Product classification
ESR-12 (CGIS) Sulfur Hexafluoride Gas Insulated Metal Enclosed Switchgear
Sulfur hexafluoride gas-insulated metal-enclosed switchgear is used in 10kV distribution systems with a rated frequency of 50Hz. It is a cabinet-type medium-voltage gas-insulated switchgear that extends air-insulated switchgear into the GIS technology field with features such as modularity, multifunctional combinations, high reliability, and compact structure. It 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 indoor complete device with a single bus and bus segmentation, mainly used in distribution systems of power plants, substations, high-rise buildings, and industrial enterprises 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 10kV distribution systems with a rated frequency of 50Hz. It is a cabinet-type medium voltage gas insulated switchgear that extends air-insulated switchgear into the GIS technology field with features such as modularization, multifunctional combination, high reliability, and compact structure. It 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 power plants, substations, high-rise buildings, and industrial enterprises for controlling, protecting, and monitoring the power supply system and loads.
Main Technical Parameters:
Rated Voltage: 12kV
Rated Current: 1250A 2500A
Rated Short-Circuit Breaking Current: 25kA 31.5kA 40kA
Circuit Breaker Mechanical Life: 30000 times
Isolating Switch Mechanical Life: 3000 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;
▪ Long mechanical life: Circuit breaker 30000 times, grounding switch 3000 times;
▪ 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, improving insulation performance;
▪ Primary circuit is sealed in a sealed gas box, the shell can be safely touched;
▪ Large cable installation space, horizontal arrangement of cable plugs, convenient cable installation.
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