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Arc-Resistant Switchgear

Posted on April 26, 2013

Eaton has developed an arc-resistant, metal-enclosed load interrupter switchgear system designed to providing centralized control and protection for medium-voltage power distribution equipment. The ArcGard load-interrupter switchgear is engineered to enhance operator safety during maintenance operations for industrial, commercial and utility customers. Eaton said it is the first medium-voltage load interrupter switchgear with arc-resistant enclosures that can be shipped in a single structure – reducing customer costs and equipment space.  

ArcGard metal-enclosed switchgear is designed to protect personnel from dangerous arcing faults by controlling, collecting, and channeling the decomposition of the products from internal arcing faults to a an area away from the perimeter of the gear. Eaton’s arc-resistant load interrupter switchgear incorporates arc chute and flicker blade technology, which means arcing is minimized between the main blades and stationary contacts for increased equipment life, Eaton said. 

The metal-enclosed switchgear is an Eaton Green Leaf Label solution and is engineered to meet standards for sustainability and efficiency. Eaton switchgear solutions incorporate Eaton’s vacuum interrupters and avoid the use of Sulfur Hexafluoride (SF6) technology, which Eaton said contributes to the greenhouse effect. ArcGard switchgear meets American National Standards Institute (ANSI) Institute of Electrical and Electronics Engineers (IEEE) and C37.20.7 arc-resistant standards for personnel protection.  Additionally, The ArcGard switchgear is seismically tested to meet International Building Code (IBC) 2006 and California Building Code (CBC) 2007 standards.