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Serie 2657 ... CR
Serie 2657 ... CR
Serie 2657 ... CR
Serie 2657 ... CR
Serie 2657 ... CR
Serie 2657 ... CR
DC-Micromotors

2657X018CR

Graphite Commutation

Key data

Nominal voltage:
12 ... 48 V
Rated torque up to:
51.1 mNm
No-load speed up to:
6150 min⁻¹
Stall torque up to:
302 mNm
Diameter:
26 mm
Length:
57 mm
More product details
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Available on inquiry

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
Productcategory: DC-Micromotors
Productfamily: FAULHABER CR
Nominal voltage: UN 18 V
Terminal resistance: R 1.7 Ω
Efficiency motor, max.: ηmax 82 %
No-load speed up to: n0 6000 min⁻¹
No-load current: I0 0.0723 A
Rated torque up to: MN 50.2 mNm
Stall torque up to: MH 288 mNm
Speed constant: kn 340 min⁻¹/V
Back-EMF constant: kE 2.75 mV/min⁻¹
Torque constant: kM 28.1 mNm/A
Current constant: kI 0.038 A/mNm
Slope of n-M curve: 20.5 min⁻¹/mNm
Rotor inductance: L 217 µH
Mechanical time constant: Tm 3.9 ms
Rotor inertia: J 16 gcm²
Angular acceleration: αmax. 170 ·10³rad/s²
Thermal resistance Rth1: Rth1 4.1 K/W
Thermal resistance Rth2: Rth2 12.19 K/W
Thermal resistance (external plastic flange): Rth2 p 12 K/W
Thermal resistance (external metal flange): Rth2 m 2.7 K/W
Thermal time constant (winding): τw1 30 s
Thermal time constant (housing): τw2 771.13 s
Thermal time constant (external plastic flange): τw2 p 740 s
Thermal time constant (external metal flange): τw2 m 170 s
Housing material: steel, nickel plated
Operating temperature, min.: -30 °C
Operating temperature, max.: 125 °C
Winding temperature, max.: 155 °C
Mass: 156 g
Speed up to: nmax. 7000 min⁻¹