Braking Resistors

Braking resistors are essential components used with Variable Frequency Drives (VFDs) or inverters to dissipate excess energy generated during motor deceleration. When a motor slows down, it can act as a generator, feeding power back into the drive. The braking resistor absorbs this energy, converting it into heat, which prevents overvoltage within the drive and allows for controlled and rapid stopping of the motor. They are commonly used in CNC machines, industrial automation, elevators, cranes, and any application requiring precise motor speed control and braking.

Selecting the correct braking resistor involves considering several technical factors. Key parameters include the resistor’s power rating (in Watts), which must be sufficient to handle the regenerative energy; its resistance value (in Ohms), which needs to be compatible with your VFD’s specifications; and the duty cycle, indicating how frequently and for how long the resistor will be used. Always consult your VFD manufacturer’s manual for recommended resistance ranges and power requirements to ensure optimal performance and safety.

Braking resistors are compatible with most VFDs and inverters that support external braking resistors. Their primary use case is to enable dynamic braking, allowing motors to stop quickly and safely, especially under heavy loads or in applications where coasting to a stop is not feasible. This is crucial in CNC machinery for precise positioning, in material handling systems like conveyors and elevators to prevent runaway loads, and in robotics for controlled movements. Proper selection ensures smooth operation and extends the life of both the motor and the drive.

Mermak CNC offers a range of braking resistors and other electronic components for motor control. We have extensive experience in providing solutions for industrial automation and CNC applications. Our product selection is curated to meet the demanding requirements of modern machinery. For more advanced motor control solutions, you can explore our selection of Speed Control Devices, which includes a variety of VFDs and related accessories.

At Mermak CNC, we understand the importance of timely delivery for your operations. Our products, including braking resistors, are stocked at our Ankara Uzay Sanayi factory and warehouse. The stock quantities and prices displayed on our website are always up-to-date. Unlike many suppliers, we ship directly from our stock, meaning your order is prepared and dispatched without production waiting times. This ensures that your components are on their way to you as quickly as possible.

Mermak CNC has extensive experience in international trade, serving customers worldwide. We have established reliable logistics partnerships to ensure your orders reach you safely. For customers in the United Kingdom, the United States, Canada, Australia, Ireland, and New Zealand, among many other global markets, we manage comprehensive supply and international shipment processes. Your order will be carefully packaged, and all necessary invoices and documents will be prepared. We meticulously track your shipment until it reaches your destination, providing you with peace of mind. You can also request product videos or virtual tours of our factory and warehouse via WhatsApp or our contact channels.

With approximately 16 years of experience, Mermak CNC is a trusted manufacturer and supplier based in the Ankara Uzay Sanayi region. We pride ourselves on our commitment to quality, reliability, and customer satisfaction. Our experienced team is dedicated to providing expert support and ensuring that your purchasing experience is smooth and efficient. We offer up-to-date stock information, competitive pricing, and a robust international shipping network, making us an ideal partner for your industrial electronic needs.