FREE sourcing support up to 3%

Eligibility applies to qualified business buyers and is confirmed after we review your product, quantity, destination, and sourcing requirements.

Factory sourcing support for microinverter manufacturers

Supplier matching

Microinverter solar panels fields a quotation must separate

FluxBridge Procurement is an independent sourcing partner. This page is about pairing a module with a module-level inverter on paper, before any factory is treated as selected. The pairing is a buying question. It is not an electrical design and it is not a statement that the two products ship together.

Build a Sourcing Brief
Module datasheet beside a microinverter DC window worksheet
  1. Specification. Maximum power voltage and open-circuit voltage of the module, and the DC input window of the inverter.
  2. Quantity. Module count and inverter count, kept as two units if the ratio is not one to one.
  3. Destination. US site or warehouse, plus who receives the goods.
  4. Timing. Requested delivery window, not a catalog lead time copied into the brief.

Four checks before two quotations can sit side by side

Specification

Write whether the module is buyer-furnished, factory-furnished, or still undecided. A quote that includes microinverter solar panels as a kit is a different offer from an inverter-only line.

Quantity

State pallets, pieces, or a project lot. If spares are required, put the spare count on its own line so it is not absorbed into the array count.

Delivered scope

Call out trunk cables, connectors, and monitoring hardware. Freight, packaging, and the tax or duty basis belong next to the hardware, not inside the watt label.

Supplier documents

Ask each proposed supplier for the datasheet and drawing of the quoted inverter model, and for the module sheet if the module is in their scope.

Exact-item file list

  • Current datasheet for the inverter model number on the quotation
  • Dimensional drawing with connector and mounting points
  • Module maximum power voltage and open-circuit voltage when a module is quoted
  • Communication protocol and whether a gateway is included
  • Warranty text that names the same model, not the family
  • Any test or listing record the buyer chooses to request for that model

A family brochure can introduce the range. It does not stand in for the item a factory offers to ship. Example buyer entries, not catalog ratings, are rated power 350 W or 500 W, a DC window of 22 V to 60 V, maximum power voltage 33 V, open-circuit voltage 41 V, module efficiency taken from the module sheet, and service at 240 V or 480 V. If a file covers a different frame, mark it as unrelated and keep the line open.

Approvals this desk will not close

DC-to-AC ratio, string versus module-level conversion, and whether a storage adder should be AC-coupled or DC-coupled are project decisions. Record the question if the buyer is still comparing those architectures. Do not convert the question into a specification the supplier is told to meet unless a qualified reviewer has already chosen.

Grid-forming behavior, where a buyer is asking about it, has to be confirmed on the proposed model. Many module-level products are designed around a grid-tied service. Writing the phrase on a brief does not make the unit grid-forming. Ask the supplier to say yes, no, or not applicable against the model number.

Enclosure rating follows the mounting place. A rooftop trunk run and an indoor aggregator are different environments. Leave the rating blank until the location is known, then ask the quotation to repeat it.

Interconnection paperwork, structural attachment, and safe installation stay with the parties who hold that duty. FluxBridge Procurement can ask factories to label deviations from the requested configuration. It cannot accept those deviations for the project.

When an alternative changes the connector, the protocol, the MPPT arrangement, or the accessory kit, the supplier should mark the deviation in writing. A silent substitution makes the unit price incomparable. See the inquiry labels and the field table in the brief.

Hand the panel-pairing brief to the desk

Include the module voltage numbers you already have, the inverter window you need, the quantity of each, and the US destination. Optional budget can name currency and a per-unit or whole-order basis. A supplier preference of premium, mid-range, budget-friendly, or not yet decided is only your buying posture.

FREE sourcing support with a ceiling of up to 3% is available only when the buyer qualifies and the coordinator has reviewed the product, quantity, destination, and sourcing requirements on the submitted brief. That review checks the request. It does not publish a lower price.

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