EC frameless DT 50 S ∅ 50 mm, brushless, 230 watt Dynamic Torque
M 1:2
Stock program Standard program Special program (on request)
Part numbers
with Hall sensors
951176
Motor data 1 (provisional) Values at nominal voltage 1 Nominal voltage
48 6650 150 5830 364 6.28 1890 81.2 91.6 0.591 0.384 68.5 139 1.200 0.881 70
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 (R th2 ) 18 Thermal resistance winding-housing
n [rpm]
¹The nominal data refer to a thermal resistance, housing-ambient (R th2 ) of 2.1 K/W.
2.1...4.0 K/W 1.45 K/W 19.8 s 453 s
19 Thermal time constant winding 20 Thermal time constant motor 21 Ambient temperature 22 Max. winding temperature Mechanical data 23 Max. speed
230 W
3000 4000 5000 6000 7000 1000 2000
951176
-40…+100 °C +155 °C
Continuous operation range at R th2 of 4.0 K/W Installed in a ∅ 62 mm aluminum housing Continuous operation range at R th2 of 2.1 K/W Installed in a ∅ 62 mm aluminum housing Mounted on an aluminum plate sized 125x125x10 mm
7000 rpm
Other specifications 29 Number of pole pairs 30 Number of phases 31 Weight of motor Values listed in the table are nominal. Connection motor Pin 1 Motor winding 1 Pin 2 Motor winding 2 Pin 3 Motor winding 3 Commutation Pin 4 Hall sensors 1 Pin 5 Hall sensors 2 Pin 6 Hall sensors 3 Pin 7 GND Pin 8 V hall 4.5…24 VDC Connection NTC Pin 9 NTC Pin 10 NTC Resistance 25 °C: 5 kΩ ±1%, beta (25–85 °C): 3490 K Comment For Torque control data, refer to "Installation Manual" available on maxon online shop.
10 3
Intermittent operation Assigned power rating
97 g 0
M [mNm]
0 100
300
200
400 500
Modular system
Details on catalog page 60
447_ESCON2 Micro 60/5 449_ESCON2 Compact 60/5 454_EPOS4 Micro 24/5 CAN 454_EPOS4 Micro 24/5 EtherCAT 455_EPOS4 Module 50/5 458_EPOS4 Compact 50/5 461_EPOS4 50/5 462_EPOS4 Disk 60/8 Control Electronics
Variants
Other coil designs on request.
maxon 245
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