Specifications
Information: Drawings are not to scale.
| Values at nominal voltage |
| Nominal voltage |
48 V |
| No load speed |
3960 rpm |
| No load current |
214 mA |
| Nominal speed |
3500 rpm |
| Nominal torque (max. continuous torque) |
310 mNm |
| Nominal current (max. continuous current) |
2.73 A |
| Stall torque |
5040 mNm |
| Stall current |
44 A |
| Max. efficiency |
87 % |
| Characteristics |
| Terminal resistance |
1.09 Ω |
| Terminal inductance |
0.864 mH |
| Torque constant |
114 mNm/A |
| Speed constant |
83.4 rpm/V |
| Speed / torque gradient |
0.794 rpm/mNm |
| Mechanical time constant |
10.4 ms |
| Rotor inertia |
1250 gcm² |
| Thermal data |
| Thermal resistance housing-ambient |
2.58 K/W |
| Thermal resistance winding-housing |
3.8 K/W |
| Thermal time constant winding |
48 s |
| Thermal time constant motor |
92.8 s |
| Ambient temperature |
-40...+100 °C |
| Max. winding temperature |
+125 °C |
| Mechanical data |
| Bearing type |
keine |
| Max. speed |
6000 rpm |
| Axial play |
-1 mm, at radial load < 0 N |
|
0 mm, at radial load > 0 N |
| Max. axial load (dynamic) |
0 N |
| Max. force for press fits (static) |
0 N |
| (static, shaft supported) |
0 N |
| Max. radial load |
0 N, 5 mm from flange |
| Other specifications |
| Number of pole pairs |
7 |
| Number of phases |
3 |
| Number of autoclave cycles |
0 |
| Product |
| Weight |
333 g |
| | | Continuous operation range
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| | | Short term operation range
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Description
The EC frameless motors are BLDC motor kits. Rotor and stator are delivered separately, without bearings and motor shaft, and connected only during assembly. The flat design, the high torques and plenty of space for cable glands allow a high level of integration into your application.
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