INVT Frequency Inverter GD100-5R5G-4 380V 5.5KW

( Brand: Invt ), ( Manufacturer Part Number: GD1005R5G4 ), ( Model: GD100-5R5G-4 ), ( Part Type: Inverter )

Review INVT Used And Tested Frequency Inverter 380v 5.5kw

The **GD100-5R5G-4 (INVT GD1005R5G4)** is a high-performance, industrial-grade frequency inverter designed for precision control and energy efficiency in a wide range of applications. Part of INVT s advanced GD100 series, this 380V, 5.5kW (7.4 HP) inverter combines cutting-edge vector control technology with robust construction to deliver seamless motor speed regulation, enhanced torque response, and superior energy savings. Engineered for both industrial automation and commercial environments, this compact yet powerful unit integrates a **5.5kW continuous output rating**, making it ideal for driving pumps, fans, conveyors, compressors, and other high-demand applications where consistent performance and reliability are critical. Its **IP20 protection rating** ensures protection against solid foreign objects, while its **wide input voltage range (300 480V AC)** accommodates varying power supply conditions, reducing downtime and operational disruptions. The inverter features **PWM (Pulse Width Modulation) technology**, which minimizes harmonic distortion and extends the lifespan of connected motors while maintaining smooth, vibration-free operation. Advanced **vector control algorithms** enable precise torque and speed adjustments, even at low speeds, ensuring optimal performance in applications requiring fine-tuned motion control. With **built-in regenerative braking**, the GD100-5R5G-4 efficiently recovers energy during deceleration, further enhancing energy efficiency and reducing operational costs. Its **user-friendly LCD display** provides real-time monitoring of key parameters, including frequency, current, voltage, and temperature, while its **modbus RTU communication interface** allows seamless integration with PLCs, SCADA systems, and other automation platforms for centralized control and diagnostics. Additionally, the inverter supports **multiple protection features**, such as overload protection, short-circuit protection, and over-voltage/under-voltage safeguards, ensuring operational safety in demanding environments. Whether deployed in manufacturing plants, HVAC systems, or material handling facilities, the **INVT GD1005R5G4** stands out as a versatile, energy-efficient, and high-reliability solution for modern motor control needs.

### **Pros and Cons of buying a Inverter GD100-5R5G-4 (380V, 5.5kW)**

1. **Efficiency and Energy Savings** Variable frequency drives (VFDs) like this one optimize motor speed to match load requirements, reducing energy consumption compared to fixed-speed motors. This can lead to significant cost savings over time, especially in applications with frequent starts/stops or variable loads.

2. **Extended Motor Lifespan** By controlling motor speed and torque, the inverter reduces mechanical stress on motors, bearings, and belts, leading to longer equipment life and lower maintenance costs.

3. **Precise Control** Suitable for applications requiring smooth acceleration, deceleration, and speed adjustments (e.g., conveyors, pumps, fans, compressors). This improves process efficiency and product quality.

4. **Soft Start/Stop** Eliminates inrush current and mechanical shock during motor startup, reducing wear on the motor and connected machinery.

5. **Remote Monitoring and Control** Many modern VFDs (including this model) support communication protocols (e.g., Modbus, Profibus) for integration with PLCs or SCADA systems, enabling remote operation and diagnostics.

6. **Reduced Heat and Noise** Compared to direct-on-line (DOL) starts, VFDs reduce mechanical vibrations and heat generation, contributing to a quieter and cooler operating environment.

7. **Compatibility with 380V Motors** The 380V rating ensures compatibility with standard industrial motors in many regions, making it a versatile choice for factories, workshops, or commercial settings.

8. **Potential for Cost Savings on Large Systems** While the upfront cost may be higher than a simple starter, the long-term savings in energy, maintenance, and operational efficiency can justify the investment, especially in high-usage applications.

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1. **Higher Initial Cost** VFDs are more expensive upfront than basic motor starters or relays. The GD100-5R5G-4 may require a larger budget compared to simpler control solutions.

