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Wuhan GDMK Electric Co., Ltd., based in Jiangxia District, Wuhan, China, supplies the TKJB-1200, a microcomputer relay protection tester with six-phase voltage and six-phase current outputs. This device allows flexible output combinations, including conventional four-phase current with three-phase voltage, six-phase voltage mode, six-phase current mode, and a 12-phase output mode. It is designed for testing traditional relays, modern microcomputer protection devices, and specifically transformer differential protection and backup self-switching devices.
The tester meets the technical standard DL/T624-1997 for relay protection test equipment issued by China's Ministry of Electric Power. Key features include a main control board using a DSP+FPGA structure with a 16-bit DAC, generating high-density sinusoidal waves of 2000 points per cycle to improve waveform quality and testing precision. It uses a high-fidelity linear power amplifier for accuracy across small and large current ranges, and operates via a Windows XP interface on an 8.4-inch TFT display with 800x600 resolution.
The equipment is sourced by electrical utilities, power system commissioning companies, and relay protection testing laboratories for field and laboratory verification of protective relays. It includes an independent auxiliary DC voltage source output (110V/1A and 220V/0.6A) for powering relays under test. Wuhan GDMK Electric does not list specific pricing, MOQ, or lead times on the product page, so buyers must contact the supplier to confirm these trade terms and discuss software licensing or laptop connectivity options.
| Model | TKJB-1200 |
| Output Phases | Six-phase voltage and six-phase current simultaneously |
| Max Current per Phase | 30A |
| Max Voltage per Phase | 125V |
| Max Parallel Current Output | 180A (six-phase in parallel) |
| Waveform Generation | 2000 points per cycle, 16-bit DAC |
| Control Architecture | DSP + FPGA |
| Display | 8.4-inch TFT, 800x600 resolution |
| Operating System | Windows XP (with system recovery) |
| Compliance Standard | DL/T624-1997 (typical Chinese power industry standard) |
| Auxiliary DC Source | 110V (1A) and 220V (0.6A) |
| Connectivity | USB interface for PC communication |
Wuhan GDMK Electric Co., Ltd. is an electrical test equipment manufacturer located in the Jiangxia District Economic Development Zone, Wuhan, China. The supplier's trust tier is 'harbor' on the platform, and the profile shows a response rate of 0.00% with an average response time of 0 hours. This indicates that initial contact may require patience, and buyers should follow up if they do not receive a prompt reply.
The company's product focus, as shown in this listing, is on microcomputer relay protection testers and related power system test equipment. The listing provides detailed technical specifications and compliance information but does not include details about the company's history, size, export experience, or list of clients. All information presented is based strictly on the provided product description and supplier profile data.
| 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 |
Before purchasing the TKJB-1200 relay protection tester from Wuhan GDMK Electric in China, verify the exact model specifications and confirm that the output ranges (30A/125V per phase) meet your testing requirements. Request detailed technical documentation, including the full user manual and calibration certificates. Clarify the software version, language support (the interface is described as Windows XP), and whether firmware updates are available.
Discuss all commercial and logistics terms with the supplier. Confirm the unit price, MOQ (likely one unit for such equipment), and available payment methods. Specify the required Incoterms (e.g., FOB Wuhan, CIF to your port) and get a clear estimate of production lead time and shipping duration. For high-value electronic test equipment, consider requesting a pre-shipment inspection or factory acceptance test (FAT) protocol to be agreed upon before final payment.
Upon delivery, conduct a thorough incoming inspection. Check the physical condition of the unit for shipping damage. Verify the accessory list against the packing slip (e.g., test leads, USB cable, power cord). Perform a basic functional test using a known relay to confirm the device powers on, the software loads correctly, and the outputs are responsive. Retain all packaging until the initial tests are successfully completed.
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Importing 1200 Six Phase Universal 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).
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The supplier, Wuhan GDMK Electric Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for 1200 Six Phase Universal. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
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For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to Wuhan GDMK Electric Co., Ltd. through EximNext.
Wuhan GDMK Electric Co., Ltd. offers 1200 Six Phase Universal with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
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Wuhan GDMK Electric Co., Ltd. maintains international quality certifications. These ensure that the 1200 Six Phase Universal meets international quality, safety, and regulatory standards required for cross-border trade.
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.
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