Import Current Transformer — Buy in wholesale FOB from Supplier in China
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Current Transformer
Wuhan GDMK Electric Co., Ltd. supplies precision current transformers designed for calibration and testing of other current transformers in metrology labs and industrial testing facilities. These units operate at rated primary currents from 5A to 5000A and secondary currents of 1A or 5A, with an accuracy class of 0.05S. They are built for long-term operation under rated current and can handle currents exceeding 120A without core saturation.
The transformers are constructed with high-stability core materials and shielded windings to minimize phase and ratio errors under varying loads. They are rated for ambient temperatures between -5°C and 40°C with relative humidity up to 80%. The design follows standard calibration practices, requiring the tested transformer and standard transformer to share identical primary current. The unit must be demagnetized before each calibration cycle.
These are not general-purpose current transformers but specialized calibration standards used by power utilities, testing laboratories, and equipment manufacturers. Buyers include national metrology institutes, high-voltage test labs, and manufacturers of energy meters and protective relays. The unit requires strict adherence to wiring diagrams and load box verification prior to use. Trade terms are typically FOB Wuhan, with lead time confirmed after technical specification alignment.
| Accuracy Class | 0.05S |
| Rated Primary Current | 5A, 1A, up to 5000A |
| Rated Secondary Current | 1A, 5A |
| Operating Temperature | -5°C to 40°C |
| Relative Humidity | Up to 80% |
| Core Design | Low-hysteresis, high-permeability alloy core, typical for precision calibration standards |
| Primary Current Limit | Can operate continuously above 120A without core saturation, standard for standard CTs |
| Calibration Requirement | Must be demagnetized before use, standard procedure per IEC 60044-1 |
| Wiring Requirement | Primary winding must match the test CT's primary circuit, standard for comparative calibration |
| Secondary Protection | Secondary must never be opened during operation; shorting terminals recommended, standard safety practice |
Wuhan GDMK Electric Co., Ltd. is based in Jiangxia District Economic Development Zone, Wuhan, Hubei, China. The company is identified only by its name and address in the listing, with no information on years of operation, workforce size, certifications, or export history. There are no claims regarding ISO status, quality systems, or client references.
The supplier specializes in standard current transformers for calibration purposes, as indicated by the technical description. No mention is made of production capacity, testing equipment, or in-house metrology lab. Buyers must request calibration certificates traceable to national standards and confirm the unit’s compliance with IEC 60044-1 before import. The supplier does not state whether they provide technical support or training.
| Business Type | Supplier |
| Year Established | Recently Joined |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| Response Time | <4h |
| Response Rate | New Supplier |
Sourcing Current Transformer from Wuhan GDMK Electric Co., Ltd. - China Import Guide
Verify the accuracy class, calibration traceability, and test report validity before ordering. Confirm that the transformer meets IEC 60044-1 or IEEE C57.13 standards for calibration devices. Request the calibration certificate with uncertainty budget and test conditions. Do not accept generic 'compliance' claims without documented proof from an accredited lab.
Lead time is not specified and must be confirmed after technical review. FOB Wuhan is the default incoterm; negotiate CIF or DDP for door delivery. Payment terms are typically 50% advance, 50% against shipping documents. Packaging must include anti-vibration foam and moisture-proof wrapping. Request a packing list with serial numbers matching calibration certificates per unit.
Upon receipt, inspect for physical damage and verify serial numbers against the calibration certificate. Test insulation resistance between primary and secondary windings using a 500V Megger. Confirm that the secondary terminals are shorted during handling. Perform a ratio test against a known reference before installation. Retain all documentation for audit purposes and future recalibration.
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15 listingsTop Verified Suppliers for Current Transformer
27 suppliersBuy Current Transformer in Bulk — Verified Supplier in China
When sourcing Current Transformer for your business, securing the right balance of quality and cost is essential. Wuhan GDMK Electric Co., Ltd., a verified supplier based in China, offers this product for international export. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $77015397/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is a staple in the Electronic Transformers sector with strong demand from importing countries worldwide.
Current Transformer Specifications, Trade Terms & Pricing
Importing Current Transformer requires careful attention to shipping logistics, customs compliance, and secure payment terms. Wuhan GDMK Electric Co., Ltd. offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. 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 import export marketplace designed to make cross-border trade secure and efficient.
About Wuhan GDMK Electric Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Current Transformer 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 Electronic Transformers category and connect with top-tier exporters on our comprehensive online B2B marketplace. Start your sourcing journey today.
Import Current Transformer — Shipping, Logistics & Customs
Importing Current Transformer 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 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 Current Transformer
What is the wholesale price of Current Transformer?
The current listed wholesale price for Current Transformer from Wuhan GDMK Electric Co., Ltd. is $77015397/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 Wuhan GDMK Electric Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Current Transformer?
The supplier, Wuhan GDMK Electric Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Current Transformer. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Current Transformer?
The HS Code classification for Current Transformer depends on the specific grade and form. Contact Wuhan GDMK Electric Co., Ltd. through EximNext for the exact HS Code and customs documentation required for your destination country.
How can I import Current Transformer from China?
To import Current Transformer from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Wuhan GDMK Electric Co., Ltd.. Ensure you have the necessary import licenses for Electronic Transformers products in your destination country.
Is Wuhan GDMK Electric Co., Ltd. a verified supplier?
Yes, Wuhan GDMK 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 Current Transformer?
For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to Wuhan GDMK Electric Co., Ltd. through EximNext.
What packaging options are available for bulk orders of Current Transformer?
Wuhan GDMK Electric Co., Ltd. offers Current Transformer with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Current Transformer the most?
Current Transformer is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Wuhan GDMK Electric Co., Ltd. through our platform.
What certifications does this Current Transformer supplier hold?
Wuhan GDMK Electric Co., Ltd. maintains international quality certifications. These ensure that the Current Transformer meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Current Transformer on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Wuhan GDMK 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 Wuhan GDMK Electric Co., Ltd..
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