One European regulation quietly decides which transformers may be sold, and eliminates most cheap units built for other markets. Here is what Tier 2 is, and why it matters before you buy.
Regulation (EU) 548/2014 (Ecodesign) caps the energy losses of power transformers placed on the EU market. It applies in stages: a first level ("Tier 1") from 2015, then a stricter level ("Tier 2") from 1 July 2021. Since that date, Tier 2 is the reference for most new transformers placed on the EU market. It is a legal floor, not an option.
Tier 2 sets a ceiling on both. Depending on your load profile, specifying better than Tier 2 on one family can pay back in a few years of electricity, the "better than Tier 2" option in our configurator.
Tier 2 is what separates a genuine EU-market transformer from a repurposed domestic one. As the brand placing the unit on the market, we take responsibility for meeting it, verified at the factory, documented in the test report. For the full compliance picture, see EU compliance.
General information, not legal advice; exact guaranteed losses appear on each unit's individual test report.
Yes, Tier 2 applies to any transformer placed on the EU market, wherever it was manufactured. The brand placing it on the market carries the manufacturer's obligations: compliant losses, test report, EU Declaration of Conformity.
Ask for the routine test report showing measured no-load and load losses against the regulation's limits, and the EU Declaration of Conformity naming the regulation. A claim without a test report is just a claim.
On heavily loaded sites running around the clock, data centers, industry, reduced-loss designs often pay back over the transformer's decades of service. On lightly loaded substations, standard Tier 2 is usually the rational choice.