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Constar Motion Co., LTD
Constar 24v Brushless Gimbals motor BO4316NB2B

Constar 24v Brushless Gimbals motor BO4316NB2B

Product catalog summary

Overview
This document provides the specifications for the CONSTAR Brushless DC Motor, model BO4316NB2B, designed for applications in UAV gimbals and handheld gimbals. It features an outer rotor and operates without sensors.

Options
The motor offers various customizable options including lead wire length, shaft length, special coils, gearheads, bearing type, Hall sensor, encoder, and driver.

Technical Specifications

Voltage: Available in 24.0V and 12.0V versions.
Terminal Resistance: 3.8Ω for 24.0V and 1.4Ω for 12.0V.
Terminal Inductance: 2.8mH for 24.0V and 0.74mH for 12.0V.
No-load Speed: 3800 rpm for 24.0V and 3600 rpm for 12.0V.
No-load Current: 0.08A for 24.0V and 0.14A for 12.0V.
Stall Torque: 371 mNm for 24.0V and 264 mNm for 12.0V.
Stall Current: 6.3A for 24.0V and 8.6A for 12.0V.
Nominal Torque: 79.7 mNm for 24.0V and 69.5 mNm for 12.0V.
Nominal Speed: 2640 rpm for 24.0V and 2250 rpm for 12.0V.
Nominal Current: 1.43A for 24.0V and 2.37A for 12.0V.
Max. Output Power: 37W for 24.0V and 25W for 12.0V.
Max. Efficiency: 78.7% for 24.0V and 76.0% for 12.0V.
Back-EMF Constant: 6.24 mV/rpm for 24.0V and 3.28 mV/rpm for 12.0V.
Torque Constant: 59.5 mNm/A for 24.0V and 31.3 mNm/A for 12.0V.
Speed/Torque Gradient: 10.2 rpm/mNm for 24.0V and 13.6 rpm/mNm for 12.0V.
Rotor Inertia: 97 gcm² for both versions.
Weight: 71.5g for both versions.
Thermal Resistance: Housing-ambient is 5.8 K/W, winding-housing is 2.8 K/W.
Thermal Time Constant: Motor is 400s, winding is 13s.
Operating Temperature Range: -40°C to +120°C.
Thermal Class of Winding: 155°C.
Axial Play: 0.012 mm.
Radial Play: 0.008 mm.
Axial Load: Dynamic is 8N, static is 85N.
Radial Load: 26N at 3 mm from mounting face.
No. of Pole Pairs: 8.
Bearings: 2 ball bearings.
Commutation: Sensorless.
Protection Class: IP 30.

Catalog excerpts

Constar 24v Brushless Gimbals motor BO4316NB2B-1

BO4316NB2B 外转子无传感器 Outer Rotor, Sensorless 应用领域 : 无人机云台、手持云台。 Applications: UAV gimbals and handheld gimbals. Terminal resistance Terminal inductance No-load speed No-load current Stall torque Stall current Nominal torque Nominal speed Nominal current Back-EMF constant Torque constant 额定转速额定电流最大输出功率最大效率反电势常数转矩常数 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

Open the catalog to page 1

Constar 24v Brushless Gimbals motor BO4316NB2B

Constar 24v Brushless Gimbals motor BO4316NB2B

Catalog excerpts

All Constar Motion Co., LTD catalogs and technical brochures