Standards for switchgear in Austria: IEC 62271, DIN VDE and ÖNORM

Switchgear systems in Austria must comply with a range of national and international standards—from planning and manufacturing to testing and operation. The specific standards that apply depend on the voltage level, system type, and installation location. This article provides a structured overview of the most important standards for low- and medium-voltage switchgear, explains the difference […]

What is medium-voltage switchgear?

Medium-voltage switchgear distributes electrical energy within the voltage range of 1 kV to 36 kV. It is positioned at the interface between the high-voltage network operated by transmission system operators and the low-voltage distribution systems in buildings and industrial facilities. Without medium-voltage switchgear, safe and selective power distribution in industrial plants, power stations, and infrastructure […]

Switchgear compared: low voltage, medium voltage, and high voltage

Switchgear distributes, switches, and protects electrical energy in industrial facilities, power plants, and infrastructure projects. The type of switchgear suitable for a particular site primarily depends on the voltage level: low-voltage switchgear operates at up to 1,000 V, medium-voltage switchgear between 1 kV and 36 kV, and high-voltage switchgear from 52 kV upwards. This article […]

Switchgear retrofit: When is modernization more worthwhile than a new installation?

Many medium- and low-voltage switchgear systems in Austrian industrial facilities are between 20 and 35 years old. Spare parts are no longer available, protection relays rely on outdated technology, and a fault can bring the entire production process to a standstill. The question is therefore not whether action is required, but how: complete replacement or […]