Commitment andCertification

Our adherence to high national as well as international EN, UL and CSA standards facilitates access to international markets. Underwriters Laboratories LLC (UL) enables certified foreign products access to the US American and Canadian markets without any further import or usage restrictions

Equally, ISO certification underlines our efforts to offer quality products and services. Fully aware that premium quality is not just about being equipped with the latest technology, but instead encompasses the entire organisation, we opted for TQM as our management and performance system in 2001.



Low Voltage Directive

The European Union and European Council Directive no. 2014/35/EU on the harmonisation of the laws of Member States relating to electrical equipment designed for use within certain voltage limits is the most important regulation for the safety of electrically powered devices alongside the EMC Directive.


EMC Directive

The EMC Directive no. 2014/30/EU is a European Union regulation on the electromagnetic compatibility of electrical and electronic products. In general terms, the EMC Directive aims to avoid electromagnetic interference between devices.

IEC standarts

The many different kinds of wound components are manufactured and tested in accordance with European Standard EN 61558 – Safety of transformers, reactors, power supply units and similar products.
Part 1: General requirements and tests
Part 2: Particular requirements for power transformers and power supply units


Additionally, Bächli takes a wide range of application-specific IEC generic standards into account during development and production.

Directive 2002/95/EC of the European Parliament and Council

of 27 January 2003 on the restriction of the use of certain hazardous substances in electrical and electronic equipment


All Bächli AG products are RoHS-compliant.

Directive 2011/65/EC of the European Parliament and Council

of 8 June 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment (new edition)


All Bächli AG products are RoHS 2-compliant.

European REACH Regulation 1907/2006

Registration,  Evaluation, Authorisation of Chemicals


REACH is a European Union regulation enacted to improve the protection of human health and the environment from the potential chemical risks and to simultaneously enhance the competitiveness of the chemical industry in the EU. It also promotes alternative methods for determining the harmful effects of materials in order to reduce the number of tests on animals.

Bächli AG products do not contain any SVHC materials subject to declaration. All products meet the requirements of this regulati

ISO 9001:2015

Bächli AG is ISO 9001:2015-certified. Certification is undertaken regularly by the Swiss Institute. Design, production and trading of transformers, reactors and assembly groups.


UL file E72776 and insulation system E327402 in class F

Our certifications help you get to market more quickly and safely, and can save you considerable costs during the system approval process for your products. Our wound components are certified according to UL 5085/CSA 22 standards.