HXGN-12 box type fixed AC metal enclosed ring network switchgear
Product Description
The HXGN port -12 box type fixed metal enclosed switchgear (referred to as ring main unit) has a rated voltage of 12KV. A complete set of AC high-voltage electrical equipment with a rated frequency of 50HZ is mainly used for three-phase AC loop networks, terminal distribution networks, and industrial electrical equipment. It plays a role in receiving and distributing electrical energy, and is also suitable for installation in box substations.
Structural characteristics
>Adopting a fully assembled structure, it is lightweight and beautiful, and can be installed in any combination, making it easy for unlimited expansion and extension.
>It can be equipped with both FN12-10 type compressed air load switch and combination appliance, as well as ZFN25-12 type vacuum load switch and combination appliance, and the installation dimensions are completely consistent. Small size, dimensionless repair, three-phase linkage structure, with obvious isolation fractures.
>Equipped with FN12-10 load switch and combination electrical appliance, its installation method is flexible, and it can be installed on the left and right sides, front, and back.
>It can be operated manually and electrically, and has remote control function.
>Equipped with complete and reliable mechanical linkage and interlocking devices, fully achieving the "five prevention" function.
>Using a linked protective insulated valve to shield live contacts and ensure personal safety
>Adopting positive operation and maintenance, reliable wall installation.
>The front door is equipped with an observation window, which can clearly observe the working condition of the components inside the cabinet.
>Complies with GB3906 standard
Environmental conditions for use
>Environmental temperature: The temperature of the surrounding medium shall not be higher than+40C and not lower than -25C;
>Altitude: 1000m and below;
>Relative humidity: The daily average value shall not exceed 95%, and the monthly average value shall not exceed 90%;
>Places without fire, explosion hazards, and severe vibrations;
>The surrounding air is free from obvious pollution such as corrosive and combustible gases, water vapor, and conductive dust:
Technical parameter
| Item | Unit | Technical Parameters | |
|---|---|---|---|
| FN12-10 | FN25-12 | ||
| Rated Voltage | kV | 12 | |
| 1min Power Frequency Withstand Voltage | kV | Phase-to-ground & Phase-to-phase: 42; Isolation Break: 48 | |
| Lightning Impulse Withstand Voltage | kV | Phase-to-ground & Phase-to-phase: 75; Isolation Break: 85 | |
| Rated Frequency | Hz | 50 | |
| Main Bus Rated Current | A | 630 | |
| Rated Current (Load Switch) | A | 630 | |
| Electrical Life at Rated Current (Load Switch) | times | Not less than 100 | |
| Breaking No-load Transformer Capacity (Load Switch) | kV/A | 1250 | |
| Rated Thermal Stable Current (Load Switch) | kA/s | 20/4; Earthing Switch: 20/2 | |
| Rated Dynamic Stable Current (Peak) (Load Switch) | kA | 50 | |
| Rated Short-circuit Making Current (Peak) (Load Switch) | kA | 50 | |
| Fuse Rated Current (Combined Appliance) | A | 100 | |
| Rated Transfer Current (Combined Appliance) | A | 1500 | 2000 |
| Rated Short-circuit Breaking Current (Combined Appliance) | kA | 31.5 | |
| Matching Fuse Model (Combined Appliance) | - | S□LAJ-12 (XRNT□-10) | |
| Mechanical Life | times | 2000 | 10000 |
| Auxiliary Circuit 1min Power Frequency Withstand Voltage | kV | 2 | |
| Electric Operating Mechanism Working Voltage | V | AC/DC 220; 110 | |
| Protection Class | - | IP20 | |
| Overall Dimensions (Width×Depth×Height) | mm | 650(850)×900×2000(2200) | |
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