Import 250a Modular Rectifier 50-750vdc Battery Charger — Buy in wholesale FOB from Supplier in China
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250A Modular Rectifier 50-750VDC Battery Charger
The 250A modular rectifier battery charger from Zhejiang Sandi Electric is engineered for electric vehicle charging stations, delivering a 250A output across a 50 to 750 VDC range. This single-phase, non-neutral conductor AC input unit features high conversion efficiency, superior power density and low harmonic distortion, making it suitable for stable grid integration in industrial EVSE infrastructure and distributed charging networks. The module supports parallel redundancy configurations for mission-critical applications, such as fleet depot installations.
Key technical features include hot-plug technology for convenient installation and maintenance, with modules designed to integrate without disturbing the system’s output voltage. Advanced current sharing technology ensures automatic load balancing within 10 seconds, with an unbalance degree of less than ±0.5A under constant voltage mode. The module operates in two modes, with output voltage ranges of 50 to 750 VDC and a minimum regulation step of 0.1 VDC, controlled via an external monitoring module.
The charger is built with semiconductor power devices, copper busbars and aluminium heat sinks for efficient thermal management. Protection features include input overvoltage and undervoltage protection, output overvoltage protection (default 778 VDC), over-temperature protection (80°C environmental, 100°C DC panel shutdown), internal bus fault protection and short-circuit protection. Buyers include EV charging network operators, industrial facility managers and fleet operators requiring reliable, high-power charging solutions.
| Model | SANDI 250A Modular Rectifier Charging Module |
| Output Current | 250A |
| Output Voltage Range | 50 to 750 VDC |
| Input Type | Single-phase non-neutral conductor AC |
| Maximum Output Power | 20 kW at rated input voltage |
| Input Voltage Range for Max Power | 360 to 450 Vac (return difference < 5V) |
| Input Voltage Range for Limited Power | 260 to 320 Vac |
| Current Sharing Unbalance | < ±0.5A within 10 seconds |
| Output Voltage Regulation Step | 0.1 VDC |
| Overvoltage Protection Point | 260 to 770 VDC ±10 VDC (default 778 VDC) |
| Over-Temperature Protection Point | 80°C environmental, 100°C DC panel |
| Cooling Method | Fan-controlled, speed regulated by internal temperature and output current |
| Typical Efficiency | ≥ 94% typical for high-power modular rectifiers |
| Harmonic Distortion | THD < 5% typical for low harmonic designs |
Zhejiang Sandi Electric Co., Ltd. is based in Yueqing Economic Development Zone, Zhejiang Province, China, with a registered address at Building 13-2 Botong Huigu, No. 66 Binhai South Four Road. The company specialises in electronics assembly, including semiconductor power devices, copper busbars and aluminium heat sinks, with a focus on high-efficiency power solutions for industrial and EV charging applications.
The supplier’s trust tier is classified as harbor, indicating a verified operational presence. However, current response metrics show a 0.00% response rate and no recorded average response time, so buyers should proactively initiate contact to confirm technical specifications, lead times and customisation options. The company’s product line includes modular rectifiers and chargers designed for scalability and redundancy in demanding environments.
The SANDI 250A modular rectifier charging module is engineered for electric vehicle charging station deployment, delivering 250A output across a wide 50-750VDC range. This single-phase non-neutral conductor AC input unit features high conversion efficiency, superior power density, and low harmonic distortion for stable grid integration. Widely adopted in industrial EVSE infrastructure, distributed charging networks, and fleet depot installations, it supports parallel redundancy configurations for mission-critical charging applications.
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Sourcing 250A Modular Rectifier 50-750VDC Battery Charger from Zhejiang Sandi Electric Co., Ltd - China Import Guide
Before ordering, verify the module’s output current and voltage ranges, as well as its compatibility with your charging infrastructure. Request documentation such as test reports for efficiency, harmonic distortion and protection mechanisms to ensure the module meets your performance requirements. Confirm that the supplier can provide certificates of compliance with relevant standards, such as IEC 61000 for electromagnetic compatibility.
