Compliance First
Built to American standards — no exceptions.
Every Metron Power unit is engineered, factory-tested, and certified to the codes your AHJ and serving utility require. Documentation packages ship with every order.
UL Listed
Certificate PENDING
All applicable Metron Power product lines are UL listed for use in North American electrical systems.
ANSI / IEEE C57
Series Compliance
Full conformance to the C57.12 family covering general requirements, terminal markings, dielectric tests, and short-circuit withstand.
DOE 2025
Efficiency Standards
Distribution and dry-type transformers meet or exceed DOE 2025 minimum efficiency requirements.
IEEE C57.12.28
Pad-Mounted Enclosure
Pad-mounted equipment built to IEEE C57.12.28 tamper-resistant enclosure integrity standard.
Standards Index
Every applicable code, on every datasheet.
We don't ship reformatted Asia-Pacific specs. Compliance documentation is published in ANSI/IEEE format with US-resident engineering signatures.
- ANSI C57.12.00 — General Requirements for Liquid-Immersed Distribution & Power Transformers
- ANSI C57.12.01 — Dry-Type Distribution & Power Transformers
- ANSI C57.12.34 — Three-Phase Pad-Mounted Compartmental-Type Transformers
- ANSI C57.12.90 — Test Code for Liquid-Immersed Transformers
- IEEE 1547 — Interconnection of Distributed Energy Resources
- NEMA TR-1 — Transformers, Regulators, and Reactors
Need the full compliance pack?
UL listing, ANSI/IEEE conformance matrix, DOE 2025 efficiency tables, factory test reports, and US warranty terms — issued with every order.