March 2004 marked the birth of ArmCoil’s locally designed and manufactured transformer brand, ACEM, when it took over the high voltage manufacture and repair division of Hertz Technologies. ACEM, acronym for ArmCoil Electric Machines, was introduced to meet the growing local and African demand for distribution transformers.

ACEM TransformersACEM Transformers

The product line includes ONAN, ONAF and dry type transformers in the range of 200kVA – 5000kVA, to a maximum voltage of 33kV.

ACEM transformers are manufactured in strict accordance with the South African National Standard Specification SANS 780.Acem3

ArmCoil has been accredited for the ISO 9001:2008 quality standard by TUV Rheinland. Our QA System is audited every six months to ensure its continuous improvement.

ArmCoil is able to offer a complete solution to its customers, including installation, connection and commissioning. Optional extras such as safety devices, extended warranties and maintenance contracts can also be offered.