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SC(B)18 type dry-type distribution transformer

1. Voltage Rating: 10kV 2. Capacity Range: 30kVA~3150kVA 3. Phase/Frequency: Three-phase, 50Hz 4. Connection Group: Dyn 5. Voltage Regulation Method: No-excitation voltage regulation ±2×2.5% 6. Insulation Class: Class H (180℃) 7. Cooling Method: AN (self-cooling) / AF (air-cooling) 8. Protection Class: IP20, IP23, IP30, IP40 9. Energy Efficiency Class: GB 20052-2020 Level 1 Energy Efficiency 10. Partial Discharge: ≤5pC (at 1.73 times rated voltage)

Product Description

SC(B)18 Type Dry-Type Distribution Transformer 

The SC(B)18 type dry-type distribution transformer from Lijie Electric delivers enterprise-grade performance with Level 1 energy efficiency standards. Manufactured at our 500,000-square-meter facilities with over 160 engineering professionals, these transformers achieve 10–15% lower no-load loss compared to previous models. Rated from 30kVA to 3150kVA at 10kV, they feature epoxy resin vacuum-cast windings with Class H insulation (180℃), partial discharge ≤5pC, and multi-standard certifications including ISO 9001:2015, CE, UL, and IEC compliance.

SC(B)18 type dry-type distribution transformer

Technical Specifications

Parameter Specification
Voltage Rating 10kV
Capacity Range 30kVA – 3150kVA
Phase/Frequency Three-phase, 50Hz
Connection Group Dyn11
Voltage Regulation No-excitation ±2×2.5%
Insulation Class Class H (180℃)
Cooling Method AN (self-cooling) / AF (forced air)
Protection Class IP20, IP23, IP30, IP40
Energy Efficiency GB 20052-2020 Level 1
Partial Discharge ≤5pC (at 1.73× rated voltage)
Noise Level ≤55–60dB(A)

Why Choose This Transformer?

Exceptional Energy Savings

Your operational costs matter. Our transformers utilize high-permeability grain-oriented silicon steel with multi-stage step joints. This plan diminishes no-load misfortune essentially. Over a long time of operation, you'll see significant power investment funds, particularly amid light-load periods.

Built for Requesting Environments

The epoxy tar vacuum casting get ready makes a solid, gap-free cover layer. Your transformer withstands sudden short-circuit impacts without hurt. It stands up to moistness, clean, and disintegration really. You can present it in cellars, high-rise buildings, or mechanical workplaces with confidence.

Safe and Biologically Friendly

Fire security is non-negotiable. These units are flame-retardant, self-extinguishing, and make no noxious smoke. They contain no oil, murdering spill threats completely. You can put them clearly in stack centers where people work and live.

Ideal for Present day Loads

If you're fueling information centers, EV charging stations, or offices with variable recurrence drives, the Sort B copper thwart low-voltage winding handles nonlinear loads superbly. Warm disseminates equally. Consonant resistance is solid. Your touchy gear gets steady, clean power.

Maintenance-Free Operation

Forget approximately oil changes and customary upkeep plans. These dry-type units require essentially no upkeep. Their compact plan and lighter weight rearrange establishment. You spare on both starting setup costs and progressing support expenses.

SC(B)18 type dry-type distribution transformer

Construction Details

Winding Separator: Tall and moo voltage windings are vacuum-cast with epoxy tar and quartz sand filler. This makes a thick, high-strength strong separator layer with zero discuss gaps.

Turn and Layer Cover: We utilize tall heat-resistant polyester film, Nomex paper, or composite materials evaluated for Lesson H temperatures. Electrical quality is uncommon, avoiding breakdown between layers.

Core Development: High-quality silicon steel sheets with protection coating minimize whirlpool current misfortunes. All auxiliary components coordinate Lesson H temperature appraisals, dispensing with powerless focuses.

Perfect Applications

You'll find these transformers excel in:

  • Commercial high-rises and office complexes
  • Airports and transportation hubs
  • Hospitals and educational institutions
  • Manufacturing facilities and industrial parks
  • Data centers and telecommunications sites
  • Shopping malls and entertainment venues
  • Locations with strict fire safety requirements

The SC(B)18 type dry-type distribution transformer adapts to your specific needs. We offer customization options with production cycles of 6–30 days.

SC(B)18 type dry-type distribution transformer

Frequently Asked Questions

Q: What makes the SC18 more proficient than more seasoned models?

A: The progressed center plan with high-permeability silicon steel and optimized joints decreases no-load misfortunes by 10–15%. This interprets straightforwardly to lower power bills all through the transformer's lifespan.

Q: Can I introduce this transformer inside close possessed spaces?

A: Completely. The oil-free, flame-retardant plan meets F1 fire resistance measures. Moo clamor operation (55–60dB) and zero poisonous emanations make it secure for establishment in cellars, housetops, or indeed inside building floors.

Q: How does it handle control quality issues?

A: The copper thwart low-voltage winding (Sort B) gives amazing consonant resistance. It keeps up steady yield indeed with nonlinear loads like computers, Driven lighting, and engine drives.

Q: What security evaluations are accessible?

A: We offer IP20, IP23, IP30, and IP40 protection classes. Choose based on your environmental conditions—from clean indoor spaces to areas with dust or water exposure.

Q: Is technical support available after purchase?

A: Yes. We provide complete technical documentation, installation guidance, spare parts supply, and comprehensive after-sales support. Our engineering team assists throughout your transformer's operational life.

Q: What certifications do these transformers hold?

A: Our products carry ISO 9001:2015, CE, UL, and IEC certifications. All units pass testing by China's National Transformer Quality Supervision Center and meet international standards.

Contact Us

Ready to upgrade your power distribution system with SC(B)18 type dry-type distribution transformer? Reach out to our team at lijieelectrical@gmail.com for technical specifications, custom solutions, and quotations.

Customer reviews background image

Here are some reviews from our users:

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.

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