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Dry transformer

Dry transformer SC(B)11-10kV

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Description

 

The SC(B)11-10kV dry-type transformer is a high-performance, cast resin-insulated transformer designed for 10kV medium-voltage distribution systems. It represents the latest evolution in dry transformer technology, offering lower no-load and load losses, enhanced thermal performance, and improved safety over previous generations like SC(B)9 and SC(B)10.

Engineered for modern industrial facilities, data centers, and safety-critical infrastructure, the SC(B)11 transformer meets the growing demand for high-efficiency, low-maintenance, and eco-friendly power distribution.

Key Features of SC(B)10-10kV Dry Transformer

Feature Benefit for Industrial Applications
Rated Voltage: 10kV/0.4kV Suitable for medium-voltage distribution and step-down transformation
Improved Energy Efficiency Reduced no-load and load losses compared to SC(B)9 series
Cast Resin Insulation Fire-safe, moisture-resistant, and maintenance-free
Air-Cooled Design (AN/AF) Eliminates need for oil, reducing environmental risk
Low Noise and Vibration Suitable for indoor or noise-sensitive environments
Strong Resistance to Short-Circuit High mechanical strength for demanding industrial conditions
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Parameters

 

Technical Parameters

Rated Capacity Voltage Combination Vector Group No-load Loss Load loss
(W)		 No-load Current Impedance Voltage Exterior Size Total Weight
(kVA) High Voltage (kV) tap range Low voltage (kV) (W) 130°C(B)
100°C		 155*C(F)
120°C		 180°C(H)
145°C		 (%) (%) (L*W*H) (kg)
30 6
6.3
6.6
10
10.5
11		 ±2.5
±5		 0.4 Dyn11 190 670 710 760 2.3 4.0 900*900*800 300
50 270 940 1000 1070 2.2 955*900*900 350
80 370 1290 1380 1480 1.7 985*950*960 400
100 400 1480 1570 1690 1.7 1035*1250*980 450
125 470 1740 1850 1980 1.5 1060*1280*1000 500
160 540 2000 2130 2280 1.5 1120*1320*1050 680
200 ±2*2.5
±5		 620 2370 2530 2710 1.3 1135*1330*1 105 770
250 720 2590 2760 2960 1.3 1170*1330*1165 900
315 880 3270 3470 3730 1.1 1185*1360*1225 1010
400 980 3570 3990 4280 1.1 1210*1380*1300 1205
500 1160 4590 4880 5230 1.1 1245*1400*1380 1400
630 1340 5530 5880 6290 0.9 1295*1410*1355 1515
630 1300 5610 5960 6400 0.9 6.0 1295*1410*1355 1515
800 1520 6550 6960 7460 0.9 1375*1 450*1480 1880
1000 1770 7650 8130 8760 0.9 1430*1480*1525 2170
1250 2090 91 00 9690 10300 0.9 1480*1500*1570 2525
1600 2450 11000 11700 12500 0.9 1500*1520*1710 2980
2000 3050 13600 14400 15500 0.7 1570*1550*1735 3480
2500 3600 16100 17100 18400 0.7 1625*1600*1825 4080
1600 2450 12200 12900 13900 0.9 8.0 1500*1520*1710 2980
2000 3050 15000 15900 17100 0.7 1570*1550*1735 3480
2500 3600 17700 18800 20200 0.7 1625*1600*1825 4080

 

Advantages of SC(B)11 Dry-Type Transformers

1. Energy Efficient

SC(B)11 transformers offer lower core and copper losses, helping reduce energy bills and improve the overall efficiency of your power system.

2. Fire-Safe Design

Constructed with self-extinguishing cast resin, this transformer is non-flammable and does not emit toxic gases in the event of fire—ideal for indoor and urban applications.

3. Maintenance-Free

No oil, no leakage, and no regular inspections required. This makes SC(B)11 transformers cost-effective and easy to manage, especially in hard-to-access installations.

4. Eco-Friendly

With zero risk of oil spills and reduced carbon footprint, SC(B)11 aligns with sustainable construction standards such as LEED and BREEAM.

 

Technical Specifications

Parameter Specification
Rated Capacity 100kVA to 2500kVA
Rated Voltage Primary: 10kV / Secondary: 0.4kV (customizable)
Frequency 50Hz / 60Hz
Cooling Method AN (Air Natural) / AF (Air Forced)
Insulation Class F or H
Vector Group Dyn11 / Yyn0
No-Load Loss Lower than SC(B)9 series
Partial Discharge ≤10 pC
Temperature Rise ≤100K (winding) / ≤80K (core)

Custom configurations available upon request.

 

SC(B)11 vs SC(B)10 vs SC(B)9 Dry Transformers

Model SC(B)11 SC(B)10 SC(B)9
No-Load Loss Lowest Medium Higher
Load Loss Lower Standard Higher
Efficiency Highest High Moderate
Noise Very Low Low Standard
Use Case Premium industrial & smart grid Energy-focused installations General industry

✅ SC(B)11 is the transformer of choice for modern facilities prioritizing energy savings and long-term sustainability.

 

Why Choose the SC(B)11-10kV Dry-Type Transformer for Your Project?

  • Customizable voltage and capacity options
  • Safe for indoor or confined installations
  • Minimal operating cost over 20–30 year lifespan
  • Rugged enough for industrial loads and temperature extremes
  • Meets modern environmental and building safety regulations

 

We manufacture and supply SC(B)11-10kV dry-type cast resin transformers for diverse industrial and infrastructure projects worldwide.

  • Wide capacity range: 100 kVA to 2500 kVA
  • Certified to IEC/GB standards
  • Fast delivery and installation support
  • OEM and project customization available
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Solutions

 

METTZ Group stands as a consortium of Chinese electrical firms, renowned for its expertise in manufacturing electrical equipment. We are specialized in crafting a comprehensive suite of transmission and distribution equipment, covering a wide voltage range from 0.4 to 40.5 kV. Our commitment lies in delivering reliable and stable products to our clientele, encompassing vacuum circuit breakers (VCB), gas-insulated switchgear modular units (RMU), solid insulated switchgear (SIS) panels, air insulated switchgear (AIS) panels, and dry compressed air insulated switchgear panels (DIS).

Since our inception, METTZ Group has been at the forefront of adopting international cutting-edge technologies and equipment. We pride ourselves on our extensive collaboration and dialogue with leading experts in the electrical technology sector, both within China and internationally. Our offerings are tailored to meet the specific needs of our clients, including Original Equipment Manufacturer (OEM) services, customization of products to unique parameters and dimensions, all in alignment with our customers’ specifications.

METTZ Group is dedicated to innovation, quality, and customer satisfaction, ensuring that we remain a preferred partner for electrical equipment solutions worldwide.

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