FUJI FRNO.75C1S-2J Frequency Inverter 50/60 400 240V 5.3AMP

( Brand: Fuji ), ( Manufacturer Part Number: FRNO.75C1S-2J ), ( Part Type: Inverter ), ( Number Of Phases: 3-phase ), ( Country Of Origin: China )

Review FUJI Frequency Inverter 50/60 Hz To 400 240v 5.3amp

The **Fuji FR-NO.75C1S-2J** is a high-performance, compact frequency inverter designed for precision control and energy efficiency in a wide range of industrial and commercial applications. Part of Fuji Electric s reliable **NO series**, this inverter is engineered to deliver seamless variable frequency drive (VFD) solutions for motors rated up to **5.3 amps (3.7 kW)** at both **50 Hz and 60 Hz** operation, making it versatile for global deployment. With a robust **400V/240V dual-voltage capability**, it accommodates diverse electrical systems without the need for additional transformers, simplifying installation in facilities with varying power configurations. The **C1S-2J model** incorporates advanced **vector control technology**, ensuring superior torque response, smooth acceleration, and precise speed regulation ideal for applications such as pumps, fans, conveyors, and HVAC systems where efficiency and reliability are critical.

Built with **IP20 protection**, the FR-NO.75C1S-2J is designed for indoor use in clean environments, offering a compact yet durable enclosure that minimizes space requirements while maintaining high performance. Its **PWM (Pulse Width Modulation) inverter technology** reduces harmonic distortion, protecting connected motors and downstream equipment from excessive stress, thereby extending their operational lifespan. The unit features a **user-friendly LCD display** with intuitive navigation, allowing operators to monitor and adjust parameters such as speed, torque, and energy savings with ease. Additionally, it supports **remote control via analog signals (0 10V or 4 20mA)** and **modbus communication**, enabling seamless integration into larger automation systems for centralized monitoring and control.

Energy efficiency is a cornerstone of this inverter, with **regenerative braking capabilities** that recover energy during deceleration, reducing power consumption and lowering operational costs. The **wide input voltage range (340 480V)** enhances system stability, while the **overload protection (150% for 1 minute, 120% continuous)** ensures robust operation under varying load conditions. Compatible with **Fuji s advanced diagnostic tools**, the FR-NO.75C1S-2J provides real-time fault detection and predictive maintenance alerts, minimizing downtime and enhancing overall system reliability. Whether deployed in manufacturing, building automation, or renewable energy systems, this frequency inverter exemplifies Fuji Electric s commitment to delivering a **compact, efficient, and high-performance solution** that balances precision control with operational simplicity.

### **Pros and Cons of buying a Fuji FR-N75C1S-2J Frequency Inverter (5.5 kW, 50/60 Hz, 400/240V, 5.3A)**

1. **High Efficiency and Reliability**

The Fuji FR-N75C1S-2J is a well-regarded industrial-grade frequency inverter known for its robust construction and long operational lifespan. Fuji Electric is a reputable manufacturer with a strong reputation for quality control, ensuring consistent performance in demanding environments.

2. **Wide Voltage and Frequency Range (50/60 Hz)**

The inverter supports both 50 Hz and 60 Hz operation, making it versatile for different regions and applications. This flexibility is useful for industries where equipment may need to operate across varying power grids.

3. **High Power Rating (5.5 kW)**

With a continuous current rating of 5.3A at 400V (and 240V compatibility), this inverter can handle motors up to approximately **7.5 kW** (depending on motor efficiency and power factor). This makes it suitable for medium-sized industrial applications, such as pumps, conveyors, compressors, and HVAC systems.

4. **Advanced Protection Features**

- Overload protection

- Overvoltage/undervoltage protection

- Short-circuit protection

- Overheating protection

- Phase loss detection

These features help prevent damage to both the inverter and connected equipment, reducing downtime.

5. **Digital Display and User-Friendly Interface**

The inverter features a clear LCD display with intuitive controls, allowing for easy monitoring and adjustment of parameters such as speed, frequency, and protection settings. This simplifies maintenance and troubleshooting.

6. **Modbus Communication (Optional)**

Some models in the FR-N series support communication protocols like Modbus RTU, enabling integration with PLCs or SCADA systems for automated control and monitoring. This is beneficial for industrial automation setups.

7. **Low Harmonic Distortion**

Fuji inverters are designed with advanced PWM (Pulse Width Modulation) technology, which minimizes harmonic distortion in the output current. This reduces stress on motors and other connected equipment, improving efficiency and longevity.

8. **Compact and Durable Design**

The FR-N series is known for its compact yet sturdy construction, making it suitable for installations where space is limited. The enclosure is typically IP20 or higher, providing basic protection against dust and moisture (though external protection may still be required for harsh environments).

9. **Energy Savings**

By precisely controlling motor speed, the inverter can significantly reduce energy consumption compared to traditional on-off control methods (e.g., star-delta starters). This leads to cost savings over time, especially in applications with variable load requirements.

