Supply Substations

Whether it’s compact substations or easy-access transformer substations made of concrete - GRÄPER sets high standards with its supply substations. More

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Electrical Technology

Medium voltage or low voltage switchgear - GRÄPER ensures trouble-free operation. More


Arc-fault protection doors, pick-proof ventilation elements and leak-proof oil pans – quality products from GRÄPER. More

Sand-Lime Products

For over 100 years, GRÄPER has produced sand-lime brick in its own plants, creating a building material with a special character. More

Pre-Cast Concrete Products

GRÄPER specialises in large-scale applications of lightweight concrete – and not just for supply substations. More