EC frameless DT 38 S ∅ 42 mm, brushless, 110 W Dynamic Torque, potted in mounting flange
M 1:2
Stock program Standard program Special program (on request)
Part numbers
sensorless
814370
Motor data¹
Values at nominal voltage 1 Nominal voltage 2 No load speed 3 No load current 4 Nominal speed 5 Nominal torque
24 12 400 261 9430 134 6.3 641 0.267 0.182 18.2 524 7.7 0.98 12.2 89.9 89.5
V
rpm mA rpm mNm mNm A
6 Nominal current (max. continuous current)
7 Stall torque 8 Stall current 9 Max. efficiency
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
¹The nominal data refer to a thermal resistance, housing-ambient (R th2 ) of 4.5 K/W.
n [rpm]
4.5...7.3 K/W 0.6 K/W 4.5 s 451 s
110 W
19 Thermal time constant winding 20 Thermal time constant motor 21 Ambient temperature 22 Max. winding temperature Mechanical data 23 Max. speed
15000
814370
-40…+100 °C +155 °C
Continuous operation range at Rth2 of 7.3 K/W With mounting flange Continuous operation range at Rth2 of 4.5 K/W Installed in a ∅ 48 mm aluminum housing M ounted on an aluminum plate sized 95x95x6 mm
10000
15 000 rpm
5000
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
7 3
0
200 M [mNm]
125 g 64 g
0 50 100
150
Modular system
447_ESCON2 Micro 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 CAN 463_EPOS4 Disk 60/8 EtherCAT Control Electronics Details on catalog page 60
Sensors 427_TSX 38 MAG with
commutation signals
Variants
maxon integration into customer housing on request. Other coil designs on request.
maxon 243
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