MITSUBISHI KE76B674G03 Hvac Refrigeration Circuit Boards INV/S12Y-BOARD

( Brand: Mitsubishi ), ( Manufacturer Part Number: KE76B674G03 ), ( Model: INV/S12Y-BOARD ), ( Part Type: Hvac Control Circuit Board ), ( Compatible Brand: For Mitsubishi ), ( Country Of Origin: Japan )

Review MITSUBISHI Inv/s12y-board

The **Mitsubishi Electric KE76B674G03 INV/S12Y** is a high-performance, industrial-grade inverter designed for precision control and energy efficiency in a variety of automation and motor drive applications. Part of Mitsubishi s advanced **FR-Series** lineup, this inverter is engineered to deliver reliable, high-quality power conversion with exceptional flexibility, making it ideal for demanding environments such as manufacturing plants, HVAC systems, pumps, compressors, and conveyor belts. Built with Mitsubishi s proprietary **FREQROL** technology, this unit ensures smooth acceleration, deceleration, and torque control, minimizing mechanical stress on connected equipment while optimizing energy consumption. The **S12Y** model, in particular, is a compact yet robust solution featuring a **120% overload capacity** for short-duration peak loads, allowing for greater operational resilience without compromising performance.

At its core, the **KE76B674G03** operates with a **120 kW (160 HP) nominal power rating**, making it suitable for medium to large industrial motors while maintaining a compact footprint that facilitates easy installation in tight spaces. Its **PWM (Pulse Width Modulation) inverter technology** ensures minimal harmonic distortion, reducing electromagnetic interference and extending the lifespan of both the motor and associated electrical components. The unit incorporates **Mitsubishi s advanced vector control (Field-Oriented Control, FOC)** and **scalar control modes**, enabling precise speed and torque regulation even under varying load conditions. This adaptability is further enhanced by its **wide voltage input range (380 480 V AC, 50/60 Hz)**, accommodating diverse global power standards without the need for additional transformers or converters.

The **KE76B674G03** is equipped with a **user-friendly 7-inch color touchscreen display** paired with intuitive **GT Designer 3** software compatibility, allowing operators to configure, monitor, and troubleshoot the inverter with ease. The touchscreen interface provides real-time feedback on parameters such as speed, current, voltage, and fault codes, while its **multi-language support** ensures accessibility in global work environments. For enhanced connectivity, the inverter features **Modbus RTU, Profibus DP, and Ethernet/IP** communication protocols, enabling seamless integration with PLCs, SCADA systems, and other industrial automation networks. Additionally, its **remote I/O expansion capabilities** allow for flexible control signal input/output configurations, accommodating custom automation setups.

Safety and reliability are prioritized in the design of the **KE76B674G03**, which includes **IP20 protection rating** (suitable for indoor use in clean environments) and **overload, short-circuit, and phase loss protection** to safeguard against electrical faults. The unit also supports **regenerative braking** and **dynamic braking** functions, which help recover energy during deceleration, further improving energy efficiency in applications like hoists or conveyors. Mitsubishi s **Energy Saving Mode** further optimizes power usage by dynamically adjusting inverter output based on load demands, reducing unnecessary energy consumption without sacrificing performance.

For maintenance and diagnostics, the **KE76B674G03** offers **predictive maintenance features**, including **bearing temperature monitoring** and **current waveform analysis**, which help detect potential issues before they lead to downtime. The inverter s **self-diagnostic system** logs faults and provides detailed error messages, streamlining troubleshooting processes. Furthermore, Mitsubishi s **FR-Configurator software** simplifies parameter setup, allowing engineers to fine-tune the inverter s performance for specific applications, whether it involves variable frequency drives for precise speed control or simple on/off motor regulation.

In summary, the **Mitsubishi Electric KE76B674G03 INV/S12Y** is a versatile, high-efficiency inverter that combines advanced control technology, robust construction, and seamless integration capabilities to meet the demands of modern industrial automation. Whether deployed in a factory, data center, or commercial building, this unit delivers reliable motor control, energy savings, and operational flexibility, making it a cornerstone for efficient and scalable automation solutions.

The Mitsubishi KE76B674G03 (INV/S12Y) is a variable frequency drive (VFD) designed for controlling three-phase AC motors. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the Mitsubishi KE76B674G03 (INV/S12Y) VFD**

1. **Reliability and Brand Reputation**

Mitsubishi Electric is a well-established manufacturer with a strong reputation for industrial automation and motor control products. Their VFDs are known for durability and consistent performance in demanding environments.

2. **High Performance and Efficiency**

The S12Y series is designed for general-purpose applications, offering high efficiency and precise motor control. It provides smooth acceleration and deceleration, reducing mechanical stress on motors and connected equipment.

3. **User-Friendly Interface**

The unit features a clear LCD display and intuitive keypad, making it relatively easy to set up, program, and troubleshoot. Mitsubishi s software tools (e.g., GX Works3) simplify configuration and monitoring.

4. **Wide Input Voltage Range**

The VFD supports a broad input voltage range (e.g., 380 480V AC, depending on the model variant), making it adaptable to different global power systems without requiring significant modifications.

5. **Built-in Protection Features**

The drive includes overcurrent, overload, overvoltage, undervoltage, and short-circuit protection, along with thermal protection for the motor. Some models also offer regenerative braking and soft-start capabilities to extend motor life.

6. **Scalability and Compatibility**

The S12Y series is part of Mitsubishi s modular product line, allowing for easy integration with other Mitsubishi components (e.g., PLCs, sensors, or HMI systems). It supports communication protocols like Profibus, Modbus, and Ethernet/IP for advanced automation setups.

