Servomotor ULTRACT II Symbol UL 72615-3
Reference data: Units
Nominal torque, c. duty S1, 0 speed, DT=100C T100 35,83 Nmrms
Nominal torque, c. duty S1, 0 speed (DT=65°C, in air) 1) Tn 28,88 Nmrms
Base speed wn 157 rad/s
Nominal power, S1 65 C 1) Pn 4004 W
Nominal power, S1 100 C 2) P100 5726 W
Torque at max. speed 1) Tw 25,51 Nmrms
Torque at max. speed 2) Tw 100 36,47 Nmrms
Peak torque, S.I.R. 10% Tpk 96,30 Nmrms
Physical data:
Maximum speed wmax 700 rad/s
Rotor inertia Jm 2,42 mkgm 2
Acceleration at peak torque apk 39794 rad/s 2
Max. shock on motor, any direction S 200 m/s 2
Max. vibration, radial Vr 200 m/s 2
Max. vibration, axial Va 30 m/s 2
Shaft torsional resonance frequency 3) fm 600 Hz
Mass M 26 kg
Insulation
Cooling
Protection 4)
Thermal data:
Motor losses at nominal power, DT 65C Ln 222 W
ULTRACT II - Technical Data Summary
Winding Class H / Motor Class F
Convection (IC0041)
Motor losses at nominal power, DT 65C Ln 222 W
Thermal impedance, motor to air Rtha 0,293 °C/W
Thermal impedance, motor to air+flange Rthf 0,22 °C/W
Thermal capacity Cth 13877 J/°C
Thermal time constant in air ta 4063 s
No load losses at base speed L0 45 W
Treshold of built-in PTC PTCt 130 °C
Electrical data:
Pole number PN 8
Connection Y
Back E.M.F., 20°C 5) Ke 1,94 Vs
Torque constant Kt 3,35 Nm/Arms
Temperature coefficient of E.M.F. dKe/dT -0,09 %/°C
Winding resistance, 20°C 5) Rw 1,50 Ohm
Winding inductance (1000 Hz) Lw 11,56 mH
Nominal Voltage Vn 318 Vrms
E.M.F. at 3000 rpm V3000 608 Vrms
Nominal current, zero speed, DT=100C In0 11 Arms
Nominal current at nom. power 1) In 8,1 Arms
Peak current Ipk 28 Arms
Frequency fn 100 Hz
Efficiency at rated power n 0,95
Min. demag. current, 125°C Idm 53 Apk
Winding capacitance to ground Wc 32,00 nF
Note
1) Motor suspended in horizontal position in free still air, ambient temperature=20°C
2) Motor flanged to 20 mm aluminium base at 20°C in hor. position, ambient temperature=20°C
3) With int. coupling and inf. load inertia applied in the middle of the shaft extension
4) Standard type
5) Typical data, tolerance = +/- 10%
Remark: All quantities are in S.I. units, 20°C unless stated otherwise
