EC frameless DT 50 S ∅ 54 mm, brushless, 220 watt Dynamic Torque
M 1:2
Stock program Standard program Special program (on request)
Part numbers
sensorless
734439
Motor data
Values at nominal voltage 1 Nominal voltage 2 No load speed 3 No load current 4 Nominal speed 5 Nominal torque
48 6650 150 5630 322 4.35 1890 81.2 91.6 0.591 0.384 68.5 139 1.2 0.881 70
V
rpm mA rpm mNm mNm A A
6 Nominal current (max. continuous current)
7 Stall torque 8 Stall current 9 Max. efficiency
%
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
Specifications 16 Rotor inertia
Operating range
Comments
19 Thermal time constant winding 20 Thermal time constant motor 21 Ambient temperature 22 Max. winding temperature Mechanical data 23 Max. speed Thermal data 17 Thermal resistance housing-ambient 18 Thermal resistance winding-housing
n [rpm]
4.02 K/W 1.4 K/W 15.9 s 453 s -40…+100°C +155°C
220 W
0 0 100 200 300 1000 2000 3000 4000 5000 6000 7000
734439
Continuous operation C ontinuous operation with reduced thermal resistance R th2 50%
7000 rpm
Other specifications 29 Number of pole pairs 30 Number of phases 31 Weight of motor (with mounting flange made of stainless steel) Weight for integration (without mounting flange) Values listed in the table are nominal. Connection motor (Cable AWG 18) red Motor winding 1 black Motor winding 2 white Motor winding 3 Connection NTC (Cable AWG 24) purple NTC blue 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.
Intermittent operation Assigned power rating
10 3
218 g 116 g
M [mNm]
400 500 600
Modular system
Details on catalog page 56
Motor Control 551_ESCON Module 50/5 553_ESCON 50/5 557_ESCON2 Micro 60/5 563_EPOS4 Micro 24/5 CAN 563_EPOS4 Micro 24/5 EtherCAT 564_EPOS4 Module 50/5 567_EPOS4 Compact 50/5 569_EPOS4 50/5 570_EPOS4 Disk 60/8 CAN 570_EPOS4 Disk 60/8 EtherCAT
Sensor 523_TSX 50 MAG with
commutation signals
Variants
maxon integration into customer housing on request Other coil designs on request
maxon EC motor 343
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