maxon flat
EC motor
EC 45 flat 42.8 mm, brushless, 50 Watt
Connector:
39-28-1083 Molex
M 1:2
Stock program
Standard program
Special program (on request)
Part Numbers
with Hall sensors
339285
251601
339286
339287
18
6720
247
5190
97.1
3.52
975
38.8
85
24
6710
185
5240
83.4
2.33
780
23.3
83
24
4730
106
3480
69.6
1.41
402
8.47
79
36
3360
42.3
2360
90.5
0.828
484
4.81
82
0.464
0.322
25.1
380
7.02
9.92
135
1.03
0.572
33.5
285
8.77
12.4
135
2.83
1.15
47.5
201
12
17
135
7.48
5.15
101
95
7.07
10
135
Motor Data
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Values at nominal voltage
Nominal voltage
V
No load speed
rpm
No load current
mA
Nominal speed
rpm
Nominal torque (max. continuous torque)
mNm
Nominal current (max. continuous current)
A
Stall torque
mNm
Stall current
A
Max. efficiency
%
Characteristics
Terminal resistance phase to phase
W
Terminal inductance phase to phase
mH
Torque constant
mNm/A
Speed constant
rpm/V
Speed/torque gradient
rpm/mNm
Mechanical time constant
ms
Rotor inertia
gcm2
Specifications
Operating Range
Comments
Thermal data
n [rpm]
17
Thermal resistance housing-ambient
4.53 K/W
18
Thermal resistance winding-housing
4.75 K/W
19
Thermal time constant winding
17.7 s
20 Thermal time constant motor
227 s
-40+100C
21 Ambient temperature
+125C
22 Max. winding temperature
Continuous operation
In observation of above listed thermal resistance
(lines 17 and 18) the maximum permissible winding temperature will be reached during continuous
operation at 25C ambient.
= Thermal limit.
Mechanical data (preloaded ball bearings)
23 Max. speed
10000 rpm
24 Axial play at axial
load < 4.0 N
0 mm
> 4.0 N
0.14 mm
25 Radial play
preloaded
26 Max. axial load (dynamic)
3.8 N
27 Max. force for press fits (static)
53 N
(static, shaft supported)
1000 N
28 Max. radial load, 5 mm from flange
20 N
Short term operation
The motor may be briefly overloaded (recurring).
Assigned power rating
Other specifications
maxon Modular System
8
29 Number of pole pairs
3
30 Number of phases
Planetary Gearhead
31 Weight of motor
110 g 42 mm
3 - 15 Nm
Values listed in the table are nominal.
Page 351
Spur Gearhead
Connection
45 mm
Pin 1
Hall sensor 1*
0.5 - 2.0 Nm
Pin 2
Hall sensor 2*
Page 353
Pin 3
VHall 4.518 VDC
Pin 4
Motor winding 3
Pin 5
Hall sensor 3*
Pin 6
GND
Pin 7
Motor winding 1
Pin 8
Motor winding 2
*Internal pull-up (713 kW) on pin 3
Wiring diagram for Hall sensors see p. 37
Cable
Connection cable Universal, L = 500 mm
Connection cable to EPOS, L = 500 mm
339380
354045
Option
With Cable and Connector
(Ambient temperature -20+100C)
300
maxon EC motor
1607_EC_motor.indd 300
Overview on page 2027
Encoder MILE
256 - 2048 CPT,
2 channels
Page 379
Recommended Electronics:
Notes
Page 26
ESCON Module 24/2
416
ESCON 36/3 EC 417
ESCON Mod. 50/4 EC-S 417
ESCON Module 50/5
417
ESCON 50/5 418
DEC Module 24/2
420
DEC Module 50/5
420
EPOS2 24/2
424
EPOS2 Module 36/2
424
EPOS2 24/5, 50/5
425
EPOS2 P 24/5
428
EPOS4 Module 50/8
431
EPOS4 Comp. 50/8 CAN 431
MAXPOS 50/5
435
April 2016 edition / subject to change
15.04.16 15:08
