Constar KV100 Outer Rotor Brushless DC Motor BO8724N2B

Product catalog summary

Overview: This document provides technical specifications for the CONSTAR brushless DC motor model BO8724N2B, designed for applications such as UAVs, e-bikes, and industrial automation.

Specifications:

Voltage Options: 48.0V, 36.0V, 24.0V
Terminal Resistance: 0.33Ω, 0.17Ω, 0.085Ω
No-load Speed: 3600 rpm for all voltage options
No-load Current: 0.5A, 0.7A, 1.0A
Stall Torque: 18393 mNm, 20089 mNm, 17848 mNm
Stall Current: 145.5A, 211.8A, 282.3A
Nominal Torque: 1210 mNm
Nominal Speed: 3200 rpm
Nominal Current: 9.7A, 13A, 19.5A
Max. Output Power: 1732W, 1892W, 1681W
Max. Efficiency: 88.6%, 88.8%, 88.4%
Back-EMF Constant: 13.3 mV/rpm, 10.0 mV/rpm, 6.6 mV/rpm
Torque Constant: 126.9 mNm/A, 95.2 mNm/A, 64.3 mNm/A
KV Value: 75 rpm/V, 100 rpm/V, 133.3 rpm/V
Speed/Torque Gradient: 0.2 rpm/mNm
Rotor Inertia: 510 gcm²
Weight: 270g
Thermal Resistance: Housing-ambient: 1.1 K/W, Winding-housing: 0.48 K/W
Thermal Time Constant: Motor: 340s, Winding: 50s
Operating Temperature Range: -40°C to +120°C
Thermal Class of Winding: 180°C
Axial Play: 0.012 mm
Radial Play: 0.008 mm
Axial Load: Dynamic: 10N, Static: 140N
Radial Load: 145N at 3 mm from mounting face
No. of Pole Pairs: 21
Bearings: 2 ball bearings
Commutation: Sensorless
Protection Class: IP 20

Options: Lead wires length, shaft length, special coils.

Applications: Suitable for UAVs, e-bikes, and industrial automation.

Catalog excerpts

Constar KV100 Outer Rotor Brushless DC Motor BO8724N2B-1

BO8724N2B 外转子无传感器 Outer Rotor, Sensorless 应用领域 : 无人机、电动自行车、工业设备等精密驱动领域。 Applications: UAV, E-bike, industrial automation, etc. Terminal resistance No-load speed No-load current Stall torque Stall current Nominal current Nominal speed Nominal torque Torque constant Back-EMF constant Speed/torque gradient Rotor inertia Thermal resistance housing-ambient Thermal resistance winding-housing Thermal time constant winding Thermal time constant motor 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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