Product classification
ESR-40.5 (CGIS) Sulfur Hexafluoride Gas Insulated Metal Enclosed Switchgear
Sulfur hexafluoride gas-insulated metal-enclosed switchgear is used in 35kV distribution systems with a rated frequency of 50Hz. It is a cabinet-type medium-voltage gas-insulated switchgear that uses SF6 gas as the insulating medium, combining GIS technology with switchgear technology to form a complete product. This product is a three-phase AC single bus and bus section indoor complete device, mainly used in distribution systems such as power plants, substations, subways, and electrified railways, to achieve control, protection, and detection of the power supply system and loads.
- Description
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Product Overview:
Sulfur hexafluoride gas insulated metal enclosed switchgear is used in 35kV distribution systems with a rated frequency of 50Hz. It is a cabinet-type medium voltage gas insulated switchgear that uses SF6 gas as the insulating medium, combining GIS technology with switchgear technology to form a complete product. This product is a three-phase AC single bus and bus sectional indoor complete device, mainly used in distribution systems such as power plants, substations, subways, and electrified railways to achieve control, protection, and detection of the power supply system and load.
Main Technical Parameters:
Rated Voltage: 40.5kV
Rated Current: 1250A 2500A
Rated Short-Circuit Breaking Current: 25kA 31.5kA
Circuit Breaker Mechanical Life: 10,000 times
Isolating Switch Mechanical Life: 3,000 times
Grounding Switch Mechanical Life: 3,000 times
Product Features:
▪ Maintenance-free: High protection level of the gas box (IP67); ▪ Compact size: Miniaturized, saving floor space;
▪ Safe and environmentally friendly: Meets "five prevention" functions, equipped with pressure relief devices, strong insulation performance, and very low annual leakage rate (≤0.01%);
▪ Easy operation: The operating mechanism is equipped with a position indicator and mechanical interlock device, and can achieve remote control and operation by adding an electric operating device;
▪ Strong expansion capability: Can be expanded and closed freely through bus connectors and plugs;
▪ Fully insulated, fully sealed, anti-condensation, anti-pollution, suitable for high altitude areas (4000 meters);
▪ Perfect mechanical and electrical interlock, effectively avoiding misoperation;
▪ Special insulation structure effectively optimizes the surrounding electric field distribution;
▪ Uses high-strength thermoplastic recyclable materials as insulating medium to achieve environmental performance;
▪ The secondary circuit is sealed in a sealed gas box, and the shell can be safely touched;
▪ Fully sealed, fully insulated, flood-proof cable plug improves the safety performance of the product.
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