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EMRAX 208 EMRAX SINGLE High voltage (HV) Liquid Cooled (LC) Angled coolant fittings (90°; 2 pcs in 1 set) For radial forces (R) Standard motor shaft Resolver TS2620N1095E161 with bracket for the back
Technical data Type EMRAX 208 High Voltage EMRAX 208 Medium Voltage EMRAX 208 Low Voltage Air cooled = AC Liquid cooled = LC Combined cooled = Air + Liquid cooled = CC AC LC CC AC LC CC AC LC CC Ingress protection IP21 IP65 IP21 IP21 IP65 IP21 IP21 IP65 IP21 Cooling medium specification (Air Flow = AF; Inlet Water/glycol Flow = WF; Ambient Air = AA) If inlet WF temperature and/or AA temperature are lower, then continuous power is higher. AF=20m/s; AA=25°C WF=8l/min at 50°C; AA=25°C WF=8l/min at 50°C; AA=25°C AF=20m/s; AA=25°C WF=8l/min at 50°C; AA=25°C WF=8l/min at 50°C; AA=25°C AF=20m/s; AA=25°C WF=8l/min at 50°C; AA=25°C WF=8l/min at 50°C; AA=25°C Weight [kg] 9,1 9,4 9,3 9,1 9,4 9,3 9,1 9,4 9,3 Diameter ø / width [mm] 208 / 85 Maximal battery voltage [Vdc] and full load/no load RPM 470 Vdc (5170/7050 RPM) 320 Vdc (5760/7040 RPM) 125 Vdc (6250/7250 RPM) Peak motor power at max RPM (few min at cold start / few seconds at hot start) [kW] 80 Continuous motor power (at 3000-5000 RPM) depends on the motor RPM [kW] 20 - 32 20 - 32 25 - 40 20 - 32 20 - 32 25 - 40 20 - 32 20 - 32 25 - 40 Maximal rotation speed [RPM] 6000 (7000 peak for a few seconds) Maximal motor current (for 2 min if cooled as described in Manual) [Arms] 200 320 800 Continuous motor current [Arms] 100 160 400 Maximal peak motor torque [Nm] 150 Continuous motor torque [Nm] 80 Torque / motor current [Nm/1Aph rms] 0,83 0,54 0,20 Maximal temperature of the copper windings in the stator and max. temperature of the magnets [°C] 120 Motor efficiency [%] 92-98% Internal phase resistance at 25 °C [m?] 12,0 5,7 0,8 Input phase wire cross-section [mm2 ] 10,2 15,2 38 Wire connection star Induction Ld/Lq [µH] 125/130 52/56 7,2/7,5 Controller / motor signal sine wave AC voltage between two phases [Vrms/1RPM] 0,0487 0,0319 0,0117 Specific idle speed (no load RPM) [RPM/1Vdc] 15 22 58 Specific load speed (depends on the controller settings) [RPM/1Vdc] 11 – 15 18 – 22 50 – 58 Magnetic field weakening (for higher RPM at the same power and lower torque) [%] up to 100 Magnetic flux – axial [Vs] 0,0393 0,0257 0,095 Temperature sensor in the motor kty 81/210 Number of pole pairs 10 Rotor Inertia (mass dia=160mm, m=4,0kg) [kg*cm²] 256 Bearings (front:back) - SKF/FAG 6206:6206 (for radial forces) or 6206:7206 (for axial-radial forces; for pull mode; e.g. for air propeller) or 6206:3206 (for axial-radial forces; for pull-push mode; »O« orientation, α=25°); other bearings are possible (exceptionally)