On the pulse of time

After more than 50 years of transformer manufacturing, we still feel young – quality, reliability, and a spirit of innovation drive us more than ever.
From Erbach in the Odenwald, in the south west of Germany, we supply customers worldwide with transformers, chokes, filters, and electrical components. An energetic duo at the top and a skilled team in the background form the driving force that enables us to deliver peak performance for you.

A team for your questions

Whether it’s a short-term inquiry or a complex custom-made solution – our service and technical team work closely together to tackle your challenges in a straightforward and simple way. It’s important to us to communicate transparently and customer-focused throughout all project phases, thus laying the foundation for a long-term and reliable partnership. We look forward to your call.

» Service

The vision of perfect collaboration

Optimal customer service and high-quality products, the productive collaboration of humans and machines, the technology of tomorrow, and the challenges of today – bringing these together, orchestrating them seamlessly, and improving them every day is our shared vision.
We grow together – with your challenges.

Wolfgang and Nicole Orio - Management

Because safety is our standard

Our company history

1974
Foundation of Breimer-Roth KG by Heinz-Jürgen and Ute Breimer as coil winding plant for tube television production, construction of the production site in Ostring 11 in Erbach in the same year

1979
Expansion of the production area and start of transformer construction

1980
Conversion of Breimer-Roth KG into Transformatorenwerk Breimer-Roth GmbH

1990
Extension of the production area

1995
Acquisition of transformer core welding machines and multi-spindle winding machines to increase the capacity

1999
Introduction of an ERP system with production planning

2002
Certification according to DIN ISO 9001

2003
Expansion of production to include electronic assembly production

2004
Development and production of inductors

2011
Takeover of the GmbH by Nicole and Wolfgang Orio as managing partners

2012
Procurement optimization through the introduction of Kanban

2013
Expansion of production for transformers up to 500 kVA

2014
Extension of production area, UL / CSA approval for switchgear construction norm: UL 508A; acquisition of further linear winding machines to increase capacity

2015
UL/CSA approval electrical insulation system standard: UL1446; new ERP with production data acquisition and production planning as cloud solution; opening of the copper processing centre

2016-2017
Acquisition of further linear winding machines and transformer welding machines

2016
First participation as an exhibitor at SPS in Nuremberg and Innotrans in Berlin

2017
Introduction of the quality measurement of transformer core sheets by new testing machines; acquisition of full approval UL/CSA UL5085 XPTQ2 / XPTQ8 for the BS and BE series; exhibitor at SPS in Nuremberg

2018
Start of the research project, transition to ISO 9001:2015; expansion of the test station to include voltage regulators, load banks, and winding short-circuit testers; introduction of a revision-proof data management system integrated into the ERP system, cloud computing, and telephony; exhibitor at InnoTrans in Berlin; exhibitor at SPS in Nuremberg

2019
Acquisition of full UL/CSA UL5085 XPTQ2/XPTQ8 certification for the BDF and BDVA series, repeated participation at SPS in Nuremberg

2020
Expansion of the product range to include test benches, adjustable voltage sources, and inrush current limiters

2021
Acquisition of automatic cutting and stripping machines for cable assembly; capacity expansions in switchgear manufacturing

2022
Purchase of three additional new winding machines for capacity expansion

2023
Introduction of networked iPads for production with bills of materials, work orders, product images, as well as testing instructions and automatic creation of test reports and certifications

2024
We celebrate our 50th company anniversary!