2. **Complex Installation and Setup** Requires proper wiring, grounding, and configuration (e.g., parameter tuning for motor type, load, and application). Poor installation can lead to malfunctions or safety hazards. Professional assistance may be needed.

3. **Potential for Electromagnetic Interference (EMI)** VFDs generate harmonic distortions that can interfere with other electrical equipment. Mitigation measures (e.g., filters, proper shielding) may be necessary to avoid issues with sensitive devices.

4. **Maintenance Requirements** While VFDs reduce mechanical wear, they introduce electronic components that may require periodic firmware updates, cooling maintenance, or replacement of capacitors or sensors over time.

5. **Limited Overload Capacity** Unlike direct-start motors, VFDs have restrictions on continuous overloads. Prolonged operation beyond rated parameters (e.g., 5.5kW) can damage the inverter or motor.

6. **Dependence on Power Quality** VFDs are sensitive to voltage fluctuations, surges, or poor power factor. Unstable power supply conditions can shorten the inverter s lifespan or cause erratic operation. An UPS or power conditioner may be needed in some environments.

7. **Learning Curve for Operation** Users or technicians unfamiliar with VFDs may struggle with programming, troubleshooting, or interpreting error codes. Training may be required for staff.

8. **Warranty and Support Considerations** If the inverter fails, replacement parts or service may not always be readily available, depending on the manufacturer s support network. Always check warranty terms before purchase.

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### **Conclusion**

The **GD100-5R5G-4 (380V, 5.5kW) frequency inverter** is a powerful tool for applications requiring precise motor control, energy efficiency, and extended equipment lifespan. Its advantages such as reduced energy costs, softer starts, and improved process control make it ideal for industries like manufacturing, HVAC, water treatment, or material handling. However, the higher upfront cost, complexity of installation, and potential maintenance needs must be carefully considered.

- Frequent starts/stops,

- Variable-speed requirements,

- High-energy consumption motors, or

- Need for remote monitoring,

**the investment in this VFD is likely justified.**

**If your application is simple (e.g., fixed-speed operation, low-cost constraints),** a traditional motor starter or soft starter might suffice and could be more cost-effective.

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### **Recommendation**

1. **Assess Your Needs:** Determine if variable speed is essential or if a simpler control method (e.g., soft starter) would work. Calculate potential energy savings to justify the cost.

2. **Check Compatibility:** Ensure the inverter matches your motor s voltage (380V), current rating, and phase (likely 3-phase for this model). Verify if your motor is suitable for VFD operation (e.g., no open-frame motors unless rated for VFDs).

3. **Installation and Training:** Plan for professional installation and consider training for operators or maintenance staff to handle programming and troubleshooting.

4. **Power Quality:** Evaluate your facility s power supply. If unstable, consider adding surge protection or a power conditioner.

5. **Long-Term Costs:** Factor in maintenance, potential firmware updates, and spare parts availability when comparing to alternatives.

6. **Supplier and Warranty:** Purchase from a reputable dealer with good after-sales support. Review warranty terms and return policies.

**Final Verdict:** For applications where variable speed and energy efficiency are critical, the **GD100-5R5G-4 is a strong choice**. For simpler or cost-sensitive applications, weigh the pros and cons carefully against alternatives before committing. Always prioritize quality installation and proper operation to maximize performance and longevity.

Details:

Product Specifications. DO REMEMBER SIGN YOUR RMA# on the front of package. The Purchase History link on left side of page. Product Feature.

Package Content. INVT GD100 5R5G 4 Frequency Inverter controls motor speed efficiently It ensures energy savings and smooth operation The inverter has been tested for reliability is suitable industrial automation. About Technology. Used Tested INVT GD100-5R5G-4 Frequency Inverter 380V 5.5KW.

All shipping charges are not negotiable. Return items should include the original packaging and all accessories.

part #: gd1005r5g4 prices

• $343.00-$345.50

specifications variablfrequen:

• brand: Invt
• mpn: Gd1005r5g4
• model: Gd100-5r5g-4
• part type: Inverter

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• condition: Used
• Drives Starters > Drives Motor Controls > Variable Frequency Drives

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• started: February 22, 2026
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