BLOCK USA, Inc. will be closed on Monday, September 7, 2026.

BLOCK – perfecting power BLOCK is a leading manufacturer of transformers, power supplies, electronic circuit breakers, reactors and EMI filters. Our products and solutions ensure perfect voltage for systems and plants across all industries such as mechanical engineering, drive, railway or solar technology and many more. Offering over 2,500 standard products as well as a wide range of customized solutions, our product portfolio is always a reliable choice for our customers throughout the world. BLOCK encompasses 1,000 employees, 4 production sites, and 38 sites worldwide. All our products are developed and produced in-house, from the research and development phase to production and quality assurance, right through to certification. At our own test lab, we perform tests relating to electromagnetic compatibility (EMC) and device safety, as well as simulating environmental influences. We are consistently evolving and we invest heavily in advanced research projects and development work. For over 80 years, BLOCK has been shaping the economic landscape through progressive advancements in power. Thinking nearly a century ahead and continuously developing innovative technologies for the future remains our ongoing commitment.