完全絶縁型金属製筐体入りガス充填式リングメイン開閉装置

HXGN□-12
HXGN □ -12 fully insulated metal enclosed gas filled ring network switchgear is often called gas filled ring network cabinet. It is a sealed gas box filled with SF6 or dry gas slightly higher than atmospheric pressure, which can effectively prevent pollution, moisture, external substances and other harmful effects, improve the reliability of insulation, and have good anti-aging and anti-corrosion performance. Connected to the outside world through sleeves and cable terminals, it can be reliably used under harsh conditions.

Product Advantages
High voltage components are fully sealed, not affected by external environmental conditions, with good anti-aging and anti-corrosion performance, and strong environmental adaptability.
Low inflation pressure and good air tightness.
One time equipment maintenance free, reducing maintenance work to a small extent and lowering operation and maintenance costs.
Compact structure, saving space.
Modular design, easy on-site installation.
Reliable safety assurance, fully insulated high-voltage components, and shell that can be safely contacted, providing maximum safety protection.
Application Scenarios
This product is suitable for distribution systems with three-phase AC 50Hz and rated voltage of 12kV, especially for receiving and distributing electrical energy in new energy box transformers such as photovoltaic and wind power, small secondary distribution stations, switch stations, industrial and mining enterprises, urban residential areas, airports, railways, tunnels, and high-rise buildings.
Technical Specifications

Parameter name	Unit	Parameter value
Rated Voltage	kV	12
Rated frequency	Hz	50
Rated insulation level -1-minute power frequency withstand voltage (effective value) – phase to ground	kV	42
Rated insulation level -1-minute power frequency withstand voltage (effective value) – fracture surface	kV	48
Rated insulation level – Lightning impulse withstand voltage (peak) – Lightning impulse withstand voltage (peak) – To ground, phase to phase	kV	75
Rated insulation level – lightning impulse withstand voltage (peak) – fracture surface	kV	85
Rated current	A	630/1250
Rated short-circuit breaking current	KA	20/25
Protection level	–	IP67

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