Certification: | CCC, ISO9001 |
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Shell Material: | Stainless Steel |
Voltage Level: | Medium Voltage |
Installation: | Fixed |
Structure: | Floorstanding |
Current: | AC |
Samples: |
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HCM-40.5 SF6 Fully Insulated Ring Main Unit
Introducing the HCM-40.5 SF6 fully insulated, fully enclosed, common box compact medium voltage series ring main unit (RMU) by Guang Dong Hao Cheng Electric Co., Ltd. This RMU features switchgear and main bus sealed in a shell filled with SF6 gas, providing complete insulation, sealing, expandability, and ease of combination. Each SF6 insulated gas box is customizable for expansion on both left and right sides. The explosion-proof channel at the bottom of the gas tank includes an explosion-proof diaphragm to effectively prevent high-pressure gas damage to individuals, cables, and other switchgear in the substation.
Item | Unit | Scheme C LBS unit | Scheme F LBS-fuse combination unit | Scheme V circuit breaker unit | Scheme V Disconnecting/E/S switch | |
Rated voltage | kV | 12(24) | ||||
Rated insulation level | 1 min power frequency withstand voltage | kV | 42/48(65/79) | |||
Lightning impulse withstand voltage | 75/85(125/145) | |||||
Rated frequency | Hz | 50 | ||||
Rated current | A | 630 | 125 | 630 | 630 | |
Rated short ciecuit breaking current | kA | 20/25 | 20/25 | |||
Rated short time withstand current | kA | 20 | 20/25 | 20/25 | 20/25 | |
Rated short circut making current | kA | 63 | 63 | |||
Rated peak withstand current | kA | 50 | 50 | 63 | 80 | |
Rated off-phase ground fault breaking current | kA | 17.3 | 21.7 | 21.7 | 17.3 | |
Rated short circuit duration | S | 4 | ||||
Rated operating sequence | O-0.3S-CO-180S-CO | |||||
Mechanical endurance | times | 10000 |
Guang Dong Hao Cheng Electric Co., Ltd
Introducing our innovative outdoor modular substation units designed to meet the needs of various distribution switching stations, prefabricated power substations, and cable branch boxes. Our products offer:
Scope of Application: Our products are widely used in industrial and civil ring networks, terminal power supply, power plants, substations, high-rise buildings, airports, expressways, subways, and tunnels. They are especially suitable for challenging environments such as underground, plateau, frozen soil, coastal, and humid areas.
Company Profile: Guangdong Haocheng Electric Co., Ltd is a leading enterprise in the electrical equipment industry in Guangdong province. We specialize in the R&D, production, and sales of intelligent HV/LV power plants, power transformers, and distribution boxes. With a strong focus on innovation, we have obtained various certifications and patents to ensure the quality and reliability of our products.
In 2019, our company was recognized as a "hi-tech enterprise" by the science and technology bureau of Guangdong province. In 2020, our R&D department was acknowledged as the "Intelligent Distribution Equipment Engineering Research Center of Nanhai District, Foshan." Our products have been widely used in national key projects, showcasing their effectiveness and reliability in various applications.
Customer Case
Manufacturer of HV/LV switchgear, dry and oil type transformers.
To request a customized transformer, provide technical drawings and specifications. Contact us for accurate pricing via Made-in-China or our official website.
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