What trafomodern Transformantengesellschaft does

Trafomodern Transformatorengesellschaft m.b.H. is an Austrian specialty manufacturer of industrial transformers, chokes, and power supplies, headquartered in Hornstein, Austria, with 51–100 employees operating a ~4,000 m² production facility. Founded over 70 years ago, the company designs and manufactures both a broad standard catalog (single-phase and three-phase control, isolating, safety, matching, and autotransformers, autotransformers, chokes, and GD/GW power supply units) and highly customized solutions for demanding applications, with custom engineering capabilities extending to medium-voltage transformers up to 12 kV and units weighing up to 2,400 kg. The underlying technology is electromechanical — winding copper wire around laminated iron cores — with no digital or software platform layer disclosed.

The company serves enterprise B2B customers across four primary verticals: drive technology, renewable energy (where it self-describes as Austrian market leader), mobility (rail, marine, cable car), and general industrial machinery. Revenue is generated through direct sales via a small field sales team covering Austria, Switzerland, and Bavaria, supplemented by inside sales handling worldwide exports. Pricing is quote-based and structured as a base price plus a monthly-adjusted copper surcharge linked to the Wieland quotation, providing transparent commodity pass-through. Quality is anchored by EN-ISO 9001:2015 and ISO 14001 certifications, UL/CSA listings, and a documented final inspection error rate below 0.2%. The firm is privately held as an Austrian GmbH with no disclosed external investors, parent company, or institutional ownership.

Name

trafomodern Transformantengesellschaft

Legal name

trafomodern Transformatorengesellschaft m.b.H.

Website

https://trafomodern.com

Company type

Private

Founded year

1945

Operating status

Operating

Headcount range

51–100 employees

Short description

Trafomodern is a 70-year-old Austrian specialty manufacturer of industrial transformers, chokes, and power supplies serving enterprise customers in drive technology, renewable energy, mobility, and general industry from its Hornstein production facility.

Ownership category

akta.pro rank

Product category

Industrial Transformers

NAICS

Switchgear and Switchboard Apparatus Manufacturing (335313), Engine, Turbine, and Power Transmission Equipment Manufacturing (3336)

SIC

Switchgear & Switchboard Apparatus (3613)

akta.pro primary industry

Industrial Control Cabinets & Power Distribution (Panels, Switchgear for Automation) (IMAHAHAK)

Keywords

• Industrial transformers
• Power electronics components
• Control transformers
• Chokes and inductors
• Custom transformer manufacturing

Headquarters

HQ city

Hornstein

HQ country

Austria

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Operations, Marketing or Sales, Technology or R&D, Infrastructure

Revenue model

1. Standard Transformers and Power Supplies: Manufacture and sale of standard single-phase and three-phase transformers (STI, STN, STZ, STA, STEZ, STENE, DTI, DTZ, DT, DTSP, DTF, DTFSP, DTU, DTUSP, D4TB, D4TF, DA, DACB, DANF), power supplies (GD, GW), chokes (DDK, DEG, DEK), and additional equipment (EEB/DEB inrush current limiters, W/TA/ZA screen windings, STR current increase, IP23 steel protective housings, C4/ZW/DZW spring clamp terminals). Revenue is generated through one-time product sales with pricing based on a base price plus a copper surcharge.
2. Custom Specialty Transformers and Chokes: Design and manufacture of customer-specific transformers, chokes, and power supplies for specialized industrial applications. Custom products target demanding requirements in drive technology, renewable energy, mobility, and industrial sectors. Pricing is quote-based, reflecting the high degree of customization.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels3 records

Core offering

Trafomodern manufactures and sells transformers, chokes, and power supplies for industrial applications. The portfolio covers single-phase and three-phase control, isolating, safety, matching, and autotransformers, plus chokes and power supplies. Production ranges from single units to serial runs, with strong emphasis on customer-specific custom designs for demanding environments such as wind turbines, railways, and ships.

