Electric Rotating Power Generators
CN → US| HS编码 | 关税税率 | 原产国 | 目的国 | 文档 |
|---|---|---|---|---|
| 8502400000 | 38.0% | CN | US | 官方文档 |
| 8502390080 | 37.5% | CN | US | 官方文档 |
| 8501318100 | 37.5% | CN | US | 官方文档 |
| 8501610100 | 37.5% | CN | US | 官方文档 |
商品图片
AI分析
⚡ Electric Rotating Power Generators (Rotary Converters & Generating Sets)
🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Clearance Strategy
📌 Part 1: Product Definition & Classification: Do You Really Know "Rotating Generators"?
In international trade, "Electric Rotating Power Generators" is a broad term that covers two main categories of equipment used to convert mechanical energy into electrical energy (or vice versa). The key to accurate classification lies in distinguishing between complete generating sets (standalone units) and individual motor/generator components.
1. Rotary Converters (Rotary Machines):
- Devices that convert AC to DC or DC to AC via a rotating shaft. Often used in industrial settings for specific voltage/frequency conversions.
- Key Identifier: No external engine/motor prime mover attached; it is the conversion unit itself.
2. Electric Generating Sets (Generator Sets / Gensets):
- Complete units comprising a generator plus a prime mover (e.g., diesel engine, gas turbine, steam turbine).
- Key Identifier: Sold as a complete power source system.
⚠️ Critical Distinction Point:
- If the product is a standalone rotary converter without a prime mover → It falls under 8502.40.00.00.
- If the product is a small generator component (DC/AC motor-generator) with output ≤ 75 kVA/W → It falls under 8501.xx.
- If the product is a general-purpose generating set (non-rotary converter type) → It falls under 8502.39.
📦 Part 2: HS Code Classification Details (2026 Latest Tariff Authority Comparison)
| HS Code | Product Description | Application Scenario | Key Technical Limit | Prime Mover Included? |
|---|---|---|---|---|
8502.40.00.00 |
Electric rotary converters | Industrial AC/DC conversion, traction systems, legacy industrial drives | N/A (Type-specific) | ❌ No (Conversion unit only) |
8502.39.00.80 |
Other generating sets: Other | General standby power, construction sites, remote areas (Diesel/Gas Gensets not specified elsewhere) | N/A | ✅ Yes (Complete Set) |
8501.31.81.00 |
DC Motors/Generators: Output ≤ 750 W | Small electronics power supplies, medical devices, micro-generation | ≤ 750 Watts | ❌ No (Component only) |
8501.61.01.00 |
AC Alternators: Output ≤ 75 kVA | Small commercial backup, residential standby, portable generators | ≤ 75 kVA | ❌ No (Generator head only) |
🔍 Key Reminder:
- 8502.40.00.00 is strictly for Rotary Converters. Do not use this for standard Diesel Gensets.
- 8502.39.00.80 is a "catch-all" for generating sets that do not fit into specific categories (like those driven by electric motors).
- 8501 series are components (motors/generators), not complete generating sets. They are often sold separately to be integrated into larger systems.
💰 Part 3: 2026 Latest Tariff Rate Breakdown (Including Surtaxes & Policy Add-ons)
✅ Applicable Country: United States (US)
✅ Origin: China (CN)
✅ Effective Time: Current rates apply (Note: Specific surtaxes for these categories vary; see analysis below)
🎯 1. 8502.40.00.00 —— Electric Rotary Converters
| Item | Content |
|---|---|
| Base Tariff | 0.0% |
| Section 301 Surtax | 0.0% (Typically, rotary converters are not subject to the standard 25% tariff on many electrical machines, but verify specific FTN codes) |
| IEEPA Add-on | 0.0% |
| Total Tax Rate | 0.0% |
| Tax Calculation | CIF Value × 0.0% = $0 |
| De Minimis Eligibility | ✅ Yes (If value < $800) |
| Legal Basis | HTSUS 8502.40.00 |
📌 Explanation:
- Rotary converters are often classified under specific subheadings that carry 0% base duty.
- Unlike many consumer electronics or specific machinery, they may be exempt from Section 301 surcharges depending on the exact functional description. Always confirm with the latest USITC ruling.
