DC-Micromotors
2668X048CR
Graphite Commutation
Key data
- Nominal voltage:
- 18 ... 48 V
- Rated torque up to:
- 71.2 mNm
- No-load speed up to:
- 7980 min⁻¹
- Stall torque up to:
- 660 mNm
- Diameter:
- 26 mm
- Length:
- 68 mm
Advantages
- Best dynamic performance due to a low rotor inertia
- Shockproof all-steel housing with corrosion-resistant coating
- Powerful rare-earth magnet
- Extremely wide operating temperature range -30 °C to 125 °C (optionally -55 °C, winding up to 155 °C)
- Durable graphite commutation
- No cogging
- Highest power density
| Product category: | DC-Micromotors | |
|---|---|---|
| Product family: | FAULHABER CR | |
| Nominal voltage: | UN | 48 V |
| Terminal resistance: | R | 4.23 Ω |
| Efficiency motor, max.: | ηmax | 88 % |
| No-load speed up to: | n0 | 7830 min⁻¹ |
| No-load current: | I0 | 0.0381 A |
| Rated torque up to: | MN | 71.2 mNm |
| Stall torque up to: | MH | 660 mNm |
| Speed constant: | kn | 162 min⁻¹/V |
| Back-EMF constant: | kE | 6.18 mV/min⁻¹ |
| Torque constant: | kM | 59 mNm/A |
| Current constant: | kI | 0.017 A/mNm |
| Slope of n-M curve: | 11.6 min⁻¹/mNm | |
| Rotor inductance: | L | 662 µH |
| Mechanical time constant: | Tm | 3.2 ms |
| Rotor inertia: | J | 26 gcm² |
| Angular acceleration: | αmax. | 254 ·10³rad/s² |
| Thermal resistance Rth1: | Rth1 | 3.6 K/W |
| Thermal resistance Rth2: | Rth2 | 10.9 K/W |
| Thermal resistance (external plastic flange): | Rth2 p | 10 K/W |
| Thermal resistance (external metal flange): | Rth2 m | 2.3 K/W |
| Thermal time constant (winding): | τw1 | 38 s |
| Thermal time constant (housing): | τw2 | 811.3 s |
| Thermal time constant (external plastic flange): | τw2 p | 780 s |
| Thermal time constant (external metal flange): | τw2 m | 170 s |
| Housing material: | steel, black coated | |
| Operating temperature, min.: | -30 °C | |
| Operating temperature, max.: | 125 °C | |
| Winding temperature, max.: | 155 °C | |
| Mass: | 189 g | |
| Speed up to: | nmax. | 10000 min⁻¹ |
| Diameter: | Ø | 26 mm |
| Length: | L | 68 mm |
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Datasheet
Technical Information