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22X451

Product catalog summary

Overview: The document provides detailed specifications for the 22X451 series of slotless brushless motors, which are 22 mm in diameter and feature a 2-pole design. These motors are designed for high efficiency and performance, with a focus on compact size and power density.

Specifications:

Voltage Supply: Available in 18V, 24V, 36V, and 48V variants.
No-load Speed: Ranges from 51,600 to 53,800 rpm depending on the model.
No-load Current: Varies from 116 mA to 296 mA.
Max. Continuous Torque: Between 31.9 mNm and 33.9 mNm.
Max. Continuous Current: From 4.38 A to 11.42 A.
Nominal Speed: Between 49,793 rpm and 52,046 rpm.
Nominal Torque: Approximately 25.6 to 26.0 mNm.
Nominal Output Power: Ranges from 134 W to 141 W.
Power Density: Between 7.90 W/cm³ and 8.31 W/cm³.
Max. Efficiency: Up to 92.9%.
Torque Constant: From 3.26 mNm/A to 8.87 mNm/A.
Speed Constant: Ranges from 1,077 rpm/V to 2,932 rpm/V.
Terminal Resistance: Between 0.089 Ω and 0.605 Ω.
Terminal Inductance: From 0.0135 mH to 0.0990 mH.

Thermal Data:

Ambient Temperature: -40°C to 100°C.
Max. Winding Temperature: 155°C.

Mechanical Data:

Mechanical Time Constant: 1.51 ms.
Max. Speed: 63,000 rpm.
Ball Bearings Preload: 4.2 N.
Max. Axial Load (Dynamic): 4.2 N.
Max. Axial Force for Press Fits (Static): 125 N.
Max. Radial Load: 16 N at 5 mm from flange.

Miscellaneous:

Number of Poles: 2.
Number of Phases: 3.
Rotor Inertia: 1.8 g·cm².
Typical Noise Level: 42 dB(A) at 50,000 rpm.
Weight: 112 g.

Connection Details:

Phases: Phase 1 (Brown), Phase 2 (Black), Phase 3 (Grey).
Hall Sensor (Optional): 2.8 to 24 VDC, Red (Power), Blue (GND), Yellow (Sensor 1), Orange (Sensor 2), Green (Sensor 3).
NTC (Optional): NTC 1 and NTC 2 (Purple).

Note: Specifications are subject to change without notice.

Catalog excerpts

22X451022 mm, Slotless Brushless Motor 33.9 mNm, 141 W, 2-pole Voltage supply No-load speed No-load current Terminal inductance Number of poles Number of phases Rotor inertia Typical noise level [rpm] Weight of motor Hall sensor (Optional) Phase 1 Phase 2 Phase 3 2.8 ... 24 VDC GND Sensor 1 Sensor 2 Sensor 3 NTC 1 NTC 2 Specifications subject to change without notice

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22X451

22X451

Catalog excerpts

All Boreasa Technologies Co., Ltd catalogs and technical brochures