Constar 12V Double Shaft Brushless Motor BS3246NBH2B

Product catalog summary

Overview
This document provides technical specifications for the BS3246NBH2B brushless DC motor, designed for precision drives in medical equipment and industrial automation fields. The motor features an inner rotor, slotted design, and includes a Hall sensor for commutation.

Options
Customizable parameters include lead wire length, shaft length, special coils, gearheads, bearing type, and the inclusion of an encoder or driver.

Main Technical Specifications

Voltage: 12.0 V
Terminal Resistance: 2.4 Ω, 1.5 Ω, 3 Ω
No-load Speed: 5100 rpm, 8000 rpm, 4000 rpm
No-load Current: 0.2 A
Stall Torque: 103 mNm, 108.0 mNm
Stall Current: 5.0 A, 8.0 A, 4.0 A
Nominal Torque: 24.0 mNm
Nominal Speed: 4000 rpm, 6000 rpm, 2800 rpm
Nominal Current: 1.3 A, 2 A, 1 A
Max. Output Power: 12 W, 22.8 W, 10.8 W
Max. Efficiency: 60%, 70.8%
Back-EMF Constant: 2.2 mV/rpm, 1.5 mV/rpm, 2.8 mV/rpm
Torque Constant: 21.5 mNm/A, 14 mNm/A, 27.0 mNm/A
KV Value: 420 rpm/V, 666 rpm/V, 333.0 rpm/V
Speed/Torque Gradient: 48 rpm/mNm, 73 rpm/mNm, 38 rpm/mNm
Rotor Inertia: 26 gcm²
Weight: 130 g
Thermal Resistance: Housing-ambient: 16 K/W, Winding-housing: 3.5 K/W
Thermal Time Constant: Motor: 620 s, Winding: 4 s
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: 5 N, Static: 80 N
Radial Load: 29 N at 3 mm from mounting face
No. of Pole Pairs: 2
Bearings: 2 ball bearings
Commutation: Hall Sensor
Protection Class: IP 30

Catalog excerpts

Constar 12V Double Shaft Brushless Motor BS3246NBH2B-1

BS3246NBH2B 内转子有槽带传感器 Inner Rotor, Slotted, Sensored 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 Stall torque Stall current Nominal torque Nominal speed Nominal current 最大输出功率最大效率 Back-EMF constant Torque constant Rotor inertia Speed/torque gradient Thermal resistance housing-ambient Thermal time constant winding Thermal time constant motor Thermal resistance winding-housing 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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