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Constar 1215 Brushless DC Motor B1215N2B

Constar 1215 Brushless DC Motor B1215N2B
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Constar 1215 Brushless DC Motor B1215N2B

Product catalog summary
Overview: This document provides technical specifications for the B1215N2B brushless DC motor, designed for precision drives in medical equipment and industrial automation fields. It features an inner rotor, slotless, and sensorless design.
Main Specifications:
  • Voltage: 3.6V, 4.5V, 7.4V
  • Terminal Resistance: 0.67Ω, 5.2Ω, 2.6Ω
  • No-load Speed: 35000 rpm, 14500 rpm, 42500 rpm
  • No-load Current: 0.3A, 0.1A, 0.2A
  • Stall Torque: 4.7 mNm, 2.0 mNm, 4.0 mNm
  • Stall Current: 5.4A, 0.9A, 2.9A
  • Nominal Torque: 0.7 mNm, 1.0 mNm, 0.3 mNm
  • Nominal Speed: 28200 rpm, 4400 rpm, 38000 rpm
  • Nominal Current: 1.1A, 0.5A, 0.4A
  • Max. Output Power: 4.3W, 0.8W, 4.6W
  • Max. Efficiency: 58%, 44%, 54%
  • Back-EMF Constant: 0.10 mV/rpm, 0.27 mV/rpm, 0.16 mV/rpm
  • Torque Constant: 0.93 mNm/A, 2.62 mNm/A, 1.55 mNm/A
  • KV Value: 9720 rpm/V, 3220 rpm/V, 5740 rpm/V
  • Speed/Torque Gradient: 7440 rpm/mNm, 7230 rpm/mNm, 10400 rpm/mNm
  • Rotor Inertia: 0.14 gcm²
  • Weight: 7g
  • Thermal Resistance: Housing-ambient: 37.8 K/W, Winding-housing: 6.2 K/W
  • Thermal Time Constant: Motor: 170s, Winding: 2s
  • Operating Temperature Range: -40°C to +100°C
  • Thermal Class of Winding: 155°C
  • Axial Play: 0.012 mm
  • Radial Play: 0.008 mm
  • Axial Load: Dynamic: 1N, Static: 25N
  • Radial Load: 6.3N at 3 mm from mounting face
  • No. of Pole Pairs: 1
  • Bearings: 2 ball bearings
  • Commutation: Sensorless
  • Protection Class: IP 20
Optional Parameters: Lead wires length, shaft length, special coils, gearheads, bearing type.
See more

Catalog excerpts

Constar 1215 Brushless DC Motor B1215N2B-1

B1215N2B 内转子无槽无传感器 Inner Rotor, Slotless, Sensorless 应用领域 : 医疗器械、 工业设备等精密驱动领域。 Applications: precision drives in medical equipment, industrial automation fields. Terminal resistance No-load speed No-load current Torque constant Back-EMF constant Nominal current Nominal speed Nominal torque Stall current Stall torque Speed/torque gradient Rotor inertia Thermal resistance housing-ambient Thermal resistance winding-housing Thermal time constant motor Thermal time constant winding Operating temperature range Thermal class of winding Radial play Axial play Axial load dynamic Axial load static Radial load at 3 mm from mounting face

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