HANNOVER MESSE 2018, 23 - 27 April
Logo TWB


Instrument Transformers

Logo TWB
Exhibition stand
Hall 12, Stand C50

Company Data


Agiou Georgiou Str. 38
15123 Athens
Send E-mail
Fax: +30 22 620 56015


Mr. Dipl. -Ing. Nikos Ioannou
General Manager
Send E-mail
Fax: +30 22620 56015


Type of company

Year founded

Company profile

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 application.
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.
All our products are type test certified according to IEC 61869 and designed to meet all International standards such IEC, DIN, ANSI, BS, AS, VDE etc.
Our production line is fully automated, each manufacturing process is electronically controlled and certified in compliance with EN ISO 9001 and EN ISO 14001.
Our company is constantly investing in new technologies and the improvement of our production systems, in order to continuously increase our production capacity, improve our production lead time and achieve even more competitive product prices.


Low Voltage Instrument Transformers

TWB SA manufactures all types of low voltage instrument transformers, current and voltage, 0.75kV and 1 kV, for indoor as well as for outdoor applications. Indicative types of the low voltage instrument transformers that we manufacture are Window Type Current Transformers, Wound Type Current Transformers more

Medium Voltage Instrument Transformers

The indoor and outdoor medium voltage instrument transformers that TWB SA manufactures are magnetic voltage transformers with cast-resin insulation. The insulating medium is outdoor-proof cycloaliphatic cast resin, which has proven its high quality in both laboratory tests since 1961 and in installed more

Stored items


Server communication error: Item could not be saved.