
Great milestone for PhaseGreen Technology Inc.!
Our full lineup of 30–6750 kVA over-600V liquid-filled distribution transformers has obtained the UL Certificate of Compliance (Cert No. E555009, issued June 25, 2026).
Our transformers passed strict UL assessments complying with IEEE & CSA North American industry safety standards, covering pad-mounted equipment integrity, liquid-immersed transformer design and high-voltage safety requirements.
This UL certification clears all core market entry barriers, paving the way for our medium-voltage transformer solutions to be fully deployed across the US utility, industrial, data center and renewable energy markets.
Backed by third-party UL safety validation, PhaseGreen delivers fully compliant, reliable power transformation equipment for North American grid infrastructure
PhaseGreen Secures Official UL Certification for 30–6750 kVA Medium-Voltage Liquid-Filled Transformers Voltage Liquid-Filled Transformers
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