About VSX48-075-20CEB - Crompton VFD - VSX48 - 37 kW / 50HP 3-Phase 380-480
The Crompton Greaves Emotron VSX48-075-20CEB is a premium, high-capacity
50 HP (37 kW) three-phase Variable Frequency Drive (VFD) from the advanced
Emotron VSX series. [
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Engineered for highly demanding, heavy-duty industrial machinery, this drive operates on a standard 3-phase grid power supply (
380V480V AC). It delivers a powerful
75 Amps continuous output current, driving both three-phase AC induction motors and modern high-efficiency permanent magnet synchronous motors (PMSM) using advanced sensorless vector control. A core benefit of the premium VSX series is its high-contrast
LCD graphical display with an integrated real-time diagnostic oscilloscope and extensive programmable PLC logic blocks. [,
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Physical Dimensions (Inches & Pounds)
To properly dissipate the massive heat generated by managing a heavy continuous 75-Amp industrial load, this drive uses a heavy-duty, robust industrial chassis block:
- Weight: 39.68 lbs (18.0 kg Chassis)
- Height: 15.75 inches (400 mm)
- Width: 9.84 inches (250 mm)
- Depth (Thickness): 8.66 inches (220 mm) [, 2]
Mounting Dimensions
For cutting panel backplates or prepping your electrical enclosure array:
- Mounting Height (H1): 15.16 inches (385 mm)
- Mounting Width (W1): 9.06 inches (230 mm)
- Installation Aperture (Screw Hole Diameter): 0.28 inches (7 mm)
Technical Specifications
The electrical threshold metrics and structural protections calibrated into this 50 HP unit include:
| Feature [, 2, 3, 4, 5] |
Specification |
| Model Number |
VSX48-075-20CEB |
| Motor Power Rating (Heavy Duty) |
37.0 kW / 50 HP |
| Motor Power Rating (Normal Duty) |
45.0 kW / 60 HP |
| Input Supply Power |
3-Phase 380V to 480V AC (\(\pm20\%\) continuity variance) |
| Rated Output Current |
75.0 Amps continuous |
| Peak Overload Capacity |
150% for 60 seconds / 200% heavy-duty for 1 second |
| Enclosure Rating |
IP20 (Requires clean, weather-protected indoor panel layout) |
| Noise Protection |
Integrated C3 Class EMC Filter for electromagnetic noise dampening |
| I/O Connectivity |
High-speed pulse input/output tracking up to 100 kHz |
| Circuit Shielding |
Conformal-coated internal PCBs to resist dust and moisture |
Core Functionality & Applications
The drive features an independent, fully separated cooling air duct channel that passes air across the heat sinks without exposing the internal computer logic boards to ambient factory contaminants. It is highly utilized in demanding constant-torque and variable-torque workflows such as:
- Heavy Processing Plants: Large commercial flour mills (Atta Chakki), oil expeller plants, plastic extruders, rubber mixers, and large processing crushers.
- Bulk Material Handling: Heavy industrial conveyor matrices, automated quarry handling lines, crushing machinery, and heavy industrial cranes/hoists.
- Fluid & Fan Management: Large multi-pump booster stations, water cooling towers, deep borewell submersibles, and commercial HVAC exhaust complexes.