Which international standards do your transformers comply with? — Transformer FAQ
Our transformers are designed, manufactured, and tested to IEC (International), ANSI/IEEE (North American), UL (Underwriters Laboratories), CSA (Canadian),
Which international standards do your transformers comply with?
Our transformers are designed, manufactured, and tested to IEC (International), ANSI/IEEE (North American), UL (Underwriters Laboratories), CSA (Canadian), and DOE (US Department of Energy) standards. This triple-standard compliance is rare among manufacturers and enables global deployment.
Triple-standard compliance is one of ETS's most significant competitive advantages. Very few transformer manufacturers worldwide hold simultaneous IEC, ANSI/IEEE, and UL certifications — this capability enables us to serve markets across Europe, Middle East, Africa, and North America from the same manufacturing facilities.
IEC Standards (International)
- IEC 60076 series (power transformers)
- IEC 61378 (converter transformers)
- IEC 60296 (insulating oil)
- IEC 61100 (ester fluids)
- IEC 60076-11 (dry-type transformers)
ANSI/IEEE Standards (North America)
- IEEE C57.12.00 (liquid-immersed)
- IEEE C57.12.01 (dry-type)
- IEEE C57.12.34 (pad-mounted)
- IEEE C57.12.90 (test code)
- DOE 2016 / DOE 2024 efficiency standards
UL Standards
- UL 1562 (dry-type transformers)
- UL 1561 (liquid-filled distribution)
- UL Listed product certification
Quality & Lab Accreditation
- ISO 9001:2015 (Quality Management)
- ISO 14001:2015 (Environmental Management)
- ISO/IEC 17025:2017 (Testing Laboratory)
This multi-standard capability is particularly valuable for global EPC contractors who need a single supplier across multiple regions, and for multinational corporations standardising their transformer fleet globally.
Triple-standard compliance is one of ETS's most significant competitive advantages. Very few transformer manufacturers worldwide hold simultaneous IEC, ANSI/IEEE, and UL certifications — this capability enables us to serve markets across Europe, Middle East, Africa, and North America from the same manufacturing facilities.
IEC Standards (International)
- IEC 60076 series (power transformers)
- IEC 61378 (converter transformers)
- IEC 60296 (insulating oil)
- IEC 61100 (ester fluids)
- IEC 60076-11 (dry-type transformers)
ANSI/IEEE Standards (North America)
- IEEE C57.12.00 (liquid-immersed)
- IEEE C57.12.01 (dry-type)
- IEEE C57.12.34 (pad-mounted)
- IEEE C57.12.90 (test code)
- DOE 2016 / DOE 2024 efficiency standards
UL Standards
- UL 1562 (dry-type transformers)
- UL 1561 (liquid-filled distribution)
- UL Listed product certification
Quality & Lab Accreditation
- ISO 9001:2015 (Quality Management)
- ISO 14001:2015 (Environmental Management)
- ISO/IEC 17025:2017 (Testing Laboratory)
This multi-standard capability is particularly valuable for global EPC contractors who need a single supplier across multiple regions, and for multinational corporations standardising their transformer fleet globally.
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