BL42 Brushless DC Motor
BL42 Series
The BL42 uses a 42 mm diameter brushless motor body and offers 12 V and 24 V variants. Three-phase PWM control and a PG45 gearbox pairing are listed with the motor data.
Product Highlights
- Motor diameter: 42 mm
- Motor body length: 59 mm
- Listed rated voltages: 12 V, 24 V
- Listed rated power: 19–41.5 W
Customization Available
- Custom shaft diameter, length and features
- Winding and voltage options
- Hall sensors and feedback
- Lead wires and connectors
Product Specifications
| Model | BL42-124500 | BL42-126000 | BL42-244500 | BL42-246000 |
|---|---|---|---|---|
| Motor Model | BL42-124500 | BL42-126000 | BL42-244500 | BL42-246000 |
| Manufacturer Part Number | — | — | — | — |
| Motor Type | Brushless DC Motor | Brushless DC Motor | Brushless DC Motor | Brushless DC Motor |
| Rated Voltage (V) | 12 | 12 | 24 | 24 |
| No Load Speed (rpm) | 4500 | 6000 | 4500 | 6000 |
| Rated Speed (rpm) | 3900.00 | 4955.00 | 3820.00 | 5269.00 |
| No Load Current (mA) | 500 | 650 | 400 | 550 |
| Rated Current (mA) | 2040 | 900 | 1670 | 1920 |
| Stall Current (mA) | 14200 | 18900 | 11400 | 15300 |
| Rated Torque (mN·m) | 46.88 | 49.13 | 77.67 | 75.22 |
| Stall Torque (mN·m) | 358.83 | 346.37 | 592.91 | 557.70 |
| Rated Power (W) | 19.00 | 25.80 | 31.10 | 41.50 |
| Max Efficiency (%) | 73 | 73 | 74 | 74 |
| Motor Diameter (mm) | 42 | 42 | 42 | 42 |
| Motor Length (mm) | 59 | 59 | 59 | 59 |
| Motor Weight (kg) | 0.347 | 0.347 | 0.349 | 0.349 |
| Shaft Diameter (mm) | 5 | 5 | 5 | 5 |
| Shaft Configuration | Single | Single | Single | Single |
| Connector | — | — | — | — |
| Working Lifespan (hours) | 3000 | 3000 | 3000 | 3000 |
| Operating Temperature Range (°C) | -30 ~ 65 | -30 ~ 65 | -30 ~ 65 | -30 ~ 65 |
| Noise Level At 30 cm (dB) | 55 | 55 | 55 | 53 |
| Noise Level At 50 cm (dB) | 50 | 50 | 50 | 48 |
| Housing Material | Electrolytic zinc coated steel | Electrolytic zinc coated steel | Electrolytic zinc coated steel | Electrolytic zinc coated steel |
| Direction Of Rotation | Electronically reversible | Electronically reversible | Electronically reversible | Electronically reversible |
| Number Of Pole Pairs | 6 | 6 | 6 | 6 |
| Number Of Phases | 3 | 3 | 3 | 3 |
| Magnet Material | Nd2Fe14B | Nd2Fe14B | Nd2Fe14B | Nd2Fe14B |
| Enameled Wire Material | Enameled copper wire | Enameled copper wire | Enameled copper wire | Enameled copper wire |
| Insulation Class | UEW | UEW | UEW | UEW |
| Hall Sensor | Cusomized | Cusomized | Cusomized | Cusomized |
| Motor Control | 3 phase rectangular wave rectified + PWM | 3 phase rectangular wave rectified + PWM | 3 phase rectangular wave rectified + PWM | 3 phase rectangular wave rectified + PWM |
| Gearbox | PG45 | PG45 | PG45 | PG45 |
| Encoder | — | — | — | — |