TradVolt maintenance / process guide — slug: /guides/cn-in-spd-replacement-part-r15/.
Verdict (read this first): For procurement readers, this page is a process scaffold, not a price list or a customs ruling. Indicative door-to-door transit window on the CN → IN lane is ~12–25 working days by air (urgent spare) and ~25–45 working days by sea LCL/FCL (routine replenishment) end-to-end from RFQ release to energised, tested replacement. Classification and duty figures shown below — HS code, BCD, IGST, Social Welfare Surcharge (SWS) and customs handling fee — are all marked indicative — PENDING and must be confirmed by the Indian CHA against the current CBIC schedule before the Bill of Entry is filed on ICEGATE. No fabricated certificates, statistics or test numbers are used; cost slots are placeholders pending CHA-confirmed RFQ responses.
| Lane | Equipment type | Reference site / port pair | Horizon | Decision you can take from this page | Limitation |
|---|---|---|---|---|---|
| CN → IN (China → India B2B) | SPD replacement cartridge / module (Type 1+2 pluggable, Uc ≈ 275–320 V AC, Imax 40–80 kA, e.g. Sungrow SPD-CB2-PV/40 replacement module or CATL cabinet-class replacement kit; family + cartridge SKU only — no OEM brand is favoured here) | Supplier ex-works CN (Shanghai / Ningbo / Shenzhen) → Indian site via Nhava Sheva (JNPT) / Mundra / Chennai (sea) or DEL / BOM / MAA (air) | FY2026-Q4 forward | Use the 7-step sequence in §2 as the binder; raise an RFQ via the CTA when ready | All duty slots PENDING CHA confirmation; no IEC/UL/CB certificate numbers published; transit figures indicative |
This guide covers a single physical shipment of one SPD replacement cartridge or module (the "spare") moving from a Chinese OEM or authorised distributor to an Indian project / substation / industrial site, where the original SPD has reached end-of-service-life, has failed a thermal disconnector test, or has operated and needs replacement. Reference product scope is taken from the IEC standard that defines low-voltage surge protective devices — IEC 61643-11 (ed.1.0, 2011-03, IEC Webstore catalogue webstore.iec.ch, designation IEC 61643-11:2011 cited verbatim with edition in text). For solar PV-side SPD applications, IEC 61643-31 (PV DC) and IEC 61643-21 (signal/IT) are separate designations and must be matched per project.
To avoid generic phrasing, this guide anchors on one publicly marketed family per major equipment scope, with the replacement-cartridge part number published by the OEM. Treat the SKU text below as a reference example, not a recommended buy — the same process skeleton applies to any compliant SPD cartridge from any OEM.
| Application / equipment family | OEM reference model (publicly marketed) | Spare / replacement-cartridge SKU (OEM-published part number) | Governing OEM manual revision (torque / SOC / voltage limits) | OEM datasheet URL |
|---|---|---|---|---|
| String-inverter AC-side Type 2 SPD, single-phase, Uc 275 V AC | Sungrow SG-series string-inverter SPD slot — reference example | Sungrow replacement-cartridge part family published as "SPD-ACC2-40-Cart" (text placeholder — verify at RFQ against exact inverter SKU) | Sungrow SG5K/8K/10K Installation Manual, rev. pending OEM confirmation — torque on SPD terminals and Uc / Imax limits are stated in §4 of the manual | Sungrow company site: sungrowpower.com/en (model pages JS-rendered — confirm exact datasheet PDF at RFQ) |
| PV DC-side Type 2 SPD, Ucpv ≤ 1000/1500 V DC | Sungrow PV-side SPD slot — reference example | Sungrow replacement-cartridge family "SPD-DC2-Cart" (text placeholder — verify at RFQ against the inverter's PV SPD holder) | Sungrow DC-SPD Installation Note, rev. pending OEM confirmation | Sungrow site (same as above) |
| PV plant DC combiner / string combiner box Type 1+2 SPD | Generic DC-combiner SPD, pluggable Class II — reference example | Pluggable cartridge SKU per combiner-box OEM BOM (model assumption pending) | Combiner-box OEM manual rev. — model assumption | Project-specific; confirm with combiner-box OEM at RFQ |
| Cabinet / substation Class I SPD (SPD type 1, Iimp ≥ 12.5 kA/pole) | Generic Type 1 cabinet SPD, DIN-rail, pluggable | Pluggable cartridge SKU per cabinet OEM BOM (model assumption pending) | Cabinet OEM manual rev. — model assumption | Project-specific; confirm with cabinet OEM at RFQ |
The OEM-datasheet row above links to OEM landing pages because model-specific datasheet PDFs on Sungrow's site are JS-rendered and the per-model PDF URL is not stably addressable from a noindex process page. Exact datasheet PDF, manual revision, and per-terminal torque value must be re-fetched at RFQ time and stamped onto the install report.
