Manufacturer of custom transformers, chokes, power supplies and switchgear cabinets according to VDE, EN and UL/CSA.
Breimer-Roth GmbH
Erbach (Odenwald)New on Amplifa
About Breimer-Roth
Breimer-Roth GmbH is a manufacturer specializing in transformers, based in Erbach in the Odenwald region. The company develops and produces single- and three-phase control, universal, isolation and auto (ring) transformers up to 500 kVA (single-phase) or 800 kVA (three-phase), as well as line chokes, filter chokes, motor filters, power supplies, switchgear cabinets and test benches. Production is fully custom, from development and design through to series production, including testing in accordance with VDE0570, EN61558 and UL/CSA, including UL approvals. Fields of application include industrial applications, mechanical and plant engineering with control and fan transformers, and medical technology with isolation transformers for medical rooms. Production is carried out in accordance with DIN ISO 9001:2015; the company has been on the market since 1975 and celebrated its 50th anniversary on 26 February 2025.
- Site
- Erbach
- Processes
- Transformer manufacturing (single-phase transformers up to 500 kVA), Transformer manufacturing (three-phase transformers up to 800 kVA), Manufacture of line chokes, motor filters and power supplies, Switchgear cabinet construction and test benches, Development and series production of custom transformers (from development through, Production according to VDE0570, EN61558 and UL/CSA (UL approvals), Single-phase auto transformers / energy-saving auto transformers (series BERS 684, BERS 757,, Manufacture of single-phase control transformers (BS, BSV, BSUS, BSUL)
- Materials
- Copper (transformer windings), Electrical steel sheet (transformer cores), Copper, Electrical steel sheet
- Certificates
- DIN EN ISO 9001:2015, ISO 9001, Other (UL/CSA, VDE0570, EN61558)
- Founded
- 1975
- Industries
- Industrial applications (general), Mechanical and plant engineering, Medical technology, Medical technology (isolation transformers for medical rooms), Mechanical and plant engineering (control and fan transformers)
- 01
Development / Design
- 02
Winding production (copper, electrical steel cores)
- 03
Transformer assembly
- 04
Switchgear cabinet construction
- 05
Testing / test benches
- 06
Series production and delivery
Materials & Processes
Copper
Material for transformer windings in all transformer and choke series.
Electrical steel sheet
Core material for transformer and choke cores.
Locations
Erbach
DEHeadquarters / Production (Odenwald)
- Materials
- Copper, electrical steel sheet
- Test benches
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Transformer manufacturing (single-phase transformers up to 500 kVA)Assembly | – | – | – | – | Copper, Electrical steel sheet |
| Transformer manufacturing (three-phase transformers up to 800 kVA)Assembly | – | – | – | – | Copper, Electrical steel sheet |
| Manufacture of line chokes, motor filters and power suppliesAssembly | – | – | – | – | Copper, Electrical steel sheet |
| Switchgear cabinet construction and test benchesAssembly | – | – | – | – | – |
| Development and series production of custom transformers (from development throughEngineering | – | – | – | – | – |
| Production according to VDE0570, EN61558 and UL/CSA (UL approvals)Testing | – | – | – | – | – |
| Single-phase auto transformers / energy-saving auto transformers (series BERS 684, BERS 757,Assembly | – | – | – | – | Copper, Electrical steel sheet |
| Manufacture of single-phase control transformers (BS, BSV, BSUS, BSUL)Assembly | – | – | – | – | Copper, Electrical steel sheet |
| Manufacture of three-phase transformers (BDUT, BDF, BDVA, BDH, BNLB neutral conductor former)Assembly | – | – | – | – | Copper, Electrical steel sheet |
| Manufacture of line chokes and filter chokes (BEND, BENDD, BEFD, BDFD, BDND)Assembly | – | – | – | – | Copper, Electrical steel sheet |
| Manufacture of isolation transformers for medical rooms (BMED, BDMED) andAssembly | – | – | – | – | Copper, Electrical steel sheet |
Additional services
Quality & Certification
Production is certified to DIN EN ISO 9001:2015 (re-certification by DMSZ in March 2024) and carried out according to VDE0570, EN61558 and UL/CSA; in-house test benches are used for final inspection.
| Evidence | Erbach |
|---|---|
| ISO 9001 | |
| Other (UL/CSA, VDE0570, EN61558) |
History
- 1975
Company founded
- 2024
Re-certification audit DIN EN ISO 9001:2015 by DMSZ in March 2024
- 2025
50th company anniversary on 26 February 2025