Mitsubishi Electric Fr-br-h55K Resistor Unit 3910W 400V Product Overview The Mitsubishi Electric FR-BR-H55K Resistor Unit is a high-performance braking resistor designed to support demanding industrial automation systems that use Mitsubishi Electric inverters and drive solutions. Manufactured by Mitsubishi Electric Corporation, this resistor unit is engineered to safely and efficiently absorb excess regenerative energy generated during motor deceleration, stopping, or sudden load changes. In modern industrial environments, motors frequently operate under varying speeds and loads. During rapid deceleration or emergency stops, the motor acts as a generator and feeds energy back into the drive system. Without a proper braking resistor, this excess energy can cause overvoltage faults, system instability, or damage to sensitive inverter components. The FR-BR-H55K resistor unit plays a critical role in managing this energy, ensuring smooth braking performance and protecting the overall drive system.
Designed for 400V class applications, the FR-BR-H55K is built to handle continuous braking energy with high thermal stability. With a robust construction and industrial-grade materials, this resistor unit delivers long-term reliability even in harsh operating conditions. The unit is made in Japan, reflecting Mitsubishi Electric’s global reputation for precision engineering, durability, and quality control.
With a solid mechanical design and a substantial weight of 50.550 kg, the FR-BR-H55K is clearly intended for heavy-duty industrial use. It is suitable for installations where consistent braking performance, operational safety, and system longevity are critical.
Key Features
1. High-Quality Mitsubishi Electric Engineering The FR-BR-H55K resistor unit is developed by Mitsubishi Electric, a globally trusted name in industrial automation. The product reflects decades of expertise in power electronics, motor control, and thermal management, ensuring dependable performance in real-world industrial applications.
2. Efficient Regenerative Energy Absorption This resistor unit is specifically designed to absorb regenerative energy produced during braking operations. By converting excess electrical energy into heat safely and efficiently, it helps maintain stable DC bus voltage levels and prevents inverter trips.
3. Designed for Heavy-Duty Industrial Use The robust physical construction and industrial-grade materials make the FR-BR-H55K suitable for continuous operation in demanding environments. Its solid build supports long service life even under frequent braking cycles.
4. Stable Performance in 400V Class Systems Optimized for 400V class inverter systems, this resistor unit integrates seamlessly with compatible Mitsubishi Electric drives, ensuring reliable braking performance without compromising system efficiency.
5. Excellent Thermal Durability The resistor is designed to withstand high thermal loads generated during braking. Efficient heat dissipation and thermal stability help prevent overheating and ensure consistent operation over extended periods.
6. Reliable Operation During Frequent Braking In applications where motors start, stop, and decelerate frequently, the FR-BR-H55K delivers dependable braking support. This improves machine responsiveness while reducing mechanical and electrical stress on the system.
7. Industrial-Grade Safety and Stability By controlling regenerative voltage rise, the resistor unit enhances overall system safety. It helps protect inverters, motors, and connected equipment from electrical stress and unexpected shutdowns.
8. Made in Japan – Assured Quality Manufactured in Japan, the FR-BR-H55K adheres to strict quality standards. This ensures consistent product performance, precise manufacturing tolerances, and long-term reliability.
Applications
The Mitsubishi Electric FR-BR-H55K Resistor Unit is widely used across various industrial sectors where controlled braking and energy dissipation are essential.
1. Industrial Automation Systems In automated production lines, precise motor control is critical. The FR-BR-H55K supports smooth deceleration and stopping of motors used in conveyors, assembly systems, and automated machinery.
2. CNC Machines and Machine Tools CNC machines require accurate speed control and rapid braking for precision machining. This resistor unit helps manage regenerative energy during sudden speed changes, ensuring stable operation and protecting drive systems.
3. Material Handling Equipment Applications such as cranes, hoists, elevators, and automated storage systems generate significant regenerative energy during load lowering and stopping. The FR-BR-H55K ensures safe energy dissipation and reliable braking performance.
4. Packaging and Printing Machines High-speed packaging and printing equipment often operate with frequent start-stop cycles. The resistor unit improves braking response and prevents inverter overvoltage faults in such dynamic applications.