🎯 2. 8502.39.00.80 —— Other Generating Sets
| Item | Content |
|---|---|
| Base Tariff | 0.0% |
| Section 301 Surtax | 0.0% (Often exempt or low rate for general gensets) |
| IEEPA Add-on | 0.0% |
| Total Tax Rate | 0.0% |
| Tax Calculation | CIF Value × 0.0% = $0 |
| De Minimis Eligibility | ✅ Yes (If value < $800) |
| Legal Basis | HTSUS 8502.39.00 |
📌 Explanation:
- General generating sets (especially diesel gensets under 8502.39) often have 0% base duty.
- However, check if the specific model falls under any "Section 301" lists for "Electrical Machinery." Currently, data suggests 0.0% total tax for this specific code.
🎯 3. 8501.31.81.00 —— DC Generators (≤ 750 W)
| Item | Content |
|---|---|
| Base Tariff | 0.0% |
| Section 301 Surtax | 0.0% |
| IEEPA Add-on | 0.0% |
| Total Tax Rate | 0.0% |
| Tax Calculation | CIF Value × 0.0% = $0 |
| De Minimis Eligibility | ✅ Yes (If value < $800) |
| Legal Basis | HTSUS 8501.31.81 |
📌 Explanation:
- Small DC generators/motors are classified here.
- Low power output (< 750W) often qualifies for preferential or zero-duty status in many trade agreements.
🎯 4. 8501.61.01.00 —— AC Alternators (≤ 75 kVA)
| Item | Content |
|---|---|
| Base Tariff | 0.0% |
| Section 301 Surtax | 0.0% |
| IEEPA Add-on | 0.0% |
| Total Tax Rate | 0.0% |
| Tax Calculation | CIF Value × 0.0% = $0 |
| De Minimis Eligibility | ✅ Yes (If value < $800) |
| Legal Basis | HTSUS 8501.61.01 |
📌 Explanation:
- AC alternators under 75 kVA are considered smaller power units.
- Like the DC generators, these currently show 0.0% total tax in the provided data.
🛠️ Part 4: Customs Clearance Practical Advice (Battle-Tested Pitfall Guide)
✅ 1. Required Documentation Checklist (Non-Negotiable)
| Document | Mandatory? | Description |
|---|---|---|
| ✅ Technical Specifications | ✔️ | Must clearly state: Type (Rotary Converter vs. Genset), Output Power (kW/kVA/W), Voltage, Frequency, Phase. |
| ✅ Product Photos | ✔️ | Must show nameplate with model number, power rating, and any certifications. |
| ✅ Circuit Diagram (if applicable) | ✔️ | For rotary converters, diagrams help prove it is a converter and not a motor. |
| ✅ Commercial Invoice | ✔️ | Describe as "Electric Rotary Converter" or "Diesel Generator Set," NOT just "Electric Machine." |
| ✅ Certificate of Origin (CO) | ✔️ | To prove non-US origin and apply correct tariff rates. |
| ✅ FCC Certification | ✔️ | Crucial for USA. All electrical emissions equipment must have FCC ID. |
✅ 2. Declaration Tips (Key Mnemonics)
🔥 "Define the Function, Specify the Power, Don't Hide the Prime Mover!"
| Scenario | Correct Declaration | Incorrect Declaration | Consequence |
|---|---|---|---|
| Rotary Converter | "Electric Rotary Converter, AC-DC, 50kW" | "Electric Motor" | Misclassification → Potential Penalty |
| Diesel Genset | "Diesel Generator Set, 100kVA, 3-Phase" | "Generator" (Too vague) | CBP Request for Info → Delay |
| Standalone Alternator | "AC Alternator, 50kVA, No Engine" | "Generator Set" | Wrong HS Code (8501 vs 8502) |
| Small DC Generator | "DC Generator, 500W Output" | "Electric Motor" | Wrong HS Code (8501.31 vs 8501.10) |
⚠️ Warning:
- If you declare a Genset as a Rotary Converter, CBP may suspect you are evading duties or misrepresenting the product.
- If you declare a Standalone Generator as a Genset, CBP may ask for the engine details. If none are present, they will reclassify it under 8501.
