• Medium Voltage Instrument Transformers
• Low Voltage Instrument Transformers
• Accessories

TWB SA designs, develops and manufactures, exclusively, dry–type low and medium voltage instrument transformers up to 36 kV and 3000 A, current and voltage,for indoor and outdoor applications.

Our transformers are installed and have proven their value since 1971, operating under harsh conditions all over the world, from Canada to Australia and from Laos to Saudi Arabia. Our long list of customers includes Electrical companies, Electrical cabinets’ manufacturers and the most well-known manufacturers of instrument transformers in Europe.

All our products are type test certified according to IEC 61869 and designed to meet all International standards, such as IEC, DIN, ANSI, BS, AS, VDE etc.