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Brushed Gear Motor DM-33RS520
Key Features
Diameter: 33mm
Voltage: 3.7V-24V
Output speed: 3rpm-300rpm
Rated torque: <0.8Nm
1. Bi-direction
2. Metal or Carbon Brush DC Motor
3. Spur Gears
4. Copper Plate Gear Case
5. Sleeve Bronze Bushings
Product Dimensions（unit:mm）：
Gearbox Data：
| Number of stages | 3 | 4 | 5 | 6 | 7 |
| Reduction Ratio i | 20 | 50 | 125 | 312.5 | 781 |
| Gearbox Length L (mm) | 17.7 | 19.9 | 22.2 | 24.4 | 26.75 |
| Breaking Torque(kgf.cm) | 10 | 15 | 20 | 24 | 24 |
| Gearbox Efficiency | 73% | 65% | 59% | 53% | 48% |
Driving Motor Data：
| DC Motor Model | Rated | No Load | Max Efficiency Load | Stall | |||||
| Volt. | Current | Speed | Current | Speed | Torque | P.out | Torque | Current | |
| V | mA | r/min | mA | r/min | gf.cm | W | gf.cm | mA | |
| DM-520-012-3000 | 12 | ≤20 | 3000 | ≤110 | 2200 | 25 | 0.6 | ≥100 | ≥400 |
| DM-520-012-4500 | 12 | ≤30 | 4500 | ≤150 | 3300 | 35 | 1.2 | ≥140 | ≥850 |
| DM-520-012-6000 | 12 | ≤40 | 6000 | ≤400 | 4500 | 45 | 2.1 | ≥180 | ≥1400 |
| DM-520-024-3000 | 24 | ≤15 | 3000 | ≤60 | 2200 | 25 | 0.6 | ≥100 | ≥200 |
| DM-520-024-4500 | 24 | ≤20 | 4500 | ≤80 | 3300 | 35 | 1.2 | ≥140 | ≥420 |
Geared Motor Data：
| Gear Motor Model | Rated voltage | No Load | Max Efficiency Load | Stall | |||||
| Current | Speed | Current | Speed | Torque | P.out | Torque | Current | ||
| V | A | r/min | A | r/min | kgf.cm | W | kgf.cm | A | |
| DM-33RS520-3.77000-312.5K | 3.7 | 0.15 | 21.4 | 0.74 | 17.3 | 3.8 | 0,67 | 19.7 | 3.2 |
| DM-33RS520-4.53500-50K | 4.5 | 0.06 | 68.2 | 0.23 | 53.1 | 0.7 | 0.39 | 3.0 | 0.84 |
| DM-33RS520-0126000-125K | 12 | 0.05 | 47.7 | 0.25 | 39.0 | 2.8 | 1.13 | 15.0 | 1.17 |
| The motor parameters are for reference only,please refer to real measured data;We can customize parameters according to customer requirements.Gear Motor Output Speed=DC Motor Speed/Gear Ratio ( n=nm/i)Gear Motor Output Torque=DC Motor Torque*Gear Ratio*Gearbox Efficiency. ( t=tm*i*η) | |||||||||
Typical Applications
