고정형 AC 가스 충전식 금속 밀폐형 배전반

XGN□-40.5
XGN □ -40.5 box type fixed AC inflatable metal enclosed switchgear is commonly referred to as an inflatable cabinet. It is a complete series of products derived from the combination of high-voltage GIS technology and conventional switchgear technology. The high-voltage electrical appliances of each functional unit are installed in a sealed metal gas box, filled with SF6 gas slightly higher than atmospheric pressure, which can be reliably used under harsh conditions and greatly reduce the size and footprint of the switchgear. Compared with conventional air insulated switchgear, the product has significant advantages in terms of economy, applicability, reliability, and miniaturization.

Product Advantages
High voltage components are fully sealed, free from 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, minimizing maintenance work and reducing operation and maintenance costs.
Compact structure, space saving, with only one-third of the appearance of conventional products.
Easy on-site installation, modular design makes components of the same specifications interchangeable, and plug-in electrical components make installation and replacement more convenient.
Reliable safety guarantee, high-voltage components are fully insulated, and the shell can be safely contacted, providing maximum safety protection. The high reliability of the components ensures the overall safety of the product.
Application Scenarios
This product can be applied to large thermal power stations, substations, converter stations and other transmission and transformation lines, suitable for three-phase AC 50Hz, 40.5kV power supply systems, to receive and distribute electrical energy, and to control and protect circuits. Can perform frequent operations or multiple short-circuit current disconnections within the working current range, suitable for reclosing operations.
Technical Specifications

Parameter name	Unit	Parameter value
Rated Voltage	kV	40.5
Rated frequency	Hz	50
Rated insulation level -1-minute power frequency withstand voltage (effective value) – phase to ground	kV	95
Rated insulation level -1-minute power frequency withstand voltage (effective value) – fracture surface	kV	118
Rated insulation level – Lightning impulse withstand voltage (peak) – Lightning impulse withstand voltage (peak) – To ground, phase to phase	kV	185
Rated insulation level – lightning impulse withstand voltage (peak) – fracture surface	kV	215
Rated current	A	1250/2500/3150
Rated short-circuit breaking current	KA	31.5/40
Protection level	–	IP67