5. Textile and Paper Industries In textile machines, winders, and paper processing systems, controlled braking is essential to maintain product quality. The FR-BR-H55K supports stable motor deceleration and smooth process control.
6. Pumps, Fans, and Blowers While pumps and fans typically operate continuously, controlled braking is required during shutdown or emergency stops. The resistor unit ensures safe and controlled deceleration in these applications.
7. Steel, Cement, and Heavy Industries Heavy industrial equipment operates under high inertia and load conditions. The FR-BR-H55K is well-suited for these environments, offering reliable braking performance and enhanced system protection.
Benefits of Using Mitsubishi Electric FR-BR-H55K Resistor Unit 1. Enhanced Inverter Protection By safely absorbing regenerative energy, the resistor unit helps protect inverters from overvoltage conditions. This reduces the risk of drive faults, unexpected shutdowns, and costly repairs.
2. Improved System Reliability Stable braking performance improves the overall reliability of the motor drive system. Consistent energy dissipation reduces electrical stress on components and supports long-term operation.
3. Smooth and Controlled Braking The FR-BR-H55K enables smooth motor deceleration, improving machine control and operational safety. This is especially important in precision and high-inertia applications.
4. Reduced Maintenance Costs By minimizing electrical and thermal stress on inverters and motors, the resistor unit helps extend component life. This leads to lower maintenance requirements and reduced downtime.
5. Increased Equipment Lifespan Effective braking control reduces mechanical wear on motors, gearboxes, and mechanical brakes. This contributes to longer equipment life and better return on investment.
6. Safer Industrial Operations Controlled braking improves safety for operators and equipment. The resistor unit helps prevent sudden stops, uncontrolled motion, and electrical failures during braking events.
7. Optimized Performance in Dynamic Applications For applications with frequent acceleration and deceleration, the FR-BR-H55K ensures stable and predictable braking behavior, supporting consistent process quality.
Why Choose Mitsubishi Electric FR-BR-H55K Resistor Unit 1. Trusted Global Brand Mitsubishi Electric is a globally recognized leader in industrial automation and power electronics. Choosing the FR-BR-H55K means investing in a product backed by proven technology and worldwide support.
2. Designed for Compatibility This resistor unit is designed to work seamlessly with Mitsubishi Electric inverter systems, ensuring easy integration and reliable performance without compatibility issues.
3. High Manufacturing Standards
Made in Japan, the FR-BR-H55K meets strict manufacturing and quality standards. This guarantees consistent performance and long-term reliability in industrial environments.
4. Suitable for Heavy-Duty Applications The solid construction and industrial-grade design make this resistor unit ideal for heavy-duty and high-inertia applications where dependable braking is essential.
5. Long-Term Cost Efficiency Although braking resistors are often overlooked, selecting a high-quality unit like the FR-BRH55K can significantly reduce long-term operating costs by protecting expensive drive components.
6. Proven Performance in Real-World Conditions The FR-BR series is widely used across industries, demonstrating proven performance in demanding applications. This real-world reliability makes it a trusted choice for engineers and system integrators.
Conclusion The Mitsubishi Electric FR-BR-H55K Resistor Unit is a dependable and high-performance braking solution designed for modern industrial automation systems. Engineered to safely manage regenerative energy during motor braking, it plays a crucial role in protecting inverters, improving system stability, and ensuring smooth machine operation. With robust construction, excellent thermal durability, and compatibility with 400V class inverter systems, the FR-BR-H55K is well-suited for a wide range of industrial applications. Its Japanese manufacturing quality and Mitsubishi Electric’s engineering expertise make it a reliable choice for industries that demand consistent performance and long service life. Whether used in material handling systems, CNC machines, production lines, or heavy industrial equipment, the FR-BR-H55K resistor unit delivers enhanced safety, reliability, and efficiency. For businesses seeking a trusted braking resistor that supports long-term operational success, the Mitsubishi Electric FR-BR-H55K is an excellent investment in industrial performance and protection.
