Import Transformer Standard Current Tester — Buy in wholesale FOB from Supplier in China
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Transformer Standard Current Tester
The Transformer Standard Current Tester supplied by Wuhan GDMK Electric Co., Ltd. is a single‑phase 50 Hz current source designed for commissioning and verifying current transformers in power systems. It delivers a rated capacity of 20 kVA and weighs 75 kg, allowing continuous operation at the rated current with an allowable overload of 1.5 times for up to 30 minutes. The unit incorporates electrolytic copper windings of 99.9 % purity, a laminated steel core and high‑grade insulation materials. Input voltage is 220 V AC and the output winding is rated below 100 A.
The construction follows common practice for laboratory‑grade current source equipment, where copper purity above 99 % ensures stable conductivity and the steel core provides low magnetic loss. Typical current‑source testers of this class are rated for accuracy within ±0.5 % and are housed in enclosures with an IP54 protection level. They are designed to operate in ambient temperatures from - 10 °C to +40 °C and to tolerate short‑term overloads of 1.5 times for half an hour, matching industry standards for utility testing gear.
Primary users include electrical laboratories, utility commissioning teams and power‑system maintenance contractors who need to simulate primary currents for relay protection checks and metering verification. The equipment is shipped on a pallet with protective bracing and can be moved on‑site using built‑in casters. MOQ, pricing and delivery terms are disclosed on request, and buyers should confirm incoterms, payment schedule and any required calibration certificates before finalising the order.
| Capacity | 20 kVA (as specified) |
| Weight | 75 kg (as specified) |
| Input Voltage | 220 V AC (as specified) |
| Output Current Rating | < 100 A (as specified) |
| Overload Capability | 1.5 times for 30 min (as specified) |
| Frequency | 50 Hz (as specified) |
| Accuracy Class | typical ±0.5 % |
| Enclosure Protection | typical IP54 |
| Operating Temperature Range | typical - 10 °C to +40 °C |
| Power Supply Type | typical single‑phase AC |
Wuhan GDMK Electric Co., Ltd. is located in the Jiangxia District Economic Development Zone, Daqiao New District, Huangjiahu Avenue, Wuhan, China, postal code 430200. The supplier carries a harbor trust tier and currently shows a 0 % response rate with no recorded average response time, indicating that enquiries should be followed up promptly. The company’s profile highlights its capability to produce custom current‑source equipment for power‑system applications.
According to the listing, the current tester can be customised for output current levels beyond the standard below‑100 A rating, and the unit is equipped with castors for easy relocation during on‑site commissioning. Production facilities focus on high‑grade insulation materials and precision copper winding processes, aligning with the technical demands of utility and industrial customers. The supplier does not publish additional corporate history, employee numbers or client references.
This Standard Current Transformer Tester serves as a precision single-phase 50Hz current source for verifying and commissioning current transformers in power systems. Featuring high-accuracy electrolytic copper windings and advanced insulation class materials, it supports accurate ratio and phase angle testing for relay protection, metering, and fault current simulation applications. Essential for electrical laboratories, power grid commissioning, and quality control inspection in industrial and utility environments.
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Sourcing Transformer Standard Current Tester from Wuhan GDMK Electric Co., Ltd. - China Import Guide
Before placing an order, verify the tester’s capacity, overload rating and any required calibration certificates. Ask the supplier to provide the latest type‑test report, insulation class certification and details of any optional output‑current configurations. Confirm that the equipment complies with the safety standards applicable in the destination country.
The unit weighs 75 kg and is shipped on a reinforced pallet with protective bracing; buyers should arrange freight that can handle the weight and dimensions, and confirm the preferred Incoterm (e.g., FOB, CIF). Payment terms are typically negotiated per transaction; request a pro‑forma invoice that outlines the agreed schedule. Because the supplier’s response rate is currently low, keep communication channels open to avoid delays.
Arrange an independent inspection or factory acceptance test to confirm the copper purity, insulation quality and functional performance before loading. Request test certificates such as IEC 61850 compliance or any relevant national standards. Ensure that the shipping documents include a detailed specification sheet, CE marking (if applicable) and a declaration of conformity for smooth customs clearance.
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30 suppliersBuy Transformer Standard Curr in Bulk — Verified Supplier in China
When sourcing Transformer Standard Current Tester 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 with key specifications including Standard Class / Instrument Transformer Tester, 50Hz Single Phase, and 0.1 to 0.5 (IEC 61869 Standard). 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 actively traded under HS Code 9030.89, making it a staple in the Electric Components sector with strong demand from importing countries worldwide.
Transformer Standard Curr Specifications, Trade Terms & Pricing
Importing Transformer Standard Curr 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. To ensure a smooth transaction, buyers should verify import duties for HS Code 9030.89 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 B2B 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 Transformer Standard Curr 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 Electric Components category and connect with top-tier exporters on our comprehensive global B2B marketplace. Start your sourcing journey today.
Import Transformer Standard Curr — Shipping, Logistics & Customs
Importing Transformer Standard Curr 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 9030.89 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 Transformer Standard Curr
What is the wholesale price of Transformer Standard Current Tester?
The current listed wholesale price for Transformer Standard Current Tester 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 Transformer Standard Curr?
The supplier, Wuhan GDMK Electric Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Transformer Standard Curr. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Transformer Standard Current Tester?
For international shipping and customs clearance, Transformer Standard Current Tester is classified under HS Code 9030.89. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Transformer Standard Curr from China?
To import Transformer Standard Curr from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Wuhan GDMK Electric Co., Ltd.. Ensure you have the necessary import licenses for Electric Components 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 Transformer Standard Current Tester?
The key specifications for Transformer Standard Current Tester supplied by Wuhan GDMK Electric Co., Ltd. include Standard Class / Instrument Transformer Tester, 50Hz Single Phase, and 0.1 to 0.5 (IEC 61869 Standard). 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 Transformer Standard Curr?
Wuhan GDMK Electric Co., Ltd. offers Transformer Standard Curr with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Transformer Standard Curr the most?
Transformer Standard Curr 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 Transformer Standard Curr supplier hold?
Wuhan GDMK Electric Co., Ltd. maintains international quality certifications. These ensure that the Transformer Standard Curr meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Transformer Standard Current Tester 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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