| Certification: | CCC, ISO9001 |
|---|---|
| Shell Material: | Stainless Steel |
| Voltage Level: | Medium Voltage |
| Installation: | Fixed |
| Structure: | Floorstanding |
| Current: | AC |
| Samples: |
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Audited Supplier HCM-12 (24) SF6 Fully Insulated Ring Main Unit
Introducing the HCM-12 (24) SF6 fully insulated, fully enclosed ring main unit (RMU) from Guang Dong Hao Cheng Electric Co., Ltd. This compact medium voltage series 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 can be expanded on both the left and right sides, offering flexibility in configuration. The explosion-proof channel at the bottom of the gas tank includes an explosion-proof diaphragm to effectively prevent damage from high-pressure gas to individuals, cables, and other switchgear within 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 | ||||
Introducing our innovative outdoor substation solutions:
Scope of Application: Our products are widely used in industrial and civil ring networks, terminal power supply, power plants, power transmission, substations, switching stations, commercial areas, high-rise buildings, industrial and mining enterprises, airports, expressways, subways, and tunnels. They are especially suitable for underground, plateau, frozen soil, coastal, humid, and other challenging environments.
Company Profile: Guangdong Haocheng Electric Co., Ltd is a leading enterprise in the electrical equipment industry in Guangdong province. With a registered capital of CNY 50.01 million, we specialize in the R&D, production, and sales of intelligent HV/LV power plants, power transformers, and distribution boxes. Our company has strong marketing and technology development capabilities, with certifications including ISO9001, ISO14001, ISO45001, and national "3C" certification. We prioritize the R&D of independent intellectual property rights and have completed over 20 innovation patents. In 2019, we were recognized as a "hi-tech enterprise" by the science and technology, finance, and tax 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 are integral to various national key projects, covering a wide range of applications in smart power grids.
Customer Case
Manufacturer of high-quality HV/LV switchgear, dry and oil type transformers, substation equipment, and more.
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Audited Supplier 
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