31156000 - Interruptible power supplies

CPV code 31156000 in the EU Common Procurement Vocabulary refers to Interruptible power supplies. It sits at level 4 of the CPV hierarchy as a category within the 31 division. This code is nested directly under 31150000, narrowing the broader category into the specific area of interruptible power supplies. As a leaf code, 31156000 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 interruptible power supplies. Contracting authorities across the EU use 31156000 in TED notices and national procurement portals to signal that a tender relates to interruptible power supplies.