Brake Resistors Self-extinguishing Self-extinguishing Short-circuit Resistance Short-circuit Resistant Installation Location Can Be Installed Outside The Control

REO has been manufacturing resistors for more than 75 years. Its wide experience and application knowledge of high-capacity braking resistors that are wound on tubes or ceramic cores has led it to develop more modern technologies. The Kyritz subsidary has been producing braking resistors in profile construction for more than 20 years. Better heat dissipation and better dynamic behaviour of the resistors have been achieved by filling heat conducting material surrounding the wound body. Impressive temperature reductions are possible due to efficient power dissipation.

REO can provide resistors for inverters that can offer the following advantages:

• The resistor can be directly matched to the requirements (Output; peak output; cycle duration);
• The braking resistor can also be installed outside the control cabinet, and therefore, the heat energy of the resistor is not generated inside the control cabinet anymore;
• Large variety for cooling, e.g., (active and passive) air cooling and water cooling are possible;
• Upon overloading the braking resistor, there is no overheating of electronic components; for water cooled and externally mounted units.
• Resistors are short-circuit resistant and are self-extinguishing

REO's aim is to always integrate new technologies in development of its resistor range, especially with regard to the dimensions, heat evolution, dynamic behaviour and not least, design and layout. Moreover, innovations are promoted and the technological compositions of various new products are presented to the market in the form of systems, such as, e.g. from these developments emerged the series of REOHM resistors BW 150 in 9 different versions for:

• Lift technology
• Robotics
• Wind power engineering
• Railway engineering
• Automobile engineering
• Handling systems and
• so-called Stop motors
• Frequency converter and DC drives
• Load resistors for power supplies, batteries, UPS systems
• Resistors for testing and measurement stations

REO resistors are typically used in conjunction with brake choppers, which are either located in frequency converters, or – particularly with large systems, are present as stand-alone units - braking resistors are connected and disconnected and thus consume the excess voltage at the capacitors of the DC intermediate circuit. Together with the braking resistors, REO will also supply you the corresponding brake chopper or resistors with integrated brake chopper.