Enquiry Hotline
008618321814174
Cable Branch Box
Model: XGW-12~24kV Ring Cage(opening and closing)
Application:
XGW-12~24KV ring net cage (opening and closing station) is a new generation of ring net switch equipment with modularization, multi-function, high reliability, compact structure and maintenance-free. It is suitable for ring net power supply or double radiation power supply of 10~35KV power supply lines, and can also be used for terminal power supply, which can control and protect electric energy in the power supply area. Widely used in urban ring network distribution with high power supply load density and cable-fed network, large factories, residential quarters and so on.
XGW-12~24KV ring cage (opening and closing station) is mainly composed of SF6 gas insulated and closed compact switch gear (C-GIS) and metal (or nonmetal) outer box. All high-voltage live parts are enclosed in SF6 gas insulated stainless steel box, which can be freely combined according to the arrangement of incoming line unit, outgoing line unit, metering unit, contact unit and PT (power supply) unit according to user's needs, and can be loaded into power distribution automation system.
In the ring network cabinet, only FTU/RTU and communication device are needed to communicate with the control center of the distribution automation system, and the voltage and current of the line can be varied.
Measure the electric quantity and monitor the working state of each switch.
Features:
● Ambient temperature: +45℃~-35℃, maximum temperature difference ≤25℃;
● Altitude: ≤4000m;
● Humidity: the daily average relative humidity is less than 95%; Daily average value of steam pressure < 2.2kPa; Average monthly relative humidity < 90%; Average monthly steam pressure < 1.8kPa;
● Seismic capacity: the seismic intensity shall not exceed 8 degrees;
● The surrounding air should be free from obvious pollution such as corrosive or combustible gas and water vapor;
● When the outdoor high pressure ring network cabinet is used beyond the normal use conditions, it needs to be negotiated with the manufacturer and reached an agreement.
Specification:
Item | Unit | Load Switch Unit | Combined Electrical Apparatus Unit | Circuit Breaker Unit | |||
Rated Voltage | kV | 12/24 | |||||
Rated Frequency | Hz | 50/60 | |||||
Main Bus Rated Current | A | 630, 1250 | |||||
Rated Current | A | 630 | 125 | 630, 1250 | |||
Rated Short-Circuit Breaking Current | kA/Cycles | 31.5 | 20, 25/30 | ||||
Rated Short-Circuit Making Current (Peak) | kA | 50 | 80 | 50, 63 | |||
Rated Short-Time Withstand Current | Main Circuit 4s / Grounding Circuit 4s | kA | 25 | 20, 25 | |||
Grounding Connection Circuit 4s | kA | 17.4 | 17.4, 21.7 | ||||
Rated Peak Withstand Current | Main Circuit / Grounding Circuit | kA | 50 | 50, 63 | |||
Grounding Connection Circuit | kA | 43.5 | 43.5, 54.6 | ||||
Rated Transfer Current | A | 1750 (12kV) / 1400 (24kV) | |||||
Breaking and Making Capacity | E3 Class | E2 Class | |||||
Rated Insulation Level | Phase-to-Ground, Phase-to-Phase | kV | 42 (12kV) / 65 (24kV) | ||||
1min Power Frequency Withstand Voltage | Vacuum Break, Isolation Break | kV | 48 (12kV) / 79 (24kV) | ||||
Phase-to-Ground, Phase-to-Phase | kV | 75 (12kV) / 125 (24kV) | |||||
Vacuum Break, Isolation Break | kV | 85 (12kV) / 145 (24kV) | |||||
SF6 Gas Rated Pressure (20°C relative value) | Design Level and Rated Filling Level | MPa | 0.04 | ||||
Minimum Functional Level | 0.02 | ||||||
Pressure Relief Device Release Pressure | 0.14 | ||||||
Protection Level | Sealed Gas Compartment | IP67 | |||||
Switchgear Enclosure | IP4X | ||||||
Sealing Performance | Annual Leakage Rate ≤ 0.01% | ||||||
Shanghai Legend Trading Co., Ltd.
For purchase and information, please call 008618321814174
Address: No. 133, Dongzheng Village, Lingang Free Trade Zone, Pudong, Shanghai, China
