Three-Phase Microprocessor Relay Test Set
Professional portable secondary current injection test set designed for verification and calibration of relay protection devices in power systems.
Product Overview
The SXJB series Three-Phase Microprocessor Relay Test Set is an intelligent testing instrument equipped with high-performance industrial control computer and high-speed digital signal processor. It integrates multiple test functions to meet comprehensive relay protection testing requirements.
Key Features
- Comprehensive test functions including AC/DC tests, power direction tests, impedance tests, differential tests, and synchronization tests
- High-precision output with AC current/voltage accuracy of ±0.2% and DC current/voltage accuracy of ±0.5%
- Intelligent operation with 6.4" TFT true-color LCD touchscreen and Windows-based operating system
- Flexible output modes supporting 3-phase/6-phase/12-phase voltage and current output with harmonic superposition
- Reliable safety protections including overheating, overcurrent, overvoltage, and short-circuit protections
- Convenient data management with on-site storage for up to 1000 test groups and USB data transmission
Technical Specifications
| Technical Indicator |
Specific Parameters |
| AC Current Output |
Phase current: 0~40A (RMS)
3-phase parallel: 0~120A (RMS)
Long-time phase current: 10A
Max output power: 450VA (phase) 900VA (3-phase parallel) |
| DC Current Output |
Phase current: 0~±10A
3-phase parallel: 0~±30A
Output precision: 0.5% |
| AC Voltage Output |
Phase voltage: 0~120V (RMS)
Line voltage: 0~240V (RMS)
Output precision: 0.2%
Max output power: 80VA (phase), 100VA (line) |
| DC Voltage Output |
Phase voltage: 0~±160V
Line voltage: 0~±320V
Output precision: 0.5%
Max output power: 70VA (phase), 140VA (line) |
| Frequency Range |
Fundamental frequency: 0~1000Hz
Harmonic order: 0~20 |
| Digital I/O |
10 channels digital input
8 channels digital output (relay dry contact, DC 220V/0.2A, AC 220V/0.5A) |
| Time Measurement |
Range: 0.1ms~9999s
Accuracy: <0.1ms |
| Display |
6.4" TFT true-color LCD touchscreen |
| Power Supply |
AC 220V±10% 50Hz/60Hz |
| Auxiliary DC Power Output |
110V/220V two gears, rated current 1.5A |
| Working Environment |
Temperature: 0~50℃
Relative humidity: <85% (no condensation) |
About Sansion Power Electric
Established in 2005, Sansion Power Electric brings over 20 years of expertise in R&D, manufacturing, and marketing of power electrical testing products. Our solutions serve diverse industries including power electric, railroad, energy conservation, environment protection, water conservancy, petrochemical industry, and aerospace.
Our facility includes R&D department, instruments manufacturing workshop, HV workshop, sample exhibition room, HV testing laboratory, quality control department, and employs over 80 staff including 20 technical engineers. We maintain ISO9001 quality system certification and all products conform to international IEC and Chinese state standards.
Main Product Lines
HV Hipot Test Set System, Transformer Test Equipment, HV Switchgear Test Set, Relay Protection Tester, CT/PT Tester, SF6/Oil Tester, Transmission Line Test System, Insulation Resistance Tester, Earth Resistance Tester
Quality Certifications
Sansion Power Electric maintains ISO9001 quality system certification and all products strictly conform to international IEC or Chinese state standards. Our comprehensive quality control ensures reliable performance across all testing equipment.
Global Reach
Located in Wuhan City, China, Sansion Power serves customers worldwide with efficient shipping by air or ocean. We provide OEM services and custom solutions to meet specific requirements. Our products have been successfully exported to the United States, France, Brazil, Australia, Spain, Portugal, Oman, Russia, the Netherlands, Indonesia, Bangladesh, Saudi Arabia, Chile, Colombia, Panama, Malaysia and other countries.
Frequently Asked Questions
Q1: Is your company a sales company or a manufacturer?
Sansion Power Electric Co., Ltd. is an industrial and trade enterprise with its own factory, self-produced and self-sold. Founded in 2005, we have twenty years of production experience with reliable production lines, test rooms and R&D centers.
Q2: Whether the goods are in stock, whether they can be customized, and how long the delivery time is?
We manufacture to order according to customer requirements using the latest technology. Delivery time is typically within 10 working days under normal circumstances.
Q3: Is the quality guaranteed?
We use imported components and conduct three quality inspections before shipment. All exports are packed in non-fumigation wooden boxes to ensure product integrity.
Q4: What are the after-sales terms?
We offer free consulting service, one year warranty, and comprehensive support through email communication, video calls, and on-site technical assistance to resolve any after-sales issues promptly.
Q5: What are the cooperative countries or regions?
Our products have been successfully exported to the United States, France, Brazil, Australia, Spain, Portugal, Oman, Russia, the Netherlands, Indonesia, Bangladesh, Saudi Arabia, Chile, Colombia, Panama, Malaysia and other countries and regions.
Q6: In which fields can your product be applied?
Our services span key industries including Power, Railway, Energy Conservation & Environmental Protection, Water Conservancy, Petrochemicals, and Aerospace. Many products incorporate advanced international technologies and have consistently excelled in national high-voltage testing competitions.
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