FA-2453RB (Tool) Coreless Brushless DC Motor
FA-2453RB (Tool) is a high-power 45W coreless brushless DC motor tailor-made for handheld cordless power tools, with 24mm outer diameter and 53mm ultra-long body. It adopts reinforced heavy-duty ball bearings to withstand frequent vibration, impact and continuous cutting work. Built-in 3-channel hall sensor delivers steady closed-loop speed control under fluctuating material loads. This model includes four winding versions: one 24V low-speed high-torque option and three 30V high-speed options to cover different polishing, engraving and grinding demands. Custom planetary gearbox and encoders are available for low-speed precision polishing scenarios.
• Dimension: Φ24mm × Length 53mm
• Max Transmission Power: 45W
• Voltage Options: 24V(02A) / 30V(03A/04A/01A)
• Reinforced shock-resistant ball bearings + integrated 3-phase hall sensor
• Multi-color split power & signal silicone wires; Optional planetary gearbox & encoder
Mechanical Dimensions
Dimensions are in mm. Please refer to the datasheet for tolerances and mounting details.
Performance Parameters
| Motor specifications | 02A | 03A | 04A | 01A | |
|---|---|---|---|---|---|
| Nominal voltage | V | 24 | 30 | 30 | 30 |
| No load speed | rpm | 12500 | 16500 | 20000 | 21500 |
| No load current | mA | 150 | 160 | 200 | 230 |
| Nominal speed | rpm | 11300 | 14900 | 18100 | 19400 |
| Nominal torque | mNm | 27.32 | 36.39 | 43.9 | 45.76 |
| Nominal current | A | 1.63 | 2.24 | 3.25 | 3.64 |
| Stall torque | mNm | 287.6 | 383 | 462.1 | 481.6 |
| Stall current | A | 15.69 | 22.06 | 32.26 | 36.14 |
| Terminal resistance | Ω | 1.53 | 1.36 | 0.93 | 0.83 |
| Torque constant | mNm/A | 21.39 | 17.01 | 14.03 | 13.06 |
| Speed constant | rpm/V | 437 | 550 | 666 | 716 |
| Mechanical time constant | ms | 2.5 | 2.48 | 2.49 | 2.57 |
| Rotor inertia | gcm² | 5.75 | 5.75 | 5.75 | 5.75 |
Optical Gearbox
| N/A | |
|---|---|
Optional encoder
| N/A | |
|---|---|
Terminal data
| Terminal data | |
|---|---|
| Teminal model : |
Other Specifications
| Other specifications | |||
|---|---|---|---|
| Operating temperature range | -20…+80℃ | Bearing type | Ball bearings |
| Number of pole pairs | 1 | ||
| Number of phases | 3 |
Engineering Overview
FA-2453RB (Tool) power tool coreless BLDC removes iron cogging torque and mechanical brush abrasion for ultra-smooth low-vibration rotation and extended service life. Reinforced double ball bearings withstand shock, dust and cyclic heavy cutting loads. Large rotor inertia delivers huge stall torque to handle tough material carving and grinding. Compatible with 24V/30V lithium battery power tools, built-in hall sensors stabilize rotation speed under load fluctuations. Matched gearbox converts output to low-speed high-torque for delicate polishing tasks.
Typical Applications:
• Cordless jade, metal and wood engraving carving power tools
• Handheld dental polishing, manicure grinding equipment
• Mini industrial surface deburring & sanding machines