Product overview

Trafomodern is Austria's leading specialist for design and production in power electronics, manufacturing a comprehensive portfolio of transformers, chokes, and power supplies. The core product range includes single-phase transformers (STI, STN, STZ, ET/ETF, ETSP/ETFSP, UTI, STA, STEZ, STENE, TT series) and three-phase transformers (DTI, DTZ, DT, DTSP, DTF, DTFSP, DTU, D4TB/D4TF, DA/DACB/DANF, DDK, DSB series), covering control transformers, isolating transformers, safety transformers, matching transformers, autotransformers, and multi-winding transformers. The product range also includes chokes (DEG, DEK, DDK series) and power supplies (GD, GW series). Additional equipment and accessories (EEB/DEB inrush current limiters, screening windings, tropical protection, IP23 housings, spring terminals) complement the offering. The company specializes in both standard products for stock and highly customized solutions for specialized industrial applications including drive technology, renewable energies, mobility, and general industry, with custom capabilities including medium voltage transformers up to 12kV and weights up to 2400kg. The company prices its products with a base price plus a copper surcharge linked to the Wieland copper commodity quotation.

Differentiator

Problem solved

Functional benefit

Products and services

• STI Single-Phase Control/Isolating/Safety Transformers Single-phase control, isolating and safety transformers available with preferred rated voltages and customizable voltage configurations for industrial control applications.
• STN Single-Phase Control Transformers Single-phase control transformers for use in control circuits per VDE 0113 and IEC/EN 60204, available with selectable primary voltages (100-690V) and various secondary voltages.
• STZ Single-Phase Control/Isolating/Safety Transformers Single-phase control, isolating and safety transformers with insulation class B (up to STZ5.3) and F (from STZ5.3), suitable for control circuits, PELV and FELV circuits, with UL/CSA certification.
• ET/ETF Single-Phase Matching Transformers Single-phase matching transformers per IEC/EN 61558-2-1 and EN 60076-1 for voltage adaptation, available with screening windings and enhanced climate resistance options.
• ETSP/ETFSP Single-Phase Autotransformers Single-phase autotransformers for applications not requiring galvanic isolation between input and output circuits, with reduced size compared to transformers with separate windings.
• UTI Single-Phase Multi-Winding Transformers Single-phase multi-winding transformers providing multiple output voltages from a single primary winding.
• STA Single-Phase Control/Isolating/Safety Transformers Single-phase control, isolating and safety transformers for industrial control applications.
• STEZ Single-Phase Control/Isolating/Safety Transformers Single-phase control, isolating and safety transformers with enhanced specifications for demanding applications.
• STENE Single-Phase Control Transformers Single-phase control transformers designed for industrial control circuit applications.
• TT Portable Transformers Portable single-phase transformers for flexible on-site voltage adaptation needs.
• DTI Three-Phase Control/Isolating/Safety Transformers Three-phase control, isolating and safety transformers for industrial three-phase applications, certified to relevant IEC/EN standards.
• DTZ Three-Phase Control/Isolating/Safety Transformers Three-phase control, isolating and safety transformers with enhanced specifications for three-phase industrial applications.
• DT Three-Phase Matching Transformers Three-phase matching transformers for voltage adaptation in three-phase systems.
• DTSP/DTFSP Three-Phase Autotransformers Three-phase autotransformers in DTSP and DTFSP series for three-phase applications without requirement for galvanic isolation, offering compact voltage conversion.
• DTF/DTFSP/DTU/D4TB/D4TF Three-Phase Transformers General-purpose three-phase transformers across DTF, DTFSP, DTU, D4TB and D4TF configurations for industrial applications.
• DA/DACB/DANF Ballast Transformers Ballast transformers (DA, DACB, DANF series) for voltage adaptation in specialized industrial applications.
• DDK Three-Phase Chokes Three-phase chokes (DDK series) for current limiting and power quality improvement in three-phase systems.
• DSB Neutral Point Formers Neutral point formers (DSB series) for creating neutral points in three-phase systems.
• GD/GW Industrial Power Supplies Power supply units (GD and GW series) for providing stable electrical power to industrial equipment.
• DEG/DEK Industrial Chokes Chokes (DEG and DEK series) for current limiting and electromagnetic compatibility applications in industrial power quality and current control.
• Custom Special Designs (Spezialanfertigungen) Customer-specific transformers, chokes, and power supplies for specialized applications including medium voltage (up to 12kV), high temperature environments, moisture protection, compact designs, and weights up to 2400 kg. Examples include smoothing chokes for DC link circuits, converter output chokes, cast resin series circuit transformers, and rotor chokes for wind turbines.