10. **Warranty and After-Sales Support**

Fuji Electric offers warranties (typically 1 2 years, extendable in some regions) and access to authorized service centers. This provides peace of mind regarding repairs and replacements if issues arise.

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1. **Higher Upfront Cost**

Compared to basic or generic frequency inverters, the Fuji FR-N75C1S-2J is a premium product with a higher purchase price. The cost may be prohibitive for small businesses or applications where a lower-capacity inverter would suffice.

2. **Limited Overload Capacity**

While the inverter can handle short-term overloads (typically up to 150% for a few minutes), prolonged overloads can reduce its lifespan. Users must ensure the connected motor does not exceed the inverter s rated capacity for extended periods.

3. **Requires Proper Installation and Configuration**

Misconfiguration or improper installation (e.g., incorrect wiring, insufficient cooling, or incompatible motors) can lead to malfunctions or damage. Users may need technical expertise or professional assistance to set it up correctly.

4. **Dependence on Power Quality**

The inverter is sensitive to input power quality. Fluctuations, spikes, or poor wiring can affect performance and may require additional protective devices (e.g., surge suppressors, filters) to ensure reliable operation.

5. **No Built-In Regenerative Braking (Standard Model)**

The FR-N75C1S-2J does not include regenerative braking as a standard feature. Applications requiring energy recovery (e.g., hoists, cranes) may need a more advanced model or external braking resistors.

6. **Limited Localization for Some Regions**

While the inverter supports 50/60 Hz, certain features or documentation may be more readily available in regions where Fuji has strong market presence (e.g., Japan, Europe, or North America). Users in less supported regions may face challenges with parts or service.

7. **Cooling Requirements**

The inverter relies on natural or forced air cooling. In high-temperature environments or with heavy loads, additional cooling measures (e.g., fans, ventilation) may be necessary to prevent overheating.

8. **Potential for Complex Troubleshooting**

Advanced features and digital controls can make diagnostics more complex for non-technical users. Fault codes may require reference to the manual or expert assistance to resolve.

9. **Weight and Installation Space**

While compact for its class, the inverter is heavier than some smaller models. Installation may require reinforced mounting and proper grounding, adding to setup complexity.

10. **Depreciation Over Time**

Like all electronic equipment, frequency inverters depreciate. While Fuji inverters are durable, older models may become less cost-effective if replaced after several years, especially if newer, more efficient models emerge.

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The **Fuji FR-N75C1S-2J** is a high-quality, reliable frequency inverter suitable for medium-duty industrial applications requiring precise motor control, energy efficiency, and robust protection. Its strengths lie in its **efficiency, versatility (50/60 Hz), advanced protection features, and brand reputation**, making it a strong choice for businesses prioritizing performance and longevity.

However, the **higher cost, need for proper installation, and sensitivity to power quality** may pose challenges for smaller operations or users without technical expertise. If the application demands **regenerative braking, higher overload capacity, or advanced communication**, alternative models (e.g., Fuji FR-N75C1S-2J with optional modules) or other brands (e.g., Danfoss, ABB, Siemens) might be worth considering.

For most **industrial, commercial, or HVAC applications** where a **5.5 kW inverter with 50/60 Hz support** is needed, the Fuji FR-N75C1S-2J is a **recommended purchase** provided the budget and installation conditions align with its requirements.

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- You need a **reliable, high-efficiency inverter** for **5.5 kW motors** in **50/60 Hz environments**.

- Your application benefits from **precise speed control, energy savings, and built-in protections**.

- You have **access to proper installation and maintenance support** (or are willing to invest in training).

- The **long-term cost savings** from efficiency and reduced downtime justify the **higher upfront cost**.

- Your budget is tight, and a **lower-cost inverter** (e.g., generic or mid-range brand) meets your needs.

- You require **regenerative braking or higher overload capacity**, which may require a different model.

- Your power supply is **unstable or poorly regulated**, necessitating additional protective equipment.

For most **serious industrial users**, the Fuji FR-N75C1S-2J remains a **solid, well-supported choice** worth the investment.

Details:

part #: frno75c1s2j prices

• $51.00-$73.40

specifications variablfrequen:

• brand: Fuji
• mpn: Frno.75c1s-2j
• part type: Inverter
• number of phases: 3-phase
• country of origin: China

offer variablfrequen:

• options: Ship-to-home
• quantity: 2
• sold: 0
• started: March 25, 2026
• availability: In Stock
• best offers: True

general variablfrequen:

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

shipping variablfrequen:

• class: Expedited, Standard, One-day
• transit: 2-6 Days
• service: USPS Priority Mail, UPS Ground, UPS Next Day Air
• carrier: USPS, UPS
• type: Calculated
• cost: $19.40

returns variablfrequen:

• time: 30 Days
• method: Money back
• paid by: Buyer
• policy: Returns Accepted

seller variablfrequen:

• city: Middletown, Ohio
• rating: 99.9%
• # reviews: 7671

payments variablfrequen:

• credit card: Discover
• other
• wallet: Apple-pay

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