Micro Diameter 37mm Brushless Dc Spur Motor, BLDC 12V Motor With
Spur Gearhead
Model: BLD3657 3 phase 4 poles brushless spur motor, with built-in
driver
Permissible torque range 0.6N.m for continuous running
Optional components: magnetic/optical encoder; power-on/power-off
brake; cable connector; controller Customized shaft & flange
dimensions and technical specifications are available upon
requested.
| Motor type | Brushless DC motor |
| Gearbox type | Spur |
| Pole | 4 |
| Phase | 3 |
| Diameter | Gearbox: 37mm; DC motor: 36mm |
| Nominal voltage | 12V/24V DC or customized |
| Gear ratio | 1:6 ~1: 250 |
| No load current | 200mA;400mA |
| Nominal current | 550mA;850mA |
| No load speed | 4000rpm |
| Nominal speed | 3000rpm |
| Permissible load range | 0.6N.m for S1 duty cycle |
| Driver | Built-in driver |
| Rated power | 4.7W;6.3W |
Dimension:
Brushless motor technical data:
| Model | Number of Poles | Number of phase | Rated voltage | No-load speed | No-load current | Rated torque | Rated speed | rated current | Rated Power |
| | # | # | V DC | r/min | mA | mN.m | r/min | mA | W |
| BLD3740-1240 | 4 | 3 | 12 | 4000 | 400 | 15 | 3000 | 850 | 4.7 |
| BLD3740-2440 | 4 | 3 | 24 | 4000 | 200 | 20 | 3000 | 550 | 6.3 |
Brushless planetary gear motor technical data ( BLD3740-1240):
| Reduction ratio | 6 | 10 | 18 | 30 | 50 | 75 | 100 | 150 | 200 | 250 |
| Number of gear trains | 2 | 2 | 3 | 3 | 4 | 4 | 4 | 5 | 5 | 5 |
| Length mm | 21.5 | 21.5 | 26.5 | 26.5 | 29 | 29 | 29 | 31.5 | 31.5 | 31.5 |
| No-load speed rpm | 667 | 400 | 222 | 133 | 80 | 53 | 40 | 27 | 20 | 20 |
| Rated speed rpm | 500 | 300 | 167 | 100 | 60 | 40 | 30 | 20 | 15 | 12 |
| Rated torque N.m | 0.07 | 0.12 | 0.2 | 0.33 | 0.49 | 0.73 | 0.96 | 1 | 1 | 1 |
| Max permissible load in a short time N.m | 1 | 1 | 3.5 | 3.5 | 3.5 | 7.5 | 7.5 | 7.5 | 7.5 | 9 |
| direction of rotation | CCW | CCW | CW | CW | CCW | CCW | CCW | CW | CW | CW |
Brushless planetary gear motor technical data ( BLD3740-2440):
| Reduction ratio | 6 | 10 | 18 | 30 | 50 | 75 | 100 | 150 | 200 | 250 |
| Number of gear trains | 2 | 2 | 3 | 3 | 4 | 4 | 4 | 5 | 5 | 5 |
| Length mm | 21.5 | 21.5 | 26.5 | 26.5 | 29 | 29 | 29 | 31.5 | 31.5 | 31.5 |
| No-load speed rpm | 667 | 400 | 222 | 133 | 80 | 53 | 40 | 27 | 20 | 15 |
| Rated speed rpm | 500 | 300 | 167 | 100 | 60 | 40 | 30 | 20 | 15 | 12 |
| Rated torque N.m | 0.1 | 0.16 | 0.26 | 0.44 | 0.65 | 0.98 | 1 | 1 | 1 | 1 |
| Max permissible load in a short time N.m | 0.5 | 0.5 | 1.5 | 1.5 | 3 | 3 | 3 | 3 | 3 | 3 |
| direction of rotation | CCW | CCW | CW | CW | CCW | CCW | CCW | CW | CW | CW |
Wire diagram:
Typical Application:
-Motors for Office apparatus and medical devices
• Printer, Copier, Projector, Shredder, fax ( paper cutter ),
computer peripheral, lifting socket etc.
• breath machine, medical cleaning pump, medical ventilator,
medical bed, dental instrument, surgical robot etc
- Motors for Power tool and fitness equipment
• Electric screwdriver, Electric hydraulic pliers, Electric
scissors,
• Fascia gun, massage chair, treadmill
-Motors for Household appliances and personal care
• Air purifier, smart toilet, hair dryer, hair curler, tooth brush,
vibration, rubdown machine, foot grinder, facial beauty equipment,
eyebrow tweezer, electric threading knife
• Blender, sweeper, window cleaner, small household appliances
