GW16/17-126 type HV disconnect switch is three-pole outdoor HV electric equipment used for 110KV,50Hz HV line to switch line under no-load condition and realizes safe electric isolation for examined electric equipment. The disconnect switch has novel design, unique structure,excellent electricomechanical properties,good corrosion resistance, anti-seismic performances.GW16/17-126 type HV disconnect switch complys with standards including¡¶GB1985 AC Hign-voltage Disconnect Switch and Earth Switch ¡·and ¡¶IEC129 AC Hign-voltage Disconnect Switch and Earth Switch ¡·and requirements of relative standards with its product structure and main technical parameter reach international advance level.
Moving contact system of the product is manipulator single-arm folding type. The transmission components are sealed inside the main switch conductive tube to be not affected by external environment. Balance spring inside main switch conductive tube is used to balance gravitational torque, thus make opening and closing actions become very light and smooth. Moving contact adopts clamping structure to clamp on conductive rod of fixed contact and clamping force will be ensured by clamping spring inside the conductive tube. Using top-pressure tripping device to ensure reliable closing for disconnector which will keep good operation condition throughout under wind force, earthquake force,electric force and other external force. Main switch and earth switch are both anti-rust aluminum alloy material, all the exposed joining bolts and screw nuts are stainless steel material,fixed base and other steel units all takes DACROLON or hot-galvanized process treatment,which make the disconnector have more excellent rust resistance. The series disconnect switch completely changed all the defects in the disconnector of previous traditional models and make the disconnector to be without maintenance for years,even maintenance-free. Proved in practice that GW16,GW17series products is the successor for disconnect switch and recommended for users.
GW16 type is vertical isolation clearance and GW17 type is horizontal isolation clearance.
Main switch realizes three-step in-line operation by CJ7A electric mechanism and surpporting earth switch makes in-line operation by CSA or CSB type manual mechanism.
Remaiks: in this sample installation dimensions of manual mechanism in parentheses is for CSB manual mechanism.
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