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http://www.sunesons.in/
Drawout Trolley Earthing Contact Specially designed phosphor-bronze
earthing springs are used to provided positive double earthing to the drawout trolley. The
contacts scrape against the electro-plated M.S. Vertical Bus-Bar Chamber
shrouding to provide earthing. The system ensures earthing before the
main contacts make and breaking after the main contacts break.
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