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22 x 451

Product catalog summary

Overview: The document provides detailed specifications for the 22X451 series of slotless brushless motors, highlighting their electrical, thermal, mechanical, and miscellaneous characteristics.

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.
Nominal Output Power: Up to 141 W.
Max. Efficiency: Approximately 92.5% to 92.9%.
Torque Constant: Ranges from 3.26 mNm/A to 8.87 mNm/A.
Terminal Resistance: From 0.089 Ω to 0.605 Ω.

Thermal Data:

Ambient Temperature: Operates between -40°C and 100°C.
Max. Winding Temperature: 155°C.

Mechanical Data:

Max. Speed: 63,000 rpm.
Ball Bearings Preload: 4.2 N.
Max. Axial Load (Dynamic): 4.2 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): Red (2.8-24 VDC), Blue (GND), Yellow (Sensor 1), Orange (Sensor 2), Green (Sensor 3).
NTC (Optional): Purple (NTC 1 and NTC 2).

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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22 x 451

22 x 451

Catalog excerpts

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