BLOCK is a leading manufacturer of transformers, power supplies, circuit breakers, reactors and EMI filters and has a reputation for setting standards worldwide. Whatever the application – including mechanical engineering, drive or rail technology, and regenerative energy – our products and solutions deliver outstanding power and power quality across all areas of industry and the wider economy.


In about 85 years of company history, the company has expanded to become one of the world's leading manufacturers.


We currently have over 
1000 employees worldwide, and the trend is rising.


We develop more than 5000 products every year, 76 % of which are special solutions.

Almost a century of new solutions, global connections, and innovative technologies. All of this keeps us moving, and drives us forward. Thinking ahead, developing ahead, acting ahead and all that out of conviction – for ideas of the future and the perfect power. With ideas that save resources, that make our customers stronger, and that use energies more efficiently. This is BLOCK – always looking to the future, with a focus on customer-oriented development and an honest business approach.