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Constar Motion Co., LTD
Constar 19mm 24v DC Coreless Brush Motor 1925N9M

Constar 19mm 24v DC Coreless Brush Motor 1925N9M

Product catalog summary

Overview: This document provides the specifications for the Precision DC Coreless Motor by CONSTAR, designed for use in precision drive applications such as medical equipment, healthcare products, automotive, robotics, and industrial automation.

Specifications:

Voltage: Available in 6.0V, 12.0V, and 24.0V options.
Terminal Resistance: 2.8Ω, 9.6Ω, and 28.3Ω respectively.
No-load Speed: 6900 rpm, 8000 rpm, and 8500 rpm.
No-load Current: 25 mA, 15 mA, and 9 mA.
Stall Torque: 17.4 mNm, 17.5 mNm, and 22.4 mNm.
Stall Current: 2140 mA, 1250 mA, and 850 mA.
Nominal Torque: 4.0 mNm for all models.
Nominal Speed: 5310 rpm, 6170 rpm, and 6980 rpm.
Nominal Current: 510 mA, 300 mA, and 160 mA.
Max. Output Power: 3.1 W, 3.7 W, and 5.0 W.
Max. Efficiency: 80%, 79%, and 81%.
Back-EMF Constant: 0.9 mV/rpm, 1.5 mV/rpm, and 2.8 mV/rpm.
Torque Constant: 8.2 mNm/A, 14.2 mNm/A, and 26.7 mNm/A.
Speed/Torque Gradient: 400 rpm/mNm, 460 rpm/mNm, and 380 rpm/mNm.
Rotor Inertia: 0.6 gcm² for all models.
Weight: 30 g for all models.
Thermal Resistance: Housing-ambient: 22.4 K/W, Winding-housing: 3.79 K/W.
Thermal Time Constant: Motor: 267 s, Winding: 232 s.
Operating Temperature Range: -20°C to +85°C.
Thermal Class of Winding: 130°C.
Axial Play: 0.02 mm to 0.15 mm.
Radial Play: 0.025 mm.
Axial Load: Dynamic: 2.2 N, Static: 30 N.
Radial Load: 8 N at 3 mm from mounting face.
No. of Pole Pairs: 1.
Bearings: 2 sleeve bearings.
Commutator: Precious metal, 9 segments.
Protection Class: IP 30.

Options: Customizable lead wire length, shaft length, special coils, bearing type, and gearheads.

Catalog excerpts

Constar 19mm 24v DC Coreless Brush Motor 1925N9M-1

PRECISION DC CORELESS MOTOR 1925N9M 贵金属电刷 Precious Metal Commutation 应用领域 : 医疗、保健、汽车、机器人、工业自动化等精密驱动领域。 Applications: precision drives in medical equipment and devices, healthcare products, automotive, robotics, and industrial automation. Terminal resistance No-load speed No-load current Stall current Stall torque Nominal torque Nominal speed Nominal current Back-EMF constant Torque constant Rotor inertia Speed/torque gradient Thermal resistance housing-ambient Thermal resistance winding-housing Thermal time constant winding Thermal time constant motor 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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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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