The Buchholz Relay Trainer (Model: XPO-PRT/BUZ) is an innovative educational tool designed to provide a comprehensive understanding of Buchholz relays used in transformer protection. Transparent Construction: The conservator and transformer tanks are constructed with transparent acrylic, allowing for easy observation of oil levels. This transparency enhances the learning experience by providing a clear view of the internal mechanisms. Simulation Tools: The trainer includes both an air pump and a foot pump to simulate gas formation and short-circuit faults. The Quick Release Coupling (QRC) socket facilitates easy replacement of the air pump with the foot pump, offering flexibility in simulation methods. Observation Features: Transparent piping is incorporated to allow for easy observation of oil flow and air bubbles, providing a visual representation of the relay’s operation.