Description
The Smart D SDB-1-2375-A is a heavy-duty Variable Frequency Drive (VFD) engineered for demanding HVAC and commercial building applications. Rated at 37.5 kW (50 HP) with a 68-amp output capacity and dual-voltage compatibility at 400/480V, this drive delivers precise motor speed control to maximize system efficiency, reduce energy consumption, and extend equipment life.
Designed for use with fans, pumps, compressors, and other three-phase motor-driven HVAC equipment, the SDB-1-2375-A provides smooth acceleration and deceleration, eliminating mechanical stress and inrush current spikes that can shorten motor and drive life. Its robust design makes it well-suited for commercial and light-industrial environments where reliable, continuous operation is essential.
Key Specifications
- Model: SDB-1-2375-A
- Power Rating: 37.5 kW / 50 HP
- Output Current: 68A
- Input/Output Voltage: 400/480V
- Drive Type: Variable Frequency Drive (VFD)
Features & Benefits
- Precise motor speed control for optimized HVAC system performance
- Dual-voltage input (400/480V) for flexible installation across different electrical services
- Smooth start/stop functionality reduces mechanical wear and extends motor life
- Significant energy savings by matching motor speed to actual load demand
- Suitable for fans, pumps, compressors, and other three-phase motor applications
- Heavy-duty construction designed for continuous commercial and industrial duty
Typical Applications
- HVAC air handling unit (AHU) fan control
- Chilled water and condenser water pump control
- Cooling tower fan speed modulation
- Commercial and industrial motor speed control







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