Powered by Made-in-China.com
Three Phase Microcomputer Relay Protection Tester for Substation Protection
US$11,650.00
1-2 sets
US$8,640.00
3+ sets
Product profile
Customization
AvailableAfter-sales Service
YesWarranty
1 YearModel NO.
KDJB-S903Type
3 Phase Relay TesterPhase
0--360 °AC Voltage
0 ~ 120VTime Measurement
1ms ~ 9999sHarmonic Time
2--20 TimesOutput Accuracy
0.5magnitudeCustomized Support
OEM, ODMName
Relay Protection TesterAC Output
0~40AFrequency
20 ~ 1000HzPower
ElectronicDC Voltage
0 ~ +160VTransport Package
Carton or Wooden CaseTrademark
KDZDOrigin
Hubei, ChinaHS Code
9030332000Production Capacity
200Key features
OEM and ODM Support: Customized support available for OEM and ODM services.
Multi-Function Testing: Integrates AC/DC current and voltage sources with switching terminal tests.
Harmonic Analysis: Supports harmonic orders from 2 to 20 times for comprehensive analysis.
Robust Switching Terminals: 8 pairs of switch input terminals and 4 pairs of output terminals included.
Long Working Time: 10A working current supports operation for more than 60 minutes.
Compact and Portable: Dimensions 328 x 168 x 250mm, weight approx. 12.5Kg for easy transport.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs CertifiedExport Year: 5 Years CertifiedNearest Port: Shenzhen Port.Wuhan Port.Shanghai Port.Guangzhou Port.Average Response Time: ≤1.52h
AI-Powered supplier vetting
SummaryThe supplier demonstrates documented quality, environmental, occupational-safety, service-management, and corrective-action practices. It offers OEM and ODM services, has reported new products within the past year, provides broad customization, and has valid manufacturing contracts with affiliated subcontractors. Export activity, self-operated import/export rights, multiple port options, and stated lead times indicate established international service capability. However, it does not provide 3D software design, has no in-stock service, overseas warehouse, or overseas showroom capability, and the evidence does not establish detailed production scale or financial strength. Customer references are limited to stated export destinations and general customer praise.
Supplier typeThe supplier provides manufacturing and assembling-related services, supports OEM and ODM arrangements, and maintains valid contracts with affiliated subcontractors. It also has self-operated import/export rights, while no evidence identifies it as a trading-only supplier.
CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, and ISO14001 certifications, covering quality management, occupational health and safety, and environmental management. These are explicit certifications relevant to supplier qualification.
After-Sales capabilityThe supplier states that it provides comprehensive pre-sale, in-sale, and after-sales service, and it has written procedures and records for service capability assessment, corrective and preventive action, and complaint handling. The evidence supports a documented after-sales process, although it does not quantify response or resolution performance.
R&D capabilityThe supplier reports new products within the past year, offers ODM services, and has an available SDK. These points provide explicit evidence of product-development capability, although the supplier does not provide 3D software design services.
Production capacityThe supplier has an assembling line, two quality assurance and quality control inspectors, standardized finished-product inspection instructions, valid manufacturing contracts with affiliated subcontractors, and stated lead times within 15 workdays in both peak and off-seasons. It lacks in-stock capacity, overseas warehouses, and overseas showrooms, but those limitations do not negate the evidenced manufacturing and delivery capabilities.
Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, minor customization, and flexible customization, and also offers OEM and ODM services. This indicates broad product customization capability; the separate lack of 3D software design services is a specific limitation rather than evidence against general customization.
Client casesThe supplier states that its products are exported to Australia, Russia, India, Pakistan, Vietnam, and other countries, and reports customer praise. These are evidence of international market exposure, but no named customer cases, project details, or independently verifiable references are supplied.
Product Q&A
Q:What is the warranty period for this tester?
A:
The product comes with a 1-year warranty.
Q:Can I customize this relay protection tester?
A:
Yes, we offer OEM and ODM customized support for this product.
Q:What is the maximum output current per phase?
A:
The single phase current output effective value is 0-30A per phase.
Q:Does the device support harmonic analysis?
A:
Yes, it supports harmonic orders from 2 to 20 times.
Q:What are the dimensions and weight of the unit?
A:
The volume is 328 x 168 x 250mm3, and the weight is approximately 12.5Kg.
Send Inquiry
*To:
Wuhan Kaidi Zhengda Electric Co., Ltd.
Wuhan Kaidi Zhengda Electric Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
Electrical Power Systems Smart Substation 3 Phase Microcomputer Secondary Current Injection Relay Protection Tester
US$1,930.00-2,143.00
1 Set(MOQ)
Six-Phase Transformer Tester for Efficient Relay Protection Solutions
US$5,000.00-8,000.00
1 Piece(MOQ)
Three-Phase / Six-Phase Relay Protection Tester Relay Test Set
US$4,200.00
1 Piece(MOQ)
Cost-Effective Six Phase Relay Protection Tester for Professionals
Negotiable
1 Piece(MOQ)
Advanced Haomai 702 Three-Phase Relay Tester for Protection
US$2,200.00-2,800.00
1 Piece(MOQ)
Portable & Intelligent Three Phase Relay Protection Tester Secondary Injection Kit for CT/Relay Calibration
US$3,300.00-4,200.00
1 Piece(MOQ)
Advanced Six Phase Relay Tester for High Accuracy Protection
Negotiable
1 Piece(MOQ)
Smart Digital Screen Three-Phase Relay Tester Relay Test Set Relay Protection Tester for Relay Protection Test
US$2,800.00-3,500.00
1 Piece(MOQ)
Microcomputer 3 Phase Secondary Current Injection Protection Relay Tester for Substation
US$1,930.00-2,143.00
1 Set(MOQ)
Three Phase Relay Protection Tester Secondary Injection Test Set with High Standard
US$3,000.00
1 Piece(MOQ)
Three Phase Relay Test Kit Relay Protection Tester for Real-Time Storage Test Data
US$2,299.00-3,599.00
1 Piece(MOQ)
Portable Three-Phase Relay Tester for Field Service and On-Site Troubleshooting in Substations
US$2,140.00-2,999.00
1 Piece(MOQ)
Relay Protection Tester for Electrical Substation Maintenance and Transformer Differential Relay Testing
US$1,930.00-2,143.00
1 Set(MOQ)
Three-Phase Relay Protection Tester with Microcontroller for Substation Commissioning
US$2,000.00-4,200.00
1 Piece(MOQ)
Digital Protection Relay Tester Manufacturer Three Phase Microcomputer Secondary Injection High Quality and Inexpensive
US$2,299.00-3,599.00
1 Piece(MOQ)
Six-Phase Relay Protection Tester for High-Voltage Substation Testing
US$3,300.00-4,200.00
1 Piece(MOQ)
Universal Portable Microcomputer 3 Phase Secondary Current Injection Protection Relay Tester
US$999.00-2,999.00
1 Set(MOQ)
Eprp-204 Three Phase Relay Tester Triphase Microcomputer Relay Protection Tester
US$1,299.00-4,890.00
1 Set(MOQ)



















