Mitsubishi FR-BU2-3.7K - VFD Inverter

FR-BU2-3.7K is a compact and high-performance brake unit from Mitsubishi Electric, designed to enhance braking control and stability in Mitsubishi VFD Inverters. Built for modern industrial automation, this model provides smooth deceleration, energy efficiency, and reliability in variable-speed motor applications.

The Mitsubishi FR-BU2-3.7K is a 200V brake unit engineered for seamless compatibility with Mitsubishi inverter systems. It helps dissipate regenerative energy during motor braking, preventing overvoltage and ensuring drive protection in high-performance applications. This model comes with an IP00 protection class and features a durable yet lightweight design weighing only 0.9 kg. Its compact body, measuring 68 mm wide, 128 mm high, and 132.5 mm deep, makes it ideal for installation in tight control panels. The FR-BU2-3.7K effectively manages braking energy without the need for external resistors, enhancing system safety and longevity. It is widely used alongside Mitsubishi’s advanced inverter series such as FR-BAL and FR-F800, delivering consistent braking torque even under demanding load cycles. The unit’s efficient thermal dissipation design supports continuous operation in high-speed manufacturing setups, ensuring minimal downtime and longer drive life.

The Mitsubishi FR-BU2-3.7K finds applications across diverse industries such as packaging machinery, textile equipment, conveyor systems, and automated assembly lines. It is particularly beneficial in operations requiring frequent acceleration and deceleration, where precise braking response is essential to maintain motor stability. Engineers prefer this unit for its compact footprint, dependable protection against DC bus overvoltage, and seamless integration with existing Mitsubishi VFD Inverters. The model ensures consistent braking performance in both single and multiple drive configurations, making it suitable for factories emphasizing high reliability and energy efficiency. Its robust engineering and adaptability help reduce mechanical wear, improve control precision, and ensure smoother production flow in continuous-duty operations.

For detailed product data, installation guidelines, and electrical characteristics, refer to the Mitsubishi FR-BU2-3.7K datasheet and FR-BU2-3.7K manual. Industrial buyers can verify the latest FR-BU2-3.7K price from authorized Mitsubishi distributors or automation solution providers. With its superior performance, build quality, and proven track record, the Mitsubishi FR-BU2-3.7K remains one of the most trusted braking units for advanced VFD inverter systems in industrial automation.