maximum permissible windingTA = 150°C19 Thermal time constant winding 4.78 s 25000temperature will be be reached during during continuous continuous ope-TA = 200°C20 Thermal time constant motor 40.2 soperation 25°C at 25°C ambient.21 Ambient temperature -55 … +200 °C 20000= = Thermal limit.22 Max. permissible winding temperature +240 °C15000240 WShort term operation200 WThe The motor may may be be briefly overloaded (recurring).Mechanical data (preloaded ball bearings)23 Max. permissible speed 20000 rpm24 Axial play at axial load < 5 N 0 mm> 5 N max. 0.14 mm25 Radial play preloaded26 Max. axial load (dynamic) 4 N27 Max. force for press fits (static) 60 N(static, shaft supported)250 N28 Max. radial loading, 5 mm from flange 16 N ApplicationOther specifications29 Number of pole pairs 130 Number of phases 331 Weight of motor (sensorless) 160 gConnection A , motor Cable PTFE blue (AWG 19)red Motor winding 1black Motor winding 2white Motor winding 3Connection A, sensors Cable PTFE green (AWG 24)green VHall 4.5…24 Vblue GNDred Hall sensor 1black Hall sensor 2white Hall sensor 3Connection B, motor Cable PTFE blue (AWG 19)red Motor winding 1black Motor winding 2white Motor winding 3100005000General– extreme temperature applications– vibration tested according to MIL-STD810F/Jan2000 Fig. 514.5C-10– operation in oil and high pressureOil & Gas Industry– oil, gas and geothermal wells140 W80 W20 40 60 80 100 120 140 M [mNm]1.0 2.0 3.0 4.0 I [A]Assigned power ratingReference mediumShell Tellus oil T15Operation in oil of different viscosity will affectthe motor data.maxon modular system Overview on page 16 - 21Planetary Gearhead22 mm2.0 - 4.0 NmPage 228154maxon EC motorMay 2012 edition / subject to change