✅ 3. Special Cases Handling
| Situation | Handling Advice |
|---|---|
| OEM Custom Gensets | Provide customer contract + design specs. Ensure description matches the HS Code exactly. |
| Hybrid Systems | If it includes a battery or controller, ensure the primary function (power generation) dictates the HS Code (still likely 8502 or 8501). |
| Used Equipment | Declare as "Used." Some restrictions may apply depending on age and condition. Provide proof of refurbishment if needed. |
| Parts vs. Whole | If shipping a generator head only, use 8501. If shipping the whole set (with engine), use 8502. |
🌍 Part 5: Global Market Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff (China Origin) | Certification Required | Notes |
|---|---|---|---|---|
| 🇺🇸 USA | 8502.40.00.00 / 8502.39.00.80 |
0.0% | FCC, UL (Optional but recommended) | No surtaxes currently shown for these specific codes. |
| 🇨🇳 China | 8502.40.00.00 / 8501.61.01.00 |
~0% - 10% | CCC (if applicable) | Import duties vary by specific subheading. |
| 🇪🇺 EU | 8501.31.00 / 8502.30 |
0% - 1.7% | CE, RoHS, WEEE | Low tariffs, strict environmental compliance. |
| 🇬🇧 UK | Same as EU post-Brexit | 0% - 2.5% | UKCA, CE (transitional) | Post-Brexit rules may require separate EORI. |
| 🇦🇺 Australia | 8501.31.00 / 8502.30 |
5% | RCM | Standard import GST applies. |
📌 Conclusion:
- The USA currently shows 0.0% total tax for these specific HS codes in the provided data.
- FCC Compliance is the most critical regulatory hurdle for entering the US market.
- Accurate Description is vital: "Rotary Converter" ≠ "Generator Set."
📌 Part 6: Common Errors & Pitfall Guide (Lessons Learned)
❌ Error 1: Declaring a Diesel Genset as a "Electric Motor"
👉 Consequence: HS Code 8501 vs 8502. Wrong duty rate potential → Audit Risk.
❌ Error 2: Declaring a Standalone Generator Head as a "Generator Set"
👉 Consequence: CBP requests engine details. If none exist, reclassification to 8501 → Delay + Storage Fees.
❌ Error 3: Ignoring FCC Certification for electrical equipment
👉 Consequence: CBP may block entry or require testing at port → High costs.
❌ Error 4: Vague Description: "Electric Machine"
👉 Consequence: CBP assigns highest applicable duty rate (often 5-8%) → Overpayment.
✅ Correct Practice:
"Electric Rotary Converter, Model RC-500, 50kW, 480V AC Input, 240V DC Output, New, FCC Certified"
🎯 Part 7: Conclusion: Precise Classification Saves Money & Time!
🎯 Remember the Rules:
🔹 "Rotary Converter" = 8502.40 (0% Tax)
🔹 "Genset" = 8502.39 (0% Tax)
🔹 "Small DC Gen" = 8501.31 (0% Tax)
🔹 "Small AC Alt" = 8501.61 (0% Tax)
🔹 "No FCC = No Entry!"
📌 Pro Tip:
- Even if tariffs are 0.0%, misclassification can lead to penalties or audits.
- Always include technical specs in the commercial invoice.
- If importing large quantities, consider applying for an Advance Ruling from CBP to lock in the HS Code.
📣 Immediate Action:
📞 Consult with a licensed customs broker.
📄 Ensure your product has FCC ID (if US-bound).
🚀 Ship with confidence, knowing your 0.0% tariff is secured by correct classification!
✨ Professional Clearance Starts with Accurate HS Codes!
💼 Every Zero Saved is a Profit Made!
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关于 HS 编码归类
协调制度（HS）是由世界海关组织（WCO）制定的国际贸易商品分类标准。全球 200 多个国家采用 HS 系统作为海关关税、贸易统计和进出口监管的基础。
每个 HS 编码遵循以下层级结构：
- 章（2 位）——商品大类（例如：第 84 章：机器和机械设备）
- 品目（4 位）——章内的更具体分类
- 子目（6 位）——国际通用细分，所有 WCO 成员国统一使用
- 本国细分（8-10 位）——各国自行扩展的细分编码，如美国 HTSUS 10 位编码
正确的 HS 编码归类对于顺利通关、准确缴纳关税和遵守贸易法规至关重要。错误归类可能导致海关延误、多缴关税或罚款。
从CN进口到US时，适用的关税税率可能包括：
- 最惠国（MFN）税率——适用于 WTO 成员国的标准关税税率
- 普通税率——适用于无贸易协定国家
- 贸易救济关税——附加关税，如 301 条款（反倾销）、232 条款（国家安全）或反补贴税
本页内容仅供参考。如需正式归类，请咨询当地海关或持牌报关代理。