With SM40 polyester insulators made from UL material - QMFZ2.E252110,Rated Uimp up to 7.4kV. The ground bar kit includes: 1x c1100 copper plate, 2x stainless steel brackets, 2x SM40 polyester standoff Insulators, 16x sets of stainless steel washer& bolts,4 Pcs M8 x 50mm 304 Stainless Steel Hex Expansion Bol.
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