2 Safety
9
7232312/00 EN
This technical document contains detailed descriptions on the safe and
proper installation, connection, commissioning and monitoring of the prod-
uct.
▪ Read this technical file through carefully to familiarize yourself with the
product.
▪ This technical file is a part of the product.
▪ Read and observe the safety instructions provided in this chapter in partic-
ular.
▪ Observe the warnings in this technical file in order to avoid function-re-
lated dangers.
▪ The product is manufactured on the basis of state-of-the-art technology.
Nevertheless, risks to life and limb for the user or impairment of the prod-
uct and other material assets may arise in the event of improper use.
2.1 Intended use
The Buchholz relay is a protective device for on-load tap-changers, trans-
formers and reactors with an oil conservator. The Buchholz relay is installed
in the pipe between the transformer tank and oil conservator on the trans-
former and/or between the on-load tap-changer head and oil conservator on
the on-load tap-changer.
The product is designed solely for use in electrical energy systems and facili-
ties. If used as intended and in compliance with the requirements and condi-
tions specified in this technical document as well as the warning notices con-
tained in this technical document and attached to the product, the product
does not pose risk of personal injury or damage to property or the environ-
ment. This applies throughout the entire service life of the product, from de-
livery, installation and operation to removal and disposal.
Intended use refers to the following:
▪ Use the product only with the transformer specified in the order.
▪ Operate the product in accordance with this technical document, the
agreed-upon delivery conditions and the technical data.
▪ Ensure that any necessary work is only performed by qualified personnel.
▪ Use the equipment and special tools supplied solely for the intended pur-
pose and in accordance with the specifications of this technical document.
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