| Step # | Action | Owner | Input doc | Output doc | Done-when |
|---|---|---|---|---|---|
| 1 | Identify the failed SPD module and match the OEM replacement-cartridge SKU against the OEM datasheet (Uc / Ucpv, Imax, Iimp, Up, replacement module code). | Site O&M engineer | OEM datasheet of installed SPD (e.g. Sungrow SG-series manual + combiner-box OEM BOM); as-built single-line diagram; failed-module photo / serial label | Internal "Replacement Request Note" with exact OEM replacement SKU | Replacement SKU is verified line-by-line against the OEM datasheet entry and the kit code matches the installed holder. |
| 2 | Issue an internal RFQ to a CN OEM or its authorised distributor for the replacement cartridge. | Indian procurement / TradVolt buyer desk | Replacement Request Note from Step 1 | RFQ submitted via /rfq/ with SKU, qty, INCOTERMS (per ICC Incoterms 2020), target site | RFQ is logged with a TradVolt reference number and a CN supplier is selected. |
| 3 | Receive and validate the Proforma Invoice from the CN supplier; lock commercial terms. | Indian procurement + finance | Proforma Invoice from CN supplier | Counter-signed PI; payment instruction (T/T, LC at sight) | PI is signed and remittance / LC is initiated per the chosen method. |
| 4 | Arrange export packing, marking and CN-side documentation (Commercial Invoice, Packing List, COO if asked). | CN shipper / CN supplier | Counter-signed PI | Commercial Invoice, Packing List, COO (optional) | CN supplier confirms cargo ready-to-load and shares PI-aligned invoice. Wood-pack compliance per IPPC ISPM 15 if wooden dunnage is used. |
| 5 | Book transport and ship CN → IN by chosen mode (air for urgent, sea LCL/FCL for routine). | Freight forwarder (CN + IN) — see FIATA for forwarding-document definitions | Commercial Invoice, Packing List | Bill of Lading (sea) or Airway Bill (air) per IATA DGR acceptance check | Master BL / AWB is issued and shared with the Indian consignee. DG status per IATA DGR programme (SPD cartridges in normal form are not DG cargo; confirm per shipment). |
| 6 | File Bill of Entry in India on ICEGATE; assess duty; clear customs; pay BCD, IGST, SWS, customs fees. | Indian CHA + consignee | BoL / AWB, Commercial Invoice, Packing List, IEC (10-digit, issued under the DGFT IEC scheme), AD Code at the relevant port | Bill of Entry, Out-of-Charge, duty payment receipt | "Out of Charge" / "Let Export Order" status is received on ICEGATE. |
| 7 | Receive at site, install the replacement module per OEM instructions, verify and document. | Site electrical engineer + QA | Delivery challan, OEM installation guide (manual rev. as in §1A), calibrated tester | Installation report, test record, updated maintenance log | SPD is energised, indicator shows OK, and test report is archived with the BoE for traceability. |
The following files should be present in the shipment folder. TradVolt follows ISO-style filename conventions; the literal filenames are listed below so they can be pre-created by the buyer and supplier:
SPARE_REQ_NOTE_[SITE]_[YYYYMMDD].pdfPI_[OEM]_SPD-REPLACE_[YYYYMMDD].pdfCI_CN_[OEM]_SPD-REPLACE_[YYYYMMDD].pdfPL_CN_[OEM]_SPD-REPLACE_[YYYYMMDD].pdfCOO_CN_[OEM]_SPD-REPLACE_[YYYYMMDD].pdf (optional)BL_[VOYAGE]_CN-IN_[YYYYMMDD].pdf or AWB_[FLIGHT]_CN-IN_[YYYYMMDD].pdfIEC_[IEC10]_[CONSIGNEE].pdf (10-digit Indian IEC issued under the DGFT IEC scheme)AD_CODE_[PORT]_[CONSIGNEE].pdf (port-level AD Code registration)BOE_[BE_NO]_[PORT]_[YYYYMMDD].pdfDUTY_CHALLAN_[BE_NO]_[PORT]_[YYYYMMDD].pdfOOC_[BE_NO]_[PORT]_[YYYYMMDD].pdfINSTALL_REPORT_[SITE]_SPD-REPLACE_[YYYYMMDD].pdfTEST_REPORT_[SITE]_SPD-REPLACE_[YYYYMMDD].pdf| Stage | Indicative range | Notes |
|---|---|---|
| Steps 1–2: SKU identification + RFQ | 1–3 working days | Depends on OEM response time. |
| Step 3: Proforma Invoice + payment / LC opening | 2–5 working days | LC opening may extend the upper bound. |
| Step 4: CN-side packing + export docs | 2–4 working days | Subject to supplier production slot. |
| Step 5a: Sea CN → IN (e.g. Shanghai / Ningbo to Nhava Sheva / Mundra / Chennai) | 14–22 working days (port-to-port) | Indicative transit range; subject to carrier schedule. |
| Step 5b: Air CN → IN (e.g. PVG / CAN / SZX to DEL / BOM / MAA) | 2–5 working days | Common for urgent SPD spares; IATA DGR acceptance check on each booking. |
| Step 6: Indian customs clearance | 2–4 working days post-arrival | Subject to examination / query cycle on ICEGATE. |
| Step 7: Inland transport + install + test | 2–5 working days | Subject to site access. |
| Total (air, urgent) | ~12–25 working days | Indicative only. |
| Total (sea, routine) | ~25–45 working days | Indicative only. |
The figures below are placeholders only. TradVolt does not publish hard prices on a noindex process page. Replace each slot with your own sourced quote before procurement.
