Pangxin S22-M NX1 oil-immersed series

The page title and introduction identify the S22-M / NX1 family as grade-one energy efficiency and say it was developed against energy-efficiency requirements. The introduction also refers generally to State Grid encouragement and procurement. It identifies no specific purchase contract or delivered unit in the reviewed material, so that wording is not evidence of an order history for a selected model.

The numerical range is retained as the family reference already associated with this record. It is not one offered nameplate or a capacity-by-loss schedule. Choose the required capacity and ask for an exact model, voltage ratio and matched guaranteed data. Do not import S20-M/NX2, S13 or another neighbouring product’s figures into this S22-M record.

The source’s detail section relies on an externally hosted image. That image did not load in the browser and could not be retrieved over HTTP or HTTPS during review. This is a source-access gap, not proof that no detailed data exists. Request the maker’s current complete datasheet and applicable efficiency evidence.

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Source notes: [P1]

Provide the selected kVA, high/low voltage ratio, frequency, taps, connection, impedance and service duty. Ask the maker to identify the current offered design and its construction, winding materials, cooling and oil specification. The title alone does not establish a complete accessories, protection or temperature-rise schedule.

For the installation, give altitude, ambient conditions, exposure, terminal interfaces and space/access constraints. Request final installed and transport dimensions and masses, oil delivery condition, lifting instructions, foundation interfaces and maintenance requirements. A family photograph cannot define the layout of every rating from 30 to 2,500 kVA.

Agree the accessory package explicitly: temperature indication, alarms, protection interfaces, cooling, terminals and any enclosure or containment requirement should be named in the returned proposal. Ask the project engineer and maker to review suitability for the site rather than inferring it from the broad power-transformer category.

Source notes: [P1]

An efficiency label is not an annual-cost calculation. Request numerical no-load and load-loss guarantees, the load-loss reference temperature and test conditions for the selected capacity. Compare them with other offers using the same capacity, voltage, cooling and service duty. Keep guaranteed values and measured test results in separate fields.

Ask for report identity, tested model/rating and the applicable basis for any energy-efficiency classification. Check that the report covers the proposed design and conditions. The reviewed product introduction supplies no report details sufficient to declare current selected-unit compliance.

If assessing a replacement or energy cost, provide actual operating hours, loading and energy-price assumptions. Do not derive a savings percentage from the S22/NX1 name or compare unmatched catalogue capacities. Missing inputs should remain visible in the comparison.

1. Receive a complete datasheet

   Resolve the inaccessible-image gap with a current supplier document.

2. Match rating and evidence

   Check capacity, ratio, model, guarantees and report conditions together.

3. Approve the release basis

   Agree losses/tolerances, factory tests, efficiency evidence and required handover documents.

Source notes: [P1]

No verified current price or lead time is available. Request an itemized quotation for the selected S22-M configuration, specifying transformer, oil, accessories, tests, packing, transport and site support. Require currency, trade terms, quotation date, validity and exclusions.

Ask the maker to name the event starting lead time and separate drawing approval, manufacturing, factory tests, release, dispatch and arrival at the stated destination. Resolve model/evidence and interface questions before treating the proposal as an agreed purchase schedule.

Source notes: [P1]

Select capacity and exact voltage ratio within the family reference.

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Manufacturer material reviewed on 14 October 2026. Published facts and buyer recommendations are distinguished in the sections above. No verified current price, lead time or independent unit test was established.

Source references and archived material are retained in the editorial record. Report a correction or provide a current datasheet →