OUR PRODUCTION SITES Our products are the first choice in many countries where power supply interfacing is concerned. Well over 30 % of our deliveries are exported to destinations throughout the world

YOUR FUTURE AT BLOCK As one of the leading manufacturers of transformers , power supply , EMI filters and reactors , BLOCK is not just an exciting employer in the region. Our 700 employees at the head

MANAGEMENT-TEAM With 700 employees globally, the BLOCK management team is responsible for one of the most successful medium-sized companies selling transformers, power supplies, filters, and reactors.

SUPPLIER SELF REPORT Here, we collectively create transparency and quality. As a supplier, we share crucial information about our company and processes at this point. BLOCK values collaborative partne

TRANSFORMERS As components, transformers have a significant influence on the functionality of technical processes and are used in applications primarily to adjust the voltage level. However, their use

CONTROL TRANSFORMERS Control transformers with galvanic isolation are used for supplies of control systems with more than two consumers in accordance with EN 60204. Designed in accordance with VDE 011

TRADE FAIRS 2026 Trade fair participations are firmly embedded in our corporate strategy. Trade shows are not only platforms for showcasing products but also an opportunity to build personal relations

SOFTWARE Download our advanced BLOCK software solutions for free here. They are the perfect complement to our products, enhancing their performance in your application. Boost efficiency, increase cont

BLOCK POWER SOLUTIONS – COMPLEX IDEAS, SIMPLE SOLUTIONS With BLOCK Solutions, we are your partner for customized, all-in-one technical solutions from a single source. Thanks to our comprehensive devel

MANUALS Here you will find all manuals for our various BLOCK product series sorted alphabetically. These are your key resource for questions regarding the proper application, assembly, and integration

YOUR CONTACT IN HONG KONG & MACAO 申佳有限公司 SUNNICE SUPPLIES CO., LTD. Flat q, 12/f., Everest Industrial Centre 396 Kwun Tong Road Kowloon Hong Kong Tel.: +852 2790 3918 Website

YOUR CONTACT IN ICELAND SPENNUBREYTAR EHF Suourhella 5 221 Hafnarfjördur Island Tel.: +354 555-4745 Website