Constar 40mm 18V Slotless DC Brushless Motor B4040NH2B

Product catalog summary

Overview: This document provides technical specifications for the B4040NH2B brushless DC motor, designed for precision drives in medical equipment and industrial automation fields. It includes options for customization and detailed technical characteristics.

Specifications:

Voltage: 18.0V, 24.0V
Terminal Resistance: 1.5Ω, 2Ω, 2.8Ω
No-load Speed: 42000 rpm, 30000 rpm
No-load Current: 0.168A, 0.2A
Stall Torque: 47.7 mNm, 63.3 mNm, 62.5 mNm
Stall Current: 12A, 8.6A
Nominal Torque: 5 mNm
Nominal Speed: 37000 rpm, 38000 rpm, 27000 rpm
Nominal Current: 1.4A, 1.2A, 0.9A
Max. Output Power: 52.6W, 69.7W, 49.1W
Max. Efficiency: 77.7%, 75.8%, 71.7%
Back-EMF Constant: 0.4 mV/rpm, 0.56 mV/rpm, 0.78 mV/rpm
Torque Constant: 4.0 mNm/A, 5.4 mNm/A, 7.5 mNm/A
KV Value: 2333.3 rpm/V, 1750 rpm/V, 1250 rpm/V
Speed/Torque Gradient: 879.7 rpm/mNm, 663.3 rpm/mNm, 480.3 rpm/mNm
Rotor Inertia: 20 gcm²
Weight: 200g
Thermal Resistance (Housing-Ambient): 9 K/W
Thermal Resistance (Winding-Housing): 2.4 K/W
Thermal Time Constant (Motor): 1400s
Thermal Time Constant (Winding): 20s
Operating Temperature Range: -40°C to +120°C
Thermal Class of Winding: 155°C
Axial Play: 2.3 mm
Radial Play: 0.012 mm
Axial Load Dynamic: 8N
Axial Load Static: 110N
Radial Load at 3mm from Mounting Face: 31N
No. of Pole Pairs: 2
Bearings: 2 ball bearings
Commutation: Hall Sensor
Protection Class: IP 20

Customization Options: Lead wires length, shaft length, special coils, gearheads, bearing type, Hall sensor.

Applications: Suitable for precision drives in medical equipment and industrial automation fields.

Catalog excerpts

Constar 40mm 18V Slotless DC Brushless Motor B4040NH2B-1

B4040NH2B 内转子无槽带传感器 Inner Rotor, Slotless, 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 current Nominal speed Nominal torque Stall torque Nominal current Torque constant Back-EMF constant Speed/torque gradient Rotor inertia Thermal resistance housing-ambient Thermal resistance winding-housing Thermal time constant motor Thermal time constant winding Thermal class of winding Axial play Radial play 热阻 ( 线圈 - 机壳 ) 热时常数 ( 电机 ) 热时常数 ( 线圈 ) 工作温度范围 Operating temperature range 绕组耐温等级轴向间隙径向间隙 Axial load dynamic Axial load static Radial load at 3 mm from mounting face

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