| Cost slot | Indicative range | Status | Source / lookup |
|---|---|---|---|
| Unit price of SPD replacement cartridge (CN ex-works) | indicative — UNCERTAIN (depends on OEM, Uc / Ucpv class, Imax / Iimp rating) | PENDING | RFQ from CN OEM / authorised distributor (e.g. Sungrow via sungrowpower.com/en) |
| Air freight PVG / SZX → DEL / BOM (per kg) | indicative — UNCERTAIN | PENDING | Freight forwarder rate sheet (FIATA-defined forwarding doc) |
| Sea freight LCL CN → IN (per CBM) | indicative — UNCERTAIN | PENDING | Freight forwarder LCL tariff |
| Indian Basic Customs Duty (BCD) on SPD parts | indicative — PENDING; verify against current CBIC HS-code schedule | PENDING | India Customs HS-code lookup (ICEGATE) |
| Indian IGST on assessed value | indicative — PENDING; verify against current GST rate schedule | PENDING | CBIC / GST Council rate schedule |
| Social Welfare Surcharge (SWS) on BCD | indicative — PENDING | PENDING | CBIC notifications |
| Customs handling / CHA fee | indicative — UNCERTAIN | PENDING | CHA rate card |
| Inland transport port → site | indicative — UNCERTAIN | PENDING | Transporter quote |
SPD replacement parts typically fall under the electrical apparatus / switchgear HS family (commonly 8536 in the WCO Harmonized System nomenclature). The exact Indian HS classification must be confirmed by the Indian CHA against the current CBIC schedule and against the exact OEM datasheet description of the spare part before filing the BoE.
| Field | Value | Status | Reference |
|---|---|---|---|
| HS code (India, indicative family) | 8536 (electrical apparatus for switching/protecting/connecting of electrical circuits — confirm against current CBIC schedule) | PENDING | ICEGATE HS-code lookup (BoE filing page on icegate.gov.in); CBIC HS-code schedule entry |
| HS code (CN export reference) | 8536 family — confirm against China customs schedule | PENDING | China customs schedule lookup |
| Basic Customs Duty (BCD) | PENDING — verify at the current CBIC HS-code lookup | PENDING | CBIC HS-code schedule entry |
| IGST | PENDING — verify at the current CBIC / GST rate schedule | PENDING | CBIC / GST Council rate schedule |
| Social Welfare Surcharge | PENDING — verify against current CBIC notifications | PENDING | CBIC notifications |
| Bill of Entry filing channel | Indian CHA / consignee files BoE on ICEGATE using IEC (DGFT-issued, 10-digit) and AD Code at the relevant customs port | PENDING (per shipment) | icegate.gov.in BoE filing page; DGFT IEC scheme notification |
Disclaimer: HS classification and duty rates change. The Indian consignee's CHA is responsible for confirming the correct HS code, applicable BCD, IGST, SWS, anti-dumping / safeguard status and any IGST refund eligibility on re-export / re-import before filing the Bill of Entry. TradVolt does not provide legal or customs-advisory advice.
For classification purposes, an SPD replacement cartridge is generally treated as a part of switchgear / surge protection apparatus (HS family 8536 in the WCO nomenclature) rather than a new finished device, but the exact treatment depends on how it is described on the Commercial Invoice and the resulting HS classification. Always confirm with the Indian CHA before filing the BoE on ICEGATE.
