The BLD-305S brushless DC motor driver offers a perfect balance between performance and affordability for motors under 120W. It supports both analog and digital control modes, enabling flexible integration into various systems. Designed for motors with Hall sensors, it provides accurate speed regulation from 150 to 20,000 RPM, ensuring smooth and responsive operation. Its robust protection system safeguards against over-voltage, over-current, overheating, and abnormal signals, enhancing system longevity. With a compact design, clear wiring interface, and efficient heat dissipation through a radiator, this driver is easy to install and suitable for both hobbyists and industrial users. Features: High-frequency 20kHz PWM for smooth motor operation Wide speed control range (150–20,000 RPM) Supports RS485 & Modbus communication Advanced dual-loop PID control (speed & current) Built-in protections: over-voltage, over-current, overheating, stall, and Hall signal error Package Includes: 1 x STEPPERONLINE Digital Brushless DC Motor Driver 12-24VDC Max 8.0A 120W-BLD-305S1 x Wire Harness1 x Connecting Cable
Specifications
| Model No. / Name: | BLD-305S |
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| Standard Input Voltage(VDC): | 24 |
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| DC Voltage(V) | 11.5(Min.), 31(Max.) |
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| Continuous Discharge Current (A) | 6.0(24VDC) |
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| Cooling Method | Radiator |
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| Max Power Output (W) | 120W |
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| Humidity: | <85%(No Frosting) |
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| Operating Temperature (°C): | 0 to 45 |
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| Storage Temperature (°C): | -20 to 85 |
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| Control Mode | Analog Voltage, RS-485 |
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| Length (mm): | 93 |
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| Width (mm): | 65 |
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| Weight (g): | 117 |
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| Sensor Type: | Strain Gauge Based Load Cell |
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| Operating Voltage (V): | 2.7~5.5 |
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| Dimensions (L x W x H) mm | 170 x 130 x 130 |
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| Installation | Tool-Free, Easy Replacement |
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| Shipping Weight | 0.158 kg |
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| Shipping Dimensions | 10 × 9 × 3 cm |
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