Logistics details to confirm include the module’s dimensions and weight for shipping, as well as the supplier’s preferred Incoterms (e.g., FOB, CIF). Lead times may vary depending on customisation and production schedules, so clarify these upfront. Payment terms, such as letters of credit or advance payments, should also be agreed upon to avoid delays.
Quality checks should include functional testing of the module under load to verify its output current, voltage regulation and protection mechanisms. Inspect the physical condition of the module for any damage during shipping, and ensure all documentation, including user manuals and test reports, is complete. For mission-critical applications, consider arranging third-party inspection or factory acceptance testing (FAT) before shipment.
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30 suppliersBuy 250a Modular Rectifier 50 in Bulk — Verified Supplier in China
When sourcing 250a Modular Rectifier 50-750vdc Battery Charger for your business, securing the right balance of quality and cost is essential. Zhejiang Sandi Electric Co., Ltd., a verified supplier based in China, offers this product with key specifications including SANDI SERIES Modular Rectifier, 250A, and 50-750VDC. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $15000/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 8504.40, making it a staple in the Batteries & Chargers sector with strong demand from importing countries worldwide.
250a Modular Rectifier 50 Specifications, Trade Terms & Pricing
Importing 250a Modular Rectifier 50 requires careful attention to shipping logistics, customs compliance, and secure payment terms. Zhejiang Sandi Electric Co., Ltd. offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. To ensure a smooth transaction, buyers should verify import duties for HS Code 8504.40 in their destination country. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading online B2B marketplace designed to make cross-border trade secure and efficient.
About Zhejiang Sandi Electric Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this 250a Modular Rectifier 50 has been verified on our platform. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of verified manufacturers and exporters across 200+ countries. Explore similar products in the Batteries & Chargers category and connect with top-tier exporters on our comprehensive B2B marketplace. Start your sourcing journey today.
Import 250a Modular Rectifier 50 — Shipping, Logistics & Customs
Importing 250a Modular Rectifier 50 requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties for HS Code 8504.40 in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
Frequently Asked Questions About 250a Modular Rectifier 50
What is the wholesale price of 250a Modular Rectifier 50-750vdc Battery Charger?
The current listed wholesale price for 250a Modular Rectifier 50-750vdc Battery Charger from Zhejiang Sandi Electric Co., Ltd. is $15000/Bags on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Zhejiang Sandi Electric Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for 250a Modular Rectifier 50?
The supplier, Zhejiang Sandi Electric Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for 250a Modular Rectifier 50. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for 250a Modular Rectifier 50-750vdc Battery Charger?
For international shipping and customs clearance, 250a Modular Rectifier 50-750vdc Battery Charger is classified under HS Code 8504.40. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import 250a Modular Rectifier 50 from China?
To import 250a Modular Rectifier 50 from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Zhejiang Sandi Electric Co., Ltd.. Ensure you have the necessary import licenses for Batteries & Chargers products in your destination country.
Is Zhejiang Sandi Electric Co., Ltd. a verified supplier?
Yes, Zhejiang Sandi Electric Co., Ltd. is a verified supplier on EximNext. You can view their complete company profile, business registration details, certifications, and export history before placing a bulk order.
What are the key specifications of 250a Modular Rectifier 50-750vdc Battery Charger?
The key specifications for 250a Modular Rectifier 50-750vdc Battery Charger supplied by Zhejiang Sandi Electric Co., Ltd. include SANDI SERIES Modular Rectifier, 250A, and 50-750VDC. For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to the supplier through EximNext.
What packaging options are available for bulk orders of 250a Modular Rectifier 50?
Zhejiang Sandi Electric Co., Ltd. offers 250a Modular Rectifier 50 with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import 250a Modular Rectifier 50 the most?
250a Modular Rectifier 50 is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Zhejiang Sandi Electric Co., Ltd. through our platform.
What certifications does this 250a Modular Rectifier 50 supplier hold?
Zhejiang Sandi Electric Co., Ltd. maintains international quality certifications. These ensure that the 250a Modular Rectifier 50 meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for 250a Modular Rectifier 50-750vdc Battery Charger on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Zhejiang Sandi Electric Co., Ltd. will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
What payment methods are accepted?
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with Zhejiang Sandi Electric Co., Ltd..
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