Description
Product Overview
As part of Delta’s trusted VFD-M Series, the VFD004M21A delivers stable and efficient performance for low-power motor control systems. It features V/F control, built-in PID, and RS-485 communication, ensuring flexible integration with automation systems.
Its compact size, high reliability, and cost-effectiveness make it an excellent choice for small-scale conveyors, fans, pumps, and other general machinery.
Key Features
Model: VFD004M21A
Series: Delta VFD-M 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 closed-loop process regulation
Built-in RS-485 (Modbus RTU) for communication
Compact and durable design for industrial environments
Built-in EMI filter for noise reduction
CE and RoHS compliant
Warranty & After-Sales
All Delta VFD004M21A units are 100% original and brand new, supplied by KaiRock with a 12-month warranty and full technical support for installation and operation.
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, factory-sealed units
Competitive international pricing
Fast, reliable global logistics
Professional technical and after-sales support
Applications
Fans and pumps
Conveyors and feeders
Packaging machinery
Textile and printing machines
General-purpose industrial automation





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