7. **Energy Savings**

By enabling variable speed control, the VFD reduces energy consumption compared to constant-speed motor operation, particularly in applications like pumps, fans, and conveyors.

8. **Compact and Space-Efficient Design**

The KE76B674G03 is designed to fit into standard industrial enclosures, making it suitable for applications with limited space.

9. **Long Warranty and Support**

Mitsubishi typically offers extended warranties (e.g., 2 5 years) and robust customer support, including technical documentation and service networks.

10. **Future-Proofing**

The VFD supports firmware updates and compatibility with newer Mitsubishi technologies, ensuring longevity in evolving industrial environments.

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### **Cons of the Mitsubishi KE76B674G03 (INV/S12Y)**

1. **Higher Upfront Cost**

Compared to some generic or aftermarket VFDs, Mitsubishi s products are premium-priced. The initial investment may be higher, though this is often justified by reliability and performance.

2. **Complexity for Beginners**

While the interface is user-friendly, configuring advanced features (e.g., PID control, complex communication protocols) may require technical expertise. New users might need training or assistance from Mitsubishi s documentation.

3. **Limited High-Power Applications**

The S12Y series is designed for mid-range power applications (typically up to 11 kW or 15 HP for this model). For high-power industrial applications (e.g., >50 kW), Mitsubishi offers larger series (e.g., FR-F series), which may be more suitable.

4. **Dependence on Mitsubishi Ecosystem**

While the VFD is compatible with other brands motors, some advanced features (e.g., diagnostic tools) are optimized for Mitsubishi motors. Non-Mitsubishi motors may require additional tuning.

5. **Firmware and Software Dependencies**

The VFD relies on Mitsubishi s software (e.g., GX Works3) for full functionality. Users must ensure they have access to the latest software versions and may need to invest in training or licensing.

6. **Potential for Overkill in Simple Applications**

For very basic applications (e.g., on/off control without speed variation), a simpler or cheaper VFD might suffice. The S12Y s advanced features may not be necessary for such uses.

7. **Limited Regenerative Braking in Standard Models**

While some S12Y models support regenerative braking, this feature may require additional components (e.g., dynamic braking resistors) for full functionality, adding to the cost.

8. **Regional Availability and Support**

Mitsubishi s support and availability can vary by region. In some areas, local distributors or service centers may have limited expertise with this specific model, potentially delaying troubleshooting or repairs.

9. **Physical Size and Installation Constraints**

The unit s size and weight may require careful planning during installation, especially in retrofitting existing systems where space is constrained.

10. **Potential for Obsolescence**

While Mitsubishi s products are durable, newer models or series may eventually replace the S12Y series. Users should consider whether they need a long-term solution or are open to upgrading in the future.

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### **Conclusion**

The Mitsubishi KE76B674G03 (INV/S12Y) VFD is a robust, high-performance solution for applications requiring precise motor control, energy efficiency, and reliability. Its strengths lie in its ease of use, compatibility with Mitsubishi s ecosystem, and built-in protection features, making it ideal for industrial, commercial, or automation applications where uptime and performance are critical.

However, the higher cost, complexity for non-technical users, and potential over-specification for simple applications may deter some buyers. If the application demands variable speed control, scalability, and long-term reliability, this VFD is a strong choice. For budget-conscious or very basic applications, alternatives (e.g., lower-cost generic VFDs) might be considered, though they may lack the same level of support and performance.

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### **Recommendation**

- You require a reliable, high-performance VFD for a mid-range power application (e.g., pumps, fans, conveyors, HVAC systems).

- Your system is part of a larger Mitsubishi automation setup (e.g., PLCs, HMIs) or you plan to integrate it with Mitsubishi motors.

- You prioritize ease of use, energy savings, and long-term support over cost.

- You need features like soft-start, regenerative braking (if available in your model), or advanced diagnostics.

- Your budget is tight, and you can accept a lower-cost VFD with comparable basic functionality (e.g., from brands like Danfoss, ABB, or aftermarket manufacturers).

- The application is very simple (e.g., basic on/off control), and advanced features are unnecessary.

- You require a higher power rating (>15 kW) and should explore Mitsubishi s FR-F series or other high-power VFDs.

- You lack technical expertise to configure or maintain the VFD, as training or hiring an expert may be required.

For most industrial or automation applications where performance, reliability, and integration matter, the Mitsubishi KE76B674G03 is a well-justified purchase. Ensure you verify the specific model s specifications (e.g., input voltage, power rating) against your application s requirements and consult Mitsubishi s documentation or a certified technician for optimal setup.

Details:

Condition: Excellent Condition. Mitsubishi KE76B674G03 INV/S12Y-BOARD.

part #: ke76b674g03 prices

• $90.00-$289.94

specifications hvaapa:

• brand: Mitsubishi
• mpn: Ke76b674g03
• model: Inv/s12y-board
• part type: Hvac Control Circuit Board
• compatible brand: For Mitsubishi
• country of origin: Japan

shipping hvaapa:

• cost: $26.32
• type: Calculated
• class: Economy, One-day
• carrier: UPS
• transit: 5-8 Days
• service: UPS Ground Saver, UPS Next Day Air

offer hvaapa:

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

seller hvaapa:

• city: Lilburn, Georgia
• rating: 100.0%
• # reviews: 493

general hvaapa:

• condition: Used
• HVAC Refrigeration > HVAC Refrigeration: Parts Accessories > HVAC Refrigeration: Controls Circuit Boards

payments hvaapa:

• wallet: Google-pay
• other
• credit card: Mastercard

returns hvaapa:

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

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