EC frameless HT 90 S ∅ 90 mm, brushless, 500 watt High Torque
M 1:2
Stock program Standard program Special program (on request)
Part numbers
V1 sensorless V2 with Hall sensors
937560 937587
Motor data1 (provisional) Values at nominal voltage 1 Nominal voltage
48 3230 372 2710 1760 11.3 7310 267 92.6 0.18 0.37 141 67.7 0.086 0.63 696
V
2 No load speed 3 No load current 4 Nominal speed 5 Nominal torque 7 Stall torque 8 Stall current 9 Max. efficiency
rpm mA rpm mNm mNm A
6 Nominal current (max. continuous current)
A %
Characteristics 10 Terminal resistance phase to phase 11 Terminal inductance phase to phase
Ω
mH
12 Torque constant 13 Speed constant 14 Speed/torque gradient 15 Mechanical time constant
mNm/A rpm/V rpm/mNm
ms gcm 2
16 Rotor inertia
Specifications
Operating range
Comments
Thermal data 17 Thermal resistance housing-ambient 18 Thermal resistance winding-housing (R th1 )
n [rpm]
¹The nominal data refer to a thermal resistance, housing-ambient (R th2 ) of 1.4 K/W.
1.4…2.6 K/W 1.26 K/W 66.5 s -40…+100 °C +155 °C 577 s
19 Thermal time constant winding 20 Thermal time constant motor 21 Ambient temperature 22 Max. winding temperature Mechanical data 23 Max. speed
500 W
937560
Continuous operation range at R th2 of 2.6 K/W Installed in a ∅ 103 mm aluminum housing Continuous operation range at R th2 of 1.4 K/W Installed in a ∅ 103 mm aluminum housing Mounted on an aluminum plate sized 225x225x10 mm
5000 rpm
Other specifications 29 Number of pole pairs 30 Number of phases 31 Weight of motor
Intermittent operation Assigned power rating
10 3
444
Values listed in the table are nominal. Connection motor (cable AWG 14) V1 V2 red Motor winding 1
M [mNm]
Modular system
Details on catalog page 60
448_ESCON2 Module 60/30 449_ESCON2 Compact 60/12 450_ESCON2 Compact 60/30 450_ESCON2 60/12 456_EPOS4 Module 50/15 457_EPOS4 Module 60/20 STO 460_EPOS4 Compact 50/15 461_EPOS4 Compact 60/20 STO 462_EPOS4 70/15 463_EPOS4 Disk 60/12 Control Electronics
Motor winding 1
black white
Motor winding 2 Motor winding 2 Motor winding 3 Motor winding 3
Commutation (cable AWG 26) yellow
Hall sensors 1 Hall sensors 2 Hall sensors 3 V hall 4.5…24 VDC GND
brown grey blue green
Connection NTC (cable AWG 26) black NTC black NTC Resistance 25 °C: 10 kΩ ±1%, beta (25–85 °C): 3480 K Comment For Torque control data, refer to "Installation Manual" available on maxon online shop.
Variants
Other coil designs on request.
maxon 259
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