EC frameless DT 50 S ∅ 50 mm, brushless, 230 watt Dynamic Torque
M 2:3
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 (Rth2) 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 Rth2 of 4.0 K/W Installed in a ∅ 62 mm aluminum housing Continuous operation range at Rth2 of 2.1 K/W Installed in a ∅ 62 mm aluminum housing Mounted on an aluminum plate sized 125×125×10 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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