The Buchholz Relay is an importantprotection and monitoring device for insulating liquid filled transformers with conservator and chokecoils. It also allows separate monitoring of oil-filled bushings or cable terminal boxes. It is mounted inthe cooling cycle of the device to be protected and responds to faults such as gas generation, lossof as well as high flow rates of the insulating liquid.The type diversity of the Buchholz relay is tailored to norms and standards as well as to specialcustomer demands. The type of relay to be used depends on the nominal rating and constructionfeatures of the device to be protected. Our range of products permits optimum adaptation to actualrequirements.
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