FA-3553RC Coreless Brushed DC Motor
The FA-3553RC is a 40W industrial coreless brushed DC motor with Φ35mm diameter and 53mm body length. It adopts wear-resistant graphite carbon brushes, 13-segment commutator and heavy-duty ball bearings for long-cycle stable operation. Four voltage grades from low 6V to industrial 48V are available, and it supports matched gearbox and encoder for closed-loop precision drive systems.
• Dimension: Φ35mm × Length 53mm
• Rated Power: 40W
• Voltage Options: 6.0V / 12.0V / 24.0V / 48.0V
• Graphite carbon brush + heavy-duty ball bearings
• Optional customized gearbox & multi-channel encoder
Mechanical Dimensions
Dimensions are in mm. Please refer to the datasheet for tolerances and mounting details.
Performance Parameters
| Motor specifications | 07A | 11A | 03A | 12A | |
|---|---|---|---|---|---|
| Nominal voltage | V | 6.0 | 12.0 | 24.0 | 48.0 |
| No load speed | rpm | 5200 | 8900 | 7800 | 4600 |
| No load current | mA | 210 | 180 | 130 | 30 |
| Nominal speed | rpm | 3900 | 6675 | 5850 | 3450 |
| Nominal torque | mNm | 66.12 | 101.6 | 89 | 56.94 |
| Nominal current | A | 6.16 | 8.03 | 3.13 | 0.6 |
| Stall torque | mNm | 264 | 406 | 356 | 227 |
| Stall current | A | 24 | 31.58 | 12.12 | 2.29 |
| Terminal resistance | Ω | 0.25 | 0.38 | 1.98 | 21 |
| Torque constant | mNm/A | 10.8 | 12.6 | 28.8 | 97.7 |
| Speed constant | rpm/V | 886 | 741 | 325 | 96 |
| Mechanical time constant | ms | 11.4 | 12.6 | 12.8 | 12 |
| Rotor inertia | gcm² | 58.1 | 57.5 | 58.6 | 59.3 |
Optical Gearbox
| N/A | |
|---|---|
Optional encoder
| N/A | |
|---|---|
Other Specifications
| Other specifications | |||
|---|---|---|---|
| Operating temperature range | -20…+80℃ | Bearing type | Ball bearings |
| Number of pole pairs | 1 | Brush type | Graphite brushes |
| Number of phases | 13 | Weight of motor | 227.58g |
Engineering Overview
FA-3553RC adopts graphite brushes and a 13-segment commutator to reduce abrasion under high current and extend service life. It features large rotor inertia for stable speed under fluctuating loads, with four wide voltage options covering 6V low-voltage to 48V industrial high-voltage. Moderate mechanical time constant ensures smooth dynamic response, and matched gearbox & encoder support heavy-load closed-loop control.
Typical Applications:
• Industrial heavy-load miniature actuators
• Large-flow industrial micro pumps
• Automated transmission equipment
• 48V portable industrial machinery
• Precision lab drive devices