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YB-12/0.4 Type Prefabricated Substation
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Model Description

Normal Operating Conditions
Ambient Temperature: Maximum +40℃, Minimum -15℃.
Altitude not exceeding 1000m.
Relative Humidity: Daily average not exceeding 95%, monthly average not exceeding 90%. During periods of high humidity with rapid temperature drops, condensation may occur, requiring measures such as heating.
Seismic intensity not exceeding level 8.
Surrounding air should be free of corrosive, flammable, or explosive gases.
No severe pollution or intense vibration environments; installation tilt not exceeding 5°.
(If usage conditions exceed the above, the allowable range and technical measures shall be determined through consultation between the user and the manufacturer.)
Product Features
The YB-12/0.4 type prefabricated substation integrates high-voltage input, transformer step-down, low-voltage distribution, and reactive power compensation functions organically. It features strong completeness, small size, minimal footprint, ability to reach load centers, improved power supply quality, reduced losses, short power delivery cycles, strong environmental adaptability, convenient installation and use, and safe and reliable operation. The box transformer can be equipped with a protection monitoring unit and communicates with the distribution network master station using various communication media.
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