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Cast resin dry-type transformers

Cast resin dry-type transformers from Xuzhou, China. From 630 to 2 500 kVA at 10 kV, the SCB18 is energy-efficiency Grade 1, and a 2 000 kVA unit passed type tests to IEC 60076 in May 2026.

Across our oil-immersed and dry-type ranges we build from 6 to 35 kV and up to 31 500 kVA, for 6, 10, 11, 13.2, 13.8, 15, 20, 22, 33, 34.5 and 35 kV networks at 50 or 60 Hz. Low-voltage sides we build include 0.4, 0.415 and 0.433 kV.

Two cast resin dry-type transformers with red coils standing on skids on the factory floor

Cast resin dry-type transformers on the factory floor.

  • SCB18

    Energy-efficiency Grade 1 (NX1) under GB 20052-2024 across the filed range, 630 to 2 500 kVA at 10 kV.

    Type-test certificate 20260564, May 2026, IEC 60076 and GB standards

    See SCB18

  • SCB14

    Type-test report 23133B41263 on SCB14-2000/10-NX2, December 2023 (source: company brochure)

    Ask about SCB14

  • SC(B)H15

    Amorphous-alloy core.

    No report published here yet

    Ask about SC(B)H15

SCB13SCB12SCB11SCB10

Ask about these series

[TBC: kVA range and voltage classes per series]

Tested unit

Third-party labs type-tested these units. Select a line to find it on the certificate.

SCB18, 2 000 kVA

SCB18-2000/10-NX1, dry-type cast resin transformer, 2 000 kVA, 10 kV. Tested 19 to 22 May 2026.

Lab
China National Center for Quality Inspection and Test of Electrical Apparatus Products. CMA 230008349829, CNAS L1020, ILAC-MRA
Standards
With 9 Chinese GB and JB/T standards, including GB 20052-2024
Result
Energy-efficiency Grade 1 under GB 20052-2024

Measured losses

Each bar shows the measured loss against the Grade 1 limit in GB 20052-2024 (the line).

  • No-load loss

    Measured 1 428.0 W. The Grade 1 limit is 1 760 W. 18.9 % below. Rated 1 755 W.

  • Load loss at 145 °C

    Measured [TBC: value only partly legible on our copy of the report]. The Grade 1 limit is 14 005 W. Rated 14 000 W.

Documents

Type-test certificate 20260564 for SCB18-2000/10-NX1, issued by the China National Center for Quality Inspection and Test of Electrical Apparatus Products. Issue date and signature blurred.
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  • Type-test certificate 20260564
  • Report 26N0992-S
  • Energy-efficiency report CEL-A-20260524-227886 (lab no. 26N0993-S)

A type-test certificate applies to the sample tested in its report.

Ask for the full report

All tests, standards and filing for SCB18
Unit
Tests
Standards
Filing
DQJC-2026-10457: SCB18, 630 to 2 500 kVA, 10 kV, issued 9 June 2026

Standards in the test reports

SCB18
IEC 60076-1, -3, -5, -10 and -11; GB/T 1094.1, .3, .5, .10 and .11; GB/T 10228-2023; GB 20052-2024; JB/T 10088-2016; JB/T 501-2021. Report 26N0992-S.
SCB14
Type test in December 2023 by Zhejiang Fangyuan Testing Group, report 23133B41263 (source: company brochure).
Other series
[TBC: standards each series is designed and tested to, including IEC 60076]

What to send for a quote

A quote is quicker when we have these. Send what you know.

  • Rated power (kVA) and quantity
  • Primary and secondary voltage, and the tapping range
  • Frequency: 50 or 60 Hz
  • Vector group, for example Dyn11
  • Cooling, and indoor or outdoor installation
  • The standard your project specifies
  • Destination port or site, and the delivery date you need

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