April 27, 2025
With a tight project schedule, the manufacturer delivered on time, and on-site technical personnel provided guidance throughout the entire installation and commissioning process; the collaboration was highly efficient and hassle-free.
The SC(B)12 type epoxy resin cast transformer from Lijie Electric delivers enterprise-grade performance with proven reliability. Our transformers feature capacity ranging from 30kVA to 3,150kVA at 10kV voltage rating, designed for three-phase 50Hz applications. With Class F insulation (155℃), partial discharge levels ≤10pC, and flexible protection ratings (IP20/IP23/IP30), these units excel in residential upgrades, industrial facilities, and commercial buildings. Backed by our 500,000㎡ manufacturing bases and 160+ engineers, we've achieved annual sales exceeding 5 billion RMB while maintaining international certifications including ISO 9001:2015, CE, UL, and IEC standards.

You require transformers that work dependably day after day. Our cast gum transformers bring you peace of intelligence through progressed plan and quality manufacturing.
The epoxy gum epitome gives fabulous dampness resistance and natural assurance. You won't stress almost clean, mugginess, or chemical introduction influencing execution. These transformers work securely in unforgiving conditions where oil-immersed units struggle.
Air cooling (AN/AF strategies) dispenses with fire dangers related with oil-filled transformers. Your office remains more secure, and you maintain a strategic distance from complex natural controls. Upkeep gets to be less complex too—no oil testing or spill observing required.
Our fabricating prepare guarantees reliable quality. Each transformer experiences thorough testing at the National Transformer Quality Supervision and Assessment Center. We confirm execution some time recently shipment, so you get units prepared for quick establishment.
| Parameter | Specification |
|---|---|
| Voltage Rating | 10kV |
| Capacity Range | 30kVA~3,150kVA |
| Phase/Frequency | Three-phase, 50Hz |
| Connection Group | Dyn |
| Voltage Regulation | No-excitation ±2×2.5% |
| Insulation Class | Class F (155℃) |
| Cooling Method | AN (air self-cooling) / AF (forced air cooling) |
| Protection Class | IP20, IP23, IP30 |
| Partial Discharge | ≤10pC |

Our SC(B)12 type epoxy resin cast transformer fits diverse applications:
Private & Building Overhauls: Modernize ancient control conveyance frameworks securely and productively. Compact plan fits tight spaces in existing structures.
Industrial Offices: Control your workshops, manufacturing plants, and light mechanical operations dependably. Handle requesting loads with steady voltage regulation.
Commercial Spaces: Perfect for shopping shopping centers, office buildings, schools, and clinics where security is fundamental. Moo commotion levels keep up comfortable environments.
Indoor Substations: Idealize for cellar establishments, floor dissemination rooms, and compact substations. Space-efficient plan maximizes your office layout.
Budget-Conscious Ventures: When you prioritize security, unwavering quality, and cost-effectiveness over most extreme vitality productivity, these transformers provide fabulous value.
Standard units come with IP00 security. Require more? We offer IP20 and IP23 walled in areas upon request.
Choose your walled in area fabric: standard steel plate, stainless steel steel, or aluminum amalgam. Each gets proficient treatment—pickling, phosphating, and powder coating—for enduring durability.
Temperature control shows and stack recorders introduce helpfully on the low-voltage side. You get solid observing at your fingertips.
Our adaptable generation obliges your details. With 6-30 day generation cycles, we adjust to your venture timeline without compromising quality.
We've conveyed transformers over residential markets and internationally—Australia, Modern Zealand, India, Vietnam, Malaysia, Indonesia, Kazakhstan, Egypt, Kenya, and past. Your extend benefits from our worldwide experience.
You get comprehensive documentation: point by point drawings, operation manuals, and total test reports. Our specialized group gives establishment direction, and we supply save parts when needed.
Our customer-centric logic implies we're here for you. "Quality To begin with, Technology-Driven, Service-Oriented, Integrity-Based" isn't fair a slogan—it's how we work day by day.

Q: What makes the product safer than oil-immersed models?
A: Epoxy resin encapsulation eliminates fire and explosion risks associated with oil. There's no flammable liquid, making these transformers ideal for indoor installations, especially in occupied buildings like hospitals and schools.
Q: Can these transformers operate in high-humidity environments?
A: Absolutely. The epoxy resin provides excellent moisture resistance. They perform reliably in coastal areas, basements, and other humid locations where traditional transformers might deteriorate.
Q: How long does delivery take for customized units?
A: Production cycles range from 6 to 30 days depending on specifications and order volume. We'll provide you with a precise timeline when you share your requirements.
Q: What maintenance do these transformers require?
A: Minimal maintenance compared to oil-filled units. No oil testing or leak checks needed. Regular visual inspections and cooling system checks keep them running smoothly.
Q: Are replacement parts readily available?
A: Yes. We maintain spare parts inventory and provide comprehensive after-sales support. Our technical team assists with any parts or service needs throughout your transformer's lifespan.
Contact our team at lijieelectrical@gmail.com to discuss your SC(B)12 type epoxy resin cast transformer specific requirements. We'll help you select the perfect solution.
YOU MAY LIKE
April 27, 2025
With a tight project schedule, the manufacturer delivered on time, and on-site technical personnel provided guidance throughout the entire installation and commissioning process; the collaboration was highly efficient and hassle-free.
July 2, 2025
During the preliminary phase, a selection plan was custom-tailored based on the actual site load requirements, resulting in a high degree of parameter compatibility. After-sales support responds within two hours, and ongoing technical support for operation and maintenance is comprehensive; we feel completely confident in a long-term partnership.
November 18, 2025
Deployed as a supporting component for a 35kV grid-connection project at a photovoltaic power station, the equipment operates for an average of 16 hours daily. It demonstrates excellent control over no-load losses, ensures smooth power generation and grid integration, and effectively reduces the station's overall energy consumption.
January 30, 2026
Under the continuous, high-load operating conditions of a factory production line, the equipment maintains stable electrical parameters and exhibits strong overload resistance, thereby guaranteeing an uninterrupted power supply for industrial production.
April 3, 2026
Integrated as a supporting component for a new energy photovoltaic grid-connection system, the manufacturer provided professional technical coordination and timely after-sales support, ensuring seamless adaptation to the specific electrical operating conditions required for grid integration.