VFD007B21A Delta Inverter 0.75KW 220V VFD007B21A New In Box

VFD007B21A – Delta AC Inverter | 0.75kW | 220V | New In Box

Product Overview

The Delta VFD007B21A AC Inverter is a compact and reliable variable frequency drive designed for precise motor speed and torque control in light to medium-duty industrial applications. With a rated power of 0.75kW (1 HP) and 220V class input/output, this inverter delivers stable performance, high efficiency, and flexible motor control in space-saving installations.

This unit is brand new, factory sealed in original packaging, making it ideal for OEM integration, system upgrades, and replacement projects.

Key Features & Benefits

• Rated Power: 0.75kW (1 HP) – Optimized for small motors and compact machinery

• 220V Class Voltage – Compatible with common industrial single-phase and three-phase environments

• High Control Accuracy – Precise speed regulation for smooth motor operation

• Compact Design – Saves panel space in control cabinets

• Built-in Protection Functions – Enhances system reliability and motor lifespan

• Delta Quality & Reliability – Trusted global brand in industrial automation

Technical Specifications

• Manufacturer: Delta Electronics

• Model: VFD007B21A

• Series: Delta VFD-B

• Power Rating: 0.75 kW (1 HP)

• Input Voltage: 200–240 VAC

• Output Voltage: 3-phase 0–240 VAC

• Input Frequency: 50 / 60 Hz

• Output Frequency Range: 0.1 – 400 Hz

• Output Current: Approx. 4.2 A

• Control Method: V/F control

• Overload Capacity:

  • 150% of rated current for 60 seconds

• Motor Type: Induction motor (IM)

• Cooling Method: Forced air cooling

• Installation: Panel mount

• Protection Rating: IP20

• Condition: New In Box

Typical Applications

• Conveyors and material handling systems

• Pumps and fans

• Packaging machinery

• Small CNC and automation equipment

• HVAC auxiliary motor control

• OEM machinery integration

Why Choose Delta VFD007B21A?

The VFD007B21A offers an excellent balance of performance, reliability, and cost efficiency. Its wide frequency range and strong overload capacity allow smooth motor startup, stable low-speed operation, and extended motor life. It is a proven solution for customers seeking a compact, dependable inverter for everyday industrial use.

Quality & Shipping

• 100% Brand New & Original Delta Product

• Factory-sealed packaging

• Fully inspected before shipment

• Fast global delivery available                                                                                                               

  Delta VFD-B Series Power Selection Comparison

  Model Comparison Table

  Specification	VFD005B21A	VFD007B21A	VFD015B21A
  Rated Motor Power	0.4 kW (0.5 HP)	0.75 kW (1 HP)	1.5 kW (2 HP)
  Input Voltage	200–240 VAC	200–240 VAC	200–240 VAC
  Input Phase	Single / Three Phase	Single / Three Phase	Single / Three Phase
  Output Voltage	3-Phase 0–240 VAC	3-Phase 0–240 VAC	3-Phase 0–240 VAC
  Output Frequency Range	0.1 – 400 Hz	0.1 – 400 Hz	0.1 – 400 Hz
  Rated Output Current	~2.3 A	~4.2 A	~7.5 A
  Control Method	V/F Control	V/F Control	V/F Control
  Overload Capacity	150% / 60 sec	150% / 60 sec	150% / 60 sec
  Protection Rating	IP20	IP20	IP20
  Cooling Method	Forced Air	Forced Air	Forced Air
  Mounting	Panel Mount	Panel Mount	Panel Mount
  Series	Delta VFD-B	Delta VFD-B	Delta VFD-B

  Note: Specifications may vary slightly depending on firmware and production batch. Always verify with motor nameplate data before selection.

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  Quick Power Selection Guide

  • ✅ VFD005B21A (0.4 kW / 0.5 HP)
    Best for small motors, light-duty applications such as small fans, mini conveyors, and lab equipment.

  • ✅ VFD007B21A (0.75 kW / 1 HP)
    Ideal for most small industrial machines, offering a strong balance between power, size, and cost.

  • ✅ VFD015B21A (1.5 kW / 2 HP)
    Recommended for higher load applications requiring stronger torque, such as pumps, compressors, and heavier conveyors.

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  Selection Tips 

  • Choose the inverter based on motor rated current, not only power (kW / HP)

  • Consider startup load and overload margin

  • Ensure the input power supply matches your site condition

  • Allow sufficient cooling space inside the control cabinet

  • 📊 Power vs Application Selection Guide

    Delta VFD-B Series (220V Class)

    This visual guide helps users quickly select the right Delta VFD-B inverter model based on motor power rating and typical application load.

    🔹 Application Mapping by Power Range

    VFD005B21A — 0.4 kW (0.5 HP)

    Recommended Applications:

    • Mini fans

    • Small conveyors

    • Laboratory and testing equipment

    Load Characteristics:
    Light-duty, low inertia, continuous operation

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    VFD007B21A — 0.75 kW (1 HP)

    Recommended Applications:

    • Conveyors

    • Packaging machines

    • Small pumps and feeders

    Load Characteristics:
    Medium-duty, frequent start/stop, stable torque requirement
    ✅ Most commonly selected model

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    VFD015B21A — 1.5 kW (2 HP)

    Recommended Applications:

    • Pumps

    • Compressors

    • Heavy-duty conveyors

    Load Characteristics:
    Higher inertia, higher starting torque, heavier mechanical load

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    ⚙️ Engineering Selection Notes

    • Always size the inverter based on motor rated current, not power alone

    • For applications with high starting torque or frequent acceleration, select one size higher

    • Ensure sufficient cooling and panel ventilation

    • Confirm input power condition (single-phase or three-phase 220V)