Constar 24v Big Outrunner Brushless DC Motor BO4831NH2B

Product catalog summary

Overview: This document provides technical specifications for the CONSTAR Brushless DC Motor, model BO4831NH2B, which is designed for precision applications such as UAVs and industrial automation.

Specifications:

Voltage Options: 18.0V, 24.0V, 36.0V
Terminal Resistance: 0.05Ω, 0.08Ω, 0.18Ω
No-load Speed: 10160 rpm for all voltage options
No-load Current: 1.1A, 0.9A, 0.6A
Stall Torque: 6053 mNm, 6726 mNm, 6727 mNm
Stall Current: 360.0A, 300.0A, 200.0A
Nominal Torque: 449 mNm, 447 mNm, 457 mNm
Nominal Speed: 7600 rpm, 7700 rpm
Nominal Current: 23.5A, 17.6A, 12A
Max. Output Power: 1609W, 1788W
Max. Efficiency: 89.2%, 89.3%
Back-EMF Constant: 1.8 mV/rpm, 2.4 mV/rpm, 3.5 mV/rpm
Torque Constant: 16.9 mNm/A, 22.5 mNm/A, 33.7 mNm/A
KV Value: 564 rpm/V, 423 rpm/V, 282 rpm/V
Speed/Torque Gradient: 1.68 rpm/mNm, 1.51 rpm/mNm
Rotor Inertia: 306 gcm²
Weight: 211g
Thermal Resistance: Housing-ambient: 1.14 K/W, Winding-housing: 0.38 K/W
Thermal Time Constant: Motor: 350s, Winding: 60s
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: 110N
Radial Load: 42N at 3 mm from mounting face
No. of Pole Pairs: 7
Bearings: 2 ball bearings
Commutation: Hall Sensor
Protection Class: IP 20

Options: Customizable lead wire length, shaft length, special coils, gearheads, and bearing types.

Applications: Suitable for UAVs and industrial automation requiring precision drive systems.

Catalog excerpts

Constar 24v Big Outrunner Brushless DC Motor BO4831NH2B-1

BO4831NH2B 外转子带传感器 Outer Rotor, Sensored 应用领域 : 无人机、工业设备等精密驱动领域。 Applications: UAV, industrial automation, etc. Terminal resistance No-load speed No-load current Stall torque Nominal torque Nominal speed Stall current Nominal current 最大输出功率最大效率 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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