Bernstein As a worldwide manufacturer of safety switches, sensors and enclosures, Bernstein has become renowned for its innovation, reliability and value. A wealth of technical expertise has been accumulated over many years, thereby ensuring that products are developed to achieve optimum performance with the highest possible quality. In recent times Berstein has recognised the continuing trend in the UK towards a 'one stop solution' for supply strategies. To support this change, the company has invested heavily in developing its own in-house, 'added value' manufacturing and assembly capabilities.