Delta VFD370CP43B-21 Variable Frequency Drive
Delta VFD370CP43B-21 Variable Frequency Drive is designed for controlled motor operation in demanding industrial automation systems. It supports 37 kW and 50 HP applications with a stable 460V three-phase input range of 380V to 480V at 50/60 Hz. Commonly used as a Delta 37kW VFD, this model is suitable for equipment that requires high power motor control and consistent torque performance. It delivers a rated output current of 73 A with 58 kVA capacity, supporting reliable operation across heavy load conditions. The fan cooling design maintains thermal stability, while the IP20 enclosure allows secure panel installation. Manufactured by Delta automation, it is part of the industrial drive range and the CP2000 drives series used in industrial environments.
| Brand | Delta |
| Product | VFD |
| Model Number | VFD370CP43B-21 |
Delta VFD370CP43B-21 Variable Frequency Drive - Technical Specifications
| Specification | Value |
|---|---|
| Input Voltage / Frequency | 460V, Three-Phase AC 380V~480V(-15%-+10%),50/60Hz |
| Output Capacity (kVA) Normal Duty | 58 kVA |
| Output Current (A) Normal Duty | 73 A |
| Applicable Motor Output (kW) Normal Duty | 37 kW |
| Applicable Motor Output (HP) Normal Duty | 50 HP |
| Cooling Method | Fan Cooling |
| Efficiency (%) | 96.5 |
| IP Level | IP20 |
| NEMA Protection Level | NEMA 1 |
| Storage/Transportation Temperature | -25ΒΊC ~ +70ΒΊC |
| Braking Chopper | Built-In Braking Chopper |
| Control Method | Pulse Width Modulation (PWM) |
| Installation Type | Wall-Mounting |
| V/F Curve | 4 point adjustable V / F curve and square curve |
| Input Frequency Tolerance | 47~63Hz |
| Voltage Tolerance | 232~528Vac |
The Delta VFD370CP43B-21 is developed to handle high-load motor control applications where stable performance and durability are critical. It is widely used in pumps, compressors, blowers, and heavy-duty process systems that require controlled speed variation and consistent torque output. This drive maintains efficient motor operation by adjusting frequency based on load demand, helping reduce energy consumption and mechanical stress in large-scale industrial setups.
With a 37 kW rating, this heavy duty VFD supports smooth acceleration and controlled deceleration of high-capacity motors. Its fan cooling system ensures thermal balance during extended operation, allowing continuous usage in demanding environments. The panel-friendly design enables structured installation within control cabinets, supporting organized wiring and efficient space management for large automation systems.
The CP2000 platform is engineered for long-term industrial use with stable output performance under varying electrical conditions. As a Delta 37kW VFD, it offers a combination of power handling capability and reliable control behavior required in heavy-duty applications. Buyers comparing options or checking 37 kW VFD price typically consider this model for its performance, durability, and suitability for continuous operation in industrial processes.
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