ABB RK638006-AA High-Reliability Diode Unit for Protection Circuits
Description
TheABB RK638006-AA Diode Unit, also known as theRLOE 100, is a specialized component engineered for high-voltage switchgear applications. Designed to work seamlessly with ABB’sREB103 busbar protection relay, this diode unit plays a critical role in ensuring directional current control and fault isolation. Moreover, its rugged build and modular design make it ideal for demanding industrial and utility environments. Manufactured in Sweden, theRK638006-AAis part of ABB’s legacy protection system portfolio. It supportshigh-speed fault responseand integrates easily into existing substation architectures. In addition, its compact form factor andIP54-rated enclosureallow for reliable operation in harsh conditions, including outdoor installations and vibration-prone environments.