He paused at a hand-drawn diagram of a Vertical Stop Unit (VSU). It looked like a simple stack of red rubber washers, but the manual treated it with the reverence of a holy relic. The VSU was the fail-safe, the final barrier that stopped a generator from becoming a multi-ton wrecking ball during a "shock event."
: Manufacturers like Christie & Grey and Paulstra offer rubber shock and vibration mountings specifically designed to comply with BR 3021 requirements. Professional Application Highlights