Company & product scope
Isolation, auto and medical transformers.
Legal entity: 上海华润特种变压器成套有限公司
English display name is provided for navigation; the legal entity above identifies this record.
What you can compare in this record
These counts describe the documentation available here, not the manufacturer’s complete range or a certification result.
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Published sources supporting the product records
Documented products
Huarun SGB / DGB isolation transformer series
SGB / DGB / SDB
Transformer categories
Rated capacity & no-load loss
No reviewed capacity and no-load loss data is available for this manufacturer yet. Values remain blank until model-specific documentation is reviewed.
Compare the same rated capacity, voltage, frequency and test conditions. A range does not guarantee every combination is available.
Technical evidence
Manufacturer catalogue source review
Checked 2026-09-23 against the manufacturer page. Range applies to the published product family. Request winding configuration, voltages, frequency, temperature rise and guaranteed losses for the proposed unit. This is a published-source record, not independent test verification.
Open source document →Source: www.huarundq.com.cn · 2026-09-23
Documents have not yet been independently reviewed. Company product descriptions are not substitutes for model-specific test evidence.
- Model & capacity
- Not independently checked
- Voltage ratio & frequency
- Not independently checked
- Cooling & insulation
- Not independently checked
- Winding & core materials
- Not independently checked
- No-load loss (kW)
- Not independently checked
- Load loss (kW) & reference temperature
- Not independently checked
- Impedance (%) & reference temperature
- Not independently checked
- Type test report: model, issuer, report number & date
- Not independently checked