I.Introduction
The Relay Protection Microcomputer Test Device is a critical tool for ensuring the reliable and safe operation of electrical power systems. It is widely used in professional fields such as microcomputer protection, relay protection, excitation measurement, and fault recording. This device provides accurate and efficient testing capabilities for various relay protection applications.
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II.Main Features
Standard output of 4-phase voltage and 3-phase current
Convenient standalone operation
Dual operation model with computer connectivity
Advanced software functionality
Rich switch contact quantity
Large LCD screen display
Self-protection features
Independent DC power output
Cost-effective solution
III.Technical Data
3 Phase Relay Protection Tester | |
Alternating Current Output: |
 |
Output accuracy |
0.5 magnitude |
Phase current output (effective value) |
0~40A |
Three parallel phase current output (effective value) |
0~120A |
Phase current value with long time under permission (effective value) |
10A |
Phase current maximum power output |
420VA |
Three parallel phase current maximum power output |
900VA |
Three parallel phase current maximum work time |
10s |
Frequency range (base wave) |
20~1000Hz |
Harmonic frequency number |
1~20 time(s) |
Direct Current Output: |
 |
Output accuracy |
0.5 magnitude |
Current output |
0~±10 A/each phase, 0~±30 A/every three parallel |
Maximum output of load voltage |
20v |
Alternating Voltage Output: |
 |
Output accuracy |
0.5 magnitude |
Phase voltage output (RMS) |
0~120v |
Line voltage output (RMS) |
0~240v |
Phase voltage/line voltage power output |
80VA/100VA |
Frequency range (base wave) |
20~1000Hz |
Harmonic frequency number |
1~20 time(s) |
Direct voltage output: |
 |
Output accuracy |
0.5 magnitude |
Phase voltage output amplitude |
0Â ~Â +160v |
Line voltage output amplitude |
0Â ~Â +320v |
Phase voltage/line voltage power output |
70VA/140VA |
The Switch Quality and Time Measurement |
 |
Switch parameters input - 7 ways |
Empty contact: 1~20mA, 24v |
Power contact access:"0": 0~+6V;"1": +11V~+250V | |
Switch parameters output - 2 couples |
DC: 220V/0.2A;AC: 220V/0.5A |
Measuring range |
0.1ms ~ 9999s |
measuring accuracy |
0.1ms |
Volume and weight |
 |
Appearance and size |
400×300×180 (mm) |
Weight of a single machine |
22kg |
Supply power |
AC 220V±10%,50/60Hz |
Environmental temperature |
-10ºC~ +50ºC |

IV.Company Information
HuaZheng Electric Manufacturing (Baoding) Co., Ltd. is a supplier to the State Grid in China. This means we are a trusted supplier to the Chinese Government. Our products are distributed throughout China and have gained a strong reputation in the market.
Additionally, our customers come from countries like the United States, England, Bulgaria, Brazil, Chile, Malaysia, Vietnam, and many others.
Our main products include Safety Products, Insulation Oil Testers, Cable Fault Locators, Power Quality Analyzers, High Voltage Generators, High Voltage Capacitors, and Testing Transformers, among others.

V. Our Services
1. Excellent after-sales service: Any small issue will be resolved promptly;
2. We have many years of experience and specialize in fasteners;
3. Specifications list is available upon request;
4. Welcome to send inquiries; we will respond soon. If you want to know more, feel free to contact us;
5. Prompt shipment with professional documents;
6. Packing according to your request, with photos before shipment;
7. High quality and competitive price;
8. All product quality is strictly controlled and we offer excellent service;
9. Our products are now known by many domestic and overseas clients.
VI.Customer Visit

VII.Exhibition

VIII.Similar Recommendation

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