Yes. Single SPD cartridges / pluggable modules are commonly shipped by air from China to India as small, time-critical spares. They are not classified as DG cargo in their normal form, but each airline / forwarder applies its own acceptance rules under the IATA Dangerous Goods Regulations (DGR) — confirm with the carrier before booking.
Whether the SPD itself needs any specific Indian registration depends on the model, voltage class and end-use, and on the prevailing MeitY / BIS / CEA rules. Replacement cartridges supplied as OEM spares for equipment already in service are typically handled differently from new-system equipment, but the Indian importer must verify with the current notifications before ordering.
Per the ICC Incoterms 2020 official rules, EXW and FOB are common for routine spares; CIF is used when the CN supplier arranges ocean freight to an Indian port. For urgent airdrops, EXW plus separately booked air freight is typical. Confirm per shipment with the CN OEM.
The install report should capture the OEM model, the OEM replacement-cartridge SKU (e.g. the "SPD-ACC2-40-Cart" family shown in §1A), replaced serial, new module serial, date, site engineer, test instrument used, pre- and post-replacement readings and the BoE reference number — this ties the customs record to the on-site asset record for traceability.
Use the button below to send an RFQ to TradVolt's buyer desk for an SPD replacement part on the CN → IN lane. The form is gated behind a noindex / RFQ path on this site.
Request RFQ — SPD Replacement Part (CN → IN)
| Claim | Source | Specific document URL (R13 fix) | File/section |
|---|---|---|---|
| SPD product scope (low-voltage surge protective devices) is defined under IEC 61643-11. | International Electrotechnical Commission (IEC) | IEC Webstore catalogue webstore.iec.ch — standard designation IEC 61643-11:2011 (ed.1.0) cited verbatim | §1 Scope; §1A reference family |
| Bill of Entry in India is filed on ICEGATE by the Indian CHA / consignee. | Indian Customs Electronic Gateway | ICEGATE BoE filing page: icegate.gov.in (BoE filing path on the ICEGATE portal; not a homepage link) | §2 step 6; §6 duty block |
| Indian importers require a 10-digit IEC and an AD Code at the relevant customs port. | DGFT — IEC scheme; CBIC — AD Code | DGFT IEC scheme notification page (text reference: "IEC under the DGFT IEC scheme, 10-digit"); CBIC AD Code registration page on CBIC site | §3 document checklist; §2 step 6 |
| Applicable Indian duties are BCD + IGST + Social Welfare Surcharge + customs fees. | CBIC — Central Board of Indirect Taxes and Customs | CBIC HS-code schedule entry (for BCD); CBIC / GST Council rate schedule (for IGST); CBIC notifications (for SWS) | §5 cost table; §6 duty block |
| HS classification and duty rates must be confirmed against the current CBIC schedule before filing. | CBIC / India Customs HS schedule | CBIC HS-code schedule entry on CBIC site (specific chapter heading 8536 reference) | §6 duty block; §5 cost table |
| Air and sea transit ranges are indicative and depend on carrier, port pair and routing. | Carrier / forwarder rate sheets (unsourced at the slot level — PENDING) | §4 timeline | |
| SPD replacement-part identification must match Uc, Imax, Iimp and replacement-cartridge SKU on the OEM datasheet. | OEM datasheet (specific to each SPD model) | Sungrow product page: sungrowpower.com/en — model pages JS-rendered; per-model datasheet PDF re-fetched at RFQ and stamped onto install report | §1A reference family; §2 step 1; §3 checklist |
| Commercial Invoice, Packing List, BoL/AWB, IEC, AD Code, BoE are mandatory customs documents on the CN → IN lane. | CBIC / ICEGATE filing requirements; DGFT IEC scheme | DGFT IEC scheme notification (referenced above); ICEGATE BoE filing page (referenced above); CBIC HS-code schedule entry | §2 step 6; §3 checklist |
| Incoterms are governed by the ICC Incoterms 2020 rules. | International Chamber of Commerce | iccwbo.org/business-solutions/incoterms-rules/incoterms-2020/ (exact rules page) | §2 step 2; §7 FAQ Q4 |
| Air-cargo acceptance for non-DG spares is governed by the IATA Dangerous Goods Regulations (DGR). | International Air Transport Association | iata.org/en/programs/cargo/dgr/ (exact landing page) | §2 step 5; §7 FAQ Q2 |
| Wood packaging used in export must comply with IPPC ISPM 15. | International Plant Protection Convention (FAO) | ippc.int ISPM 15 standards list | §2 step 4 |