
Buchholz Relay
Gas Detection and Protection
Weidmann partners with EMB (Elektromotoren und Gerätebau Barleben GmbH), a German specialist in transformer protection equipment, to offer high-quality Buchholz relays for oil-immersed transformers. With decades of engineering expertise and a strong focus on precision manufacturing, EMB is recognized for its reliable and effective solutions in transformer safety systems.
Designed to detect gas accumulation and oil movement caused by internal faults, EMB’s Buchholz relays are critical components in transformer protection. Engineered for fast response and long-term reliability, they help safeguard assets and prevent costly failures in power applications.
These products are exclusively available through Weidmann Electrical Technology in the Asia Pacific region.
If you are outside this region but interested in more information, please click below to contact us about availability.
Buchholz relay (single or double float)
Smart Buchholz relay
These products are designed to protect oil-filled power and distribution transformers by detecting internal faults early, such as gas accumulation or sudden oil flow, helping prevent damage and ensuring reliable operation across a wide range of grid and substation environments.
In addition to the standard function of the Buchholz relay, the Smart Buchholz Relay has sensor technology that offers a range of additional functions, allowing extended and reliable monitoring of the transformer.