We strive to uphold the highest quality standards for all the products we manufacture and are proud to hold a number of manufacturing quality approvals.

Additionally, Powerstar has manufactured transformers tested and approved by BASEFA and SIRA for mining/ flameproof applications, as well as, American Bureau of Shipping (ABS), Lloyd’s Register and Bureau Veritas (BV) for shipping standards.

British Chambers of Commerce

Provided with accreditation to carry the British Chamber of Commerce logo due to export success of solutions which are fully manufactured in the UK.

SafeContractor Accreditation

Powerstar has been successfully awarded the SafeContractor Accreditation under membership number SP4837.

SafeContractor is a leading accreditation which reassures customers that Powerstar is health and safety compliant across every aspect of the business.

Avetta Consortium Member

Powerstar is a proud member of the Avetta consortium which meet stringent standards for superior businesses. Avetta connects the world’s leading organisations with qualified suppliers, contractors, and vendors.

NICEIC Approved Contractor

The NICEIC Approved Contractor Scheme is for electrical contractors undertaking design, installation, commissioning and maintenance of electrical installations to BS 7671.

Made in Sheffield

Accredited in 2010 with the Made In Sheffield mark, awarded to select companies within Sheffield who uphold the cities standards of excellence in manufacturing.

Quality Assurance ISO9001:2015

Powerstar has been certified by BSI to ISO 9001:2015 under certificate number FS579032 for the design, manufacture and repair of air and liquid cooled transformers and inductors.

Environmental Management ISO14001:2015

Powerstar has been certified by BSI to ISO 14001:2015 under certificate number EMS600861 for the environmental management of our processes.

UL Quality Assurance 1

Powerstar has been certified by Underwriters Laboratories Inc (UL) for the manufacture of transformers and chokes not exceeding 250kVA and 600V, certificate number E176641.

UL Quality Assurance 2

Powerstar has also been certified by Underwriters Laboratories Inc (UL) for dry type ventilated autotransformers from 150kVA to 3000kVA and voltages to 600V, certificate number E472553.

Achilles RISQS

Through Achilles, Powerstar is a registered supplier to the Rail industry via Link-Up, supplier number 23309.

Achilles UVDB

Powerstar is a proud member of UVDB, supplier number 703039.

CE Mark

Powerstar carries the CE Mark ensuring its products comply with EU safety and environmental requirements.

Powerstar is a registered trademark of EMSc (UK) Ltd. Company reg no: 4209907. Registered in England and Wales
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