HXGN26-12(24) SF6 Ring Main Unit
The HXGN26-12(24) SF6 ring main unit is a 12 kV (24 kV) ring main unit designed and developed in-house by Tian’an Electric, incorporating advanced foreign technologies while meeting China’s power supply requirements, and utilizing SF6 gas for insulation and arc extinction.
Category:
Medium-Voltage Switchgear
Keywords:
HXGN26-12(24) SF6 Ring Main Unit
The HXGN26-12(24) SF6 ring main unit is a 12 kV (24 kV) ring main unit designed and developed in-house by Tian’an Electric after assimilating advanced foreign technologies and aligning them with China’s power supply requirements, featuring SF6 gas insulation and arc extinction.
The product’s performance specifications comply with the IEC 298 standard for “AC Metal-Enclosed Switchgear” and the GB 3906 standard for “3–35 kV AC Metal-Enclosed Switchgear,” and it meets the nationally mandated requirements for reliable anti-misoperation functionality, with a protection rating of IP2X. All live components are enclosed within a sealed housing, providing protection against moisture, pollution, corrosive gases and vapors, dust, and small animals, making it an ideal electrical device for urban power grid renovation and construction projects.
Miniaturization
Lightweight
Simple operation and light operating force
Safe and reliable to use, easy to maintain.
Serial Number | Project | Unit | Technical Specifications | |
1 | Rated voltage | kilovolt | 12 (24) | |
2 | Rated frequency | Hertz | 50 | |
3 | Rated current of the main busbar | A | 630 | |
4 | Rated short-time withstand current of the main circuit and grounding circuit | kA/s | February 25 | |
5 | Rated peak withstand current of the main circuit and grounding circuit | kA | 63 | |
6 | Rated short-circuit making current for the main circuit and grounding circuit | kA | 63 | |
7 | Number of full-capacity breaking operations for load switches | next | 100 | |
8 | Fuse breaking current | kA | 31.5, 40 | |
9 | Mechanical life | next | 10000 | |
10 | 1-minute power-frequency withstand voltage (RMS) | Phase-to-phase, phase-to-ground | kilovolt | 42 |
Isolation fracture | kilovolt | 48 | ||
11 | Lightning Impulse Withstand Voltage (Peak) | Phase-to-phase, phase-to-ground | kilovolt | 75 |
Isolation fracture | kilovolt | 85 | ||
12 | 1-minute power-frequency withstand voltage of the secondary circuit | kilovolt | 2 | |
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Phone: +86-0574-87916011 (International)
E-mail: export@tianandl.com
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