Description
Product Overview
The VFD004L21A provides stable and efficient motor speed regulation for small industrial systems. As part of Delta’s VFD-L micro drive series, it is optimized for compact installation spaces, offering excellent reliability and easy operation.
It supports V/F control, built-in PID control, and Modbus communication, ensuring seamless integration with a wide range of automation systems. This inverter is designed for continuous, light-duty applications such as fans, pumps, conveyors, and machine tools.
Key Features
Model: VFD004L21A
Series: Delta VFD-L Series
Type: AC Motor Drive / Frequency Inverter
Output Power: 0.4kW (1/2HP)
Input Voltage: Single-phase 200–240V
Output Voltage: Three-phase 0–240V
Output Frequency: 0.1–400Hz
Control Method: V/F Control
Built-in PID Control for process optimization
RS-485 (Modbus RTU) communication for easy integration
Compact, lightweight design suitable for limited spaces
Built-in EMI Filter for electrical noise suppression
CE and RoHS certified
Warranty & After-Sales
All Delta VFD004L21A units are 100% original and brand new, provided by KaiRock with a 12-month warranty. Full technical support for installation and operation is included.
Delivery Time
Standard delivery: 3–5 working days after order confirmation
Express worldwide shipping available
Why Choose KaiRock
Certified supplier of Delta industrial automation products
Guaranteed original and factory-sealed units
Competitive global trade pricing
Fast, reliable worldwide logistics
Professional technical and after-sales support
Applications
Fans and pumps
Small conveyors
Packaging equipment
Textile and printing machines
Light industrial automation





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