SCB10/11/12/13/14/18/22 Cast-Resin Dry-Type Transformers (Various Specifications)

SCB10/11/12/13/14/18/22 Cast-Resin Dry-Type Transformers (Various Specifications) are cast-resin dry-type distribution transformers for indoor medium-voltage power systems. The series covers SCB10, SCB11, SCB12, SCB13, SCB14, SCB18, and SCB22 efficiency grades, with stated capacities from 30 kVA to 2500 kVA. Select the final rating from the confirmed load study, voltage ratio, and local technical requirements.

Configuration and specification

For SCB10/11/12/13/14/18/22 Cast-Resin Dry-Type Transformers (Various Specifications), the available high-voltage options stated in the original product information include 6 kV, 6.3 kV, 10 kV, 10.5 kV, and 11 kV. Stated low-voltage options include 0.23 kV, 0.4 kV, 0.48 kV, and 0.69 kV. Frequency options are 50 Hz and 60 Hz. Confirm the vector group, tap setting, impedance, insulation duty, and terminal arrangement before manufacture.

Efficiency-grade selection

The key decision for SCB10/11/12/13/14/18/22 Cast-Resin Dry-Type Transformers (Various Specifications) is not simply selecting the highest grade. Compare no-load loss and load loss at the requested capacity against expected operating hours and actual loading. SCB10 and SCB11 suit projects prioritizing initial cost. SCB12, SCB13, and SCB14 provide progressively lower stated losses. SCB18 and SCB22 are options for projects where lifecycle energy use has greater weight. A project with intermittent load can produce a different result from one operating continuously.

When reviewing SCB10/11/12/13/14/18/22 Cast-Resin Dry-Type Transformers (Various Specifications), obtain the applicable loss schedule for the exact capacity. A loss value from one rating is not a substitute for another rating. The original material cites SCB22 as the highest efficiency tier in this series and notes a lower stated load loss than SCB10 at 1000 kVA; verify project-specific figures in the quotation and test documentation.

Construction and operating conditions

SCB10/11/12/13/14/18/22 Cast-Resin Dry-Type Transformers (Various Specifications) use epoxy-resin cast windings with glass-fiber reinforcement according to the source material. Copper winding is stated as standard, with an aluminum option available. The listed core material is CRGO silicon steel. The original data also states off-circuit tapping, environmental class E2, climatic class C2, and an operating range from -25°C to +45°C. These are selection inputs, not replacements for an installation review.

For an indoor substation, plan ventilation, clearance, lifting access, cable bending space, and the busbar system design as part of one electrical layout. Inadequate airflow can create temperature alarms even when the transformer rating is appropriate. A ground loop current assessment, protective-earth arrangement, and cable-screen bonding should be addressed by the responsible system engineer.

Features that support practical selection

• SCB10/11/12/13/14/18/22 Cast-Resin Dry-Type Transformers (Various Specifications) provide an oil-free transformer option for indoor distribution locations.
• The stated AN/AF cooling arrangement can be considered where the approved duty requires it.
• Embedded PTC thermistors and a temperature controller are described in the source material; confirm the specified alarm, trip, and fan-control interfaces.
• IP00 to IP33 enclosure options support different indoor protection needs.
• The original information lists IEC 60076-11, GB 1094.11, and GB 20052; confirm the required edition and local acceptance conditions.

Dry-type construction is often described as low maintenance compared with oil-filled equipment. That comparison concerns oil sampling and leak management; it does not remove the need for planned inspection, cleaning where appropriate, connection checks, and safety procedures.

Applications and inquiry checklist

SCB10/11/12/13/14/18/22 Cast-Resin Dry-Type Transformers (Various Specifications) may be considered for commercial buildings, hospitals, schools, industrial facilities, data centers, basements, and other indoor electrical rooms when the confirmed design conditions fit the product. A kiosk substation design is a separate system decision: coordinate the transformer, switchgear, civil envelope, cable entry, and environmental protection rather than assuming one standard package fits every site.

Send the rated HV/LV voltage, capacity, frequency, vector group, tap requirement, installation altitude, ambient conditions, enclosure preference, cooling duty, required efficiency grade, and applicable standards with an inquiry. Include protection, monitoring, grounding, termination, and busbar system design information. This allows the supplier to match SCB10/11/12/13/14/18/22 Cast-Resin Dry-Type Transformers (Various Specifications) to the approved project scope rather than offering a generic configuration.

Model identification

SCB10/11/12/13/14/18/22 Cast-Resin Dry-Type Transformers (Various Specifications).

Product Images

1. What is the structural and cooling feature of your SCB dry type transformer?

Our SCB dry type transformer adopts epoxy resin cast winding structure. AN natural air cooling is the standard configuration, and AF forced air cooling is optional to improve short-time overload capacity.Without transformer oil, it features fire resistance, environmental protection and safe operation, which issuitable for indoor power distribution projects.

2. What capacity and voltage specifications are available for SCB dry type transformer?

The common voltage combination is 10kV/0.4kV, and 20kV version can be customized. The capacity rangecovers 30kVA to 2500kVA. Copper winding is standard, and aluminum winding can be selected accordingto customer project budget. We can adjust technical parameters as your requirement.

3. Can SCB dry type transformer work in high humidity or coastal salt spray environment? What about optional protective enclosure?

It is mainly designed for indoor installation. We can add anti-moisture and anti-corrosion coating toadapt to humid or coastal salt spray sites. IP20 and IP30 metal protective enclosures are optional to blocksolid foreign objects and protect windings.

4. What certifications do you have for SCB dry type transformer?

All our SCB dry type transformers have CE certification. Relevant CE documents and technical data can be provided for tender submission and customs clearance.

5. What is the warranty period for SCB dry type transformer?

We provide 10 years warranty for all SCB dry type transformers. Professional remote technical support willbe provided throughout the whole warranty period to handle equipment operation issues.