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TSTYNICE HXGN-12 Series High Voltage Switchgears

The HXGN-12 series represents our next-generation 12kV metal-enclosed SF6 insulated ring main unit, designed for reliable power distribution in urban and industrial networks. Combining compact design with superior performance, it features:

Technical Specifications

Rated Voltage: 12kV

Rated Current: 630A

Short Circuit Withstand: 20kA/4s SF6

Gas Pressure: 0.04MPa (20°C)

For detailed specifications, quotations, or project consultations, please contact us:
Email: sales@tstytransformer.com
WhatsApp: +86-18001856258
Our technical team is ready to assist you — wherever your business operates.

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Product Advantage

Technical Parameters

Factory Show

FAQ

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Key Features & Benefits

1.Equipped with ±0.1mm high-precision industrial robots, achieving millimeter-level control for switchgear bending and assembly. Standardized component rate ≥99%, dimensional compliance rate exceeds 99.5%.

2.Cabinets utilize 316L stainless steel substrate and nano-ceramic coating, and assembled with high-strength bolts, nuts, and rivets.

3.Compatible with circuit breakers from various brands, supporting free selection of components such as ABB/Siemens. Examples include domestic ZN85-40.5 (3AV3) vacuum circuit breakers and Schneider’s HVX series to meet diverse user requirements.

4.Strong design capability offering customized services (appearance color schemes, design customization). Adaptable to complex environments (acid/alkali, low/high temperatures, extreme cold, etc.), with customization experience for 80+ countries.

5.German-imported spraying system enhances surface finishing: Electrostatic spray guns and water-based eco-friendly coatings achieve ≤5μm coating uniformity error, 80% VOC reduction, "zero-defect appearance," and green manufacturing. Spray defect rate <0.3%.

6.Main busbar current rating: 4,000A; short-circuit breaking current: 50kA; mechanical lifespan: 20,000 cycles.

Application

Urban Power Distribution Systems
Perfect for space-constrained substations in densely populated cities, ensuring uninterrupted and efficient grid operation.
Industrial Facilities
Widely used in oil & gas, mining, metallurgy, and manufacturing plants, where high reliability and safety under extreme conditions are essential.
Renewable Energy Projects
Seamlessly integrates with solar and wind power systems, enabling safe collection and distribution from renewable energy sources.
Commercial and Mixed-Use Complexes
Supports stable, scalable power supply for shopping malls, office buildings, and smart city infrastructure.
Transportation Infrastructure
Ideal for metro stations, airports, tunnels, and railway networks requiring robust, maintenance-free HV switchgear solutions.
Power Utilities & Substations
Ensures reliable switching and protection in 12kV distribution substations, adaptable to outdoor or indoor installations.

Item		Unit	Technical Parameter
Rated voltage		KV	12
Rated current		A	1250
Rated short-time power frequency withstand voltage(effective value)		KV	42
Rated lightning impulse withstand voltage(peak value)		KV	75
Rated short-circuit breaking current(effective value)		KA	31.5
Rated short-circuit making current(peak value)		KA	80
Rated thermal stability current(effective value)	Main circuit(4S)	KA	31.5
Rated thermal stability current(effective value)	Ground loop(4S)	KA	27.3
Rated dynamic stability current(peak value)	Main circuit	KA	80
Rated dynamic stability current(peak value)	Ground loop	KA	68.3

Spanning 250,000 in Henan, our smart factory leverages 5G automation to produce 3,000+ IEC/CE-certified substations annually. With 158 patents and 99% automation, we power projects across 80+ countries.

Q: Are you a factory or a trade company?

A: Integrated Manufacturing & Trading, OEM/ODM available.

Q: Our Advantage?

A: 30 years experience, Advanced production equipments, Stable quality, Fast delivery, Professional & good & Prompt service.Also some free parts can be provided.

Q: How long is your delivery time?

A: it is depends on your quantity,generally within 15-20 days upon receipt of the advance payment.

Q: What is your payment terms?

A : T/T, L/C,Visa Paypal ,Weatern Union for different circumstances.

Q: Do you have inspection procedure before shiping?

A: Yes,we do 100% QC inspection

Q: What certificates do you have？

A: CESGS ISOIEC StandardsGost Certificates.

Long-term strategic partnerships with DuPont, ABB, Siemens, etc.

Q:AS we knew, when we make order, some suppliers used lower material insted of high quality material products and send to us, how can i trust you?

A: we suggest clients to test the material after receiving goods. We aim to do long term business, not one times.

TSTYNICE transformers hold ISO 9001, IEC 60076, CE, GOST, SGS, and BV certifications, with 158 patents (20 inventions). Our CNAS-accredited lab ensures global compliance across 80+ markets.