31161900 - Voltage-control systems

CPV code 31161900 in the EU Common Procurement Vocabulary refers to Voltage-control systems. It sits at level 5 of the CPV hierarchy as a subcategory within the 31 division. This code is nested directly under 31161000, narrowing the broader category into the specific area of voltage-control systems. As a leaf code, 31161900 has no further subdivisions and represents the most precise classification available in this branch — buyers should reference it directly in tender notices when the procurement primarily concerns voltage-control systems. Contracting authorities across the EU use 31161900 in TED notices and national procurement portals to signal that a tender relates to voltage-control systems.