Quantifiable outcome

• Error rate in final inspection below 0.2%
• +1 more outcomes

Named customers3 records

Segments4 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Partnerships

Four partnerships are on record, tiered minor.

• Benedict Swiss AGminorChannel Partner/ Reseller/ DistributorPartner logo displayed on Trafomodern website. Nature of partnership appears to be commercial distribution or channel relationship in the Swiss market.
• RoutecominorChannel Partner/ Reseller/ DistributorPartner logo displayed on Trafomodern website. Routeco is a distributor of automation and motion control products. Partnership appears to involve distribution of Trafomodern products.
• SONEPAR ÖsterreichminorChannel Partner/ Reseller/ DistributorSONEPAR is a major electrical wholesale/distribution group. Partner logo displayed on Trafomodern website, suggesting a distribution partnership for Trafomodern products in the Austrian market.
• Unternehmen für FamilienminorOthersInitiative recognizing companies with family-friendly HR policies. Trafomodern is a member and displays the logo, indicating commitment to family-friendly workplace practices.

Scale indicators4 records

Recent moves6 records

Expansion highlights4 records

Emerging players

• HAHN Group (HAHN Automation / HAHN Transformer): German industrial automation group with adjacent transformer and magnetics capabilities. Comparable in mid-market industrial automation focus and European customer base.
• Weidmüller: German provider of electrical connectivity, power supplies, and industrial electronics with adjacent offerings to Trafomodern's power supply products. Comparable in DACH industrial customer focus and custom-engineering orientation.

Broad incumbents

• ABB: Global power and automation incumbent offering transformers, switchgear, and power distribution systems across industrial, utility, and renewable segments. Much larger scale and broader portfolio, but overlaps with Trafomodern's industrial transformer and renewable energy applications.
• Schneider Electric: Global energy management and automation incumbent offering transformers, power supplies, and industrial control equipment. Overlaps with Trafomodern in industrial power distribution and renewable energy applications, though at much greater scale and through a broader portfolio.
• Siemens: Global broad-line industrial conglomerate with a transformer manufacturing portfolio (including for wind, drive technology, and mobility applications). A larger incumbent serving overlapping end markets but with a much wider product range than Trafomodern.

Direct peers

• Jefferson Electric: US-based manufacturer of dry-type transformers, chokes, and related magnetics for industrial and commercial markets. Comparable in product scope and focus on custom-engineered solutions, though operating primarily in North America.
• Hammond Power Solutions: Canadian designer and manufacturer of custom-engineered transformers, chokes, and magnetic products for industrial and renewable energy markets. Comparable in product breadth, custom-engineering approach, and multi-sector customer mix including wind and industrial OEMs.
• RITZ Instrument Transformers: Specialty manufacturer of instrument transformers and power transformers for medium- and high-voltage applications. Comparable in custom-engineered, niche specialty positioning serving industrial and renewable energy customers.
• EREA Transformers: Belgian manufacturer of dry-type transformers, chokes, and power supplies. Similar product portfolio, European mid-market industrial customer base, and focus on custom-engineered solutions make it a direct peer to Trafomodern.
• Block Transformatoren-Elektronik GmbH: German-based manufacturer of transformers, chokes, and power supplies for industrial and renewable energy applications. Closely comparable to Trafomodern in product scope, target customer base, and specialty custom-engineering orientation across drive technology and energy sectors.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/trafomodern-transformatorengesellschaft-m-b-h

Compliance8 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles12 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about trafomodern Transformantengesellschaft