Specifications
Information: Drawings are not to scale.
| Values at nominal voltage |
| Nominal voltage |
48 V |
| No load speed |
1960 rpm |
| No load current |
278 mA |
| Nominal speed |
1660 rpm |
| Nominal torque (max. continuous torque) |
972 mNm |
| Nominal current (max. continuous current) |
4.09 A |
| Stall torque |
9430 mNm |
| Stall current |
57.1 A |
| Max. efficiency |
87 % |
| Characteristics |
| Terminal resistance |
0.841 Ω |
| Terminal inductance |
1.07 mH |
| Torque constant |
231 mNm/A |
| Speed constant |
41.3 rpm/V |
| Speed / torque gradient |
0.15 rpm/mNm |
| Mechanical time constant |
8.34 ms |
| Rotor inertia |
5300 gcm² |
| Thermal data |
| Thermal resistance housing-ambient |
1.78 K/W |
| Thermal resistance winding-housing |
1.82 K/W |
| Thermal time constant winding |
54.3 s |
| Thermal time constant motor |
265 s |
| Ambient temperature |
-40...+100 °C |
| Max. winding temperature |
+125 °C |
| Mechanical data |
| Bearing type |
keine |
| Max. speed |
5000 rpm |
| Axial play |
-1 mm, at radial load < 0 N |
|
-1 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, 10 mm from flange |
| Other specifications |
| Number of pole pairs |
11 |
| Number of phases |
3 |
| Number of autoclave cycles |
0 |
| Product |
| Weight |
814 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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