High-Performance Current and Voltage Tester for Relay Protection
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Product Highlights
- 6-Phase Output Capability: Outputs 6x0...40A current and 6x0...150V voltage for comprehensive relay testing.
- Built-in GPS Synchronization: Enables end-to-end testing across different substations with synchronized timing.
- High Power Output: Delivers up to 1x1000VA at 240A for testing high-burden electromechanical relays.
- Standalone Operation: Features embedded industrial PC with 10.4' LCD, mouse, and keyboard for local use.
- High Accuracy Grade: Achieves 0.1% accuracy for AC and 0.2% for DC measurements with 1mA/mV resolution.
- Flexible Customization: Offers full, minor, and flexible customization options based on samples or designs.
- ISO Accredited Testing: Passed Type Test and calibration at ISO/IEC 17025 accredited laboratories.
- Comprehensive Warranty: Includes 3-year warranty coverage for mechanical and functional defects.
Product Attributes
- Customization
- Available
- After-sales Service
- on-Line Techinical Support
- Warranty
- 3 Years
- Model NO.
- Relaystar-1600E
- Max Diameter of Workpiece
- <500mm
- Mass Scope of Workpiece
- <900kg
- Type
- Electric Power Tester
- Maxcapacity
- Electric Power Tester
- Accuracy Grade
- 0.1%
- Load Way
- Electronic Load
- Loading Method
- Dynamic Load
- Display
- Digital
- Control
- Computer Control
- Weight
- 0-100Kg
- Power Source
- AC220V
- Oil Cylinder Position
- No
- Output
- Max 120V/30A Per Phase
- Frequncy
- DC--3000Hz
- AC Accuracy
- 0.1%
- Resolution
- 4 Ma
- Digital Input
- 10 *10-250VDC or Free Contact
- Digital Output
- 8*AC(0.5A,250V) / 8 * DC(0.5A,60V)
- PC Control
- Available
- Transport Package
- Standard Export Wooden Package
- Specification
- 420*360*210
- Trademark
- Relaytestar
- Origin
- China
- HS Code
- 903033900
- Production Capacity
- 100px/Week
- Package Size
- 40.00cm * 60.00cm * 80.00cm
- Package Gross Weight
- 35.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
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Product Description
Haomai Six-Phase Relay Tester for CSC Relay Testing in 35kV Substations
Model: RELAYSTAR-1600E

Descriptions
The RELAYSTAR-1600 is multipurpose 6-phase protection relay test system for testing all generations and types of protection relays, which can output 6-phase current(6x0…40A) and 6-phase voltage (6x0…150V).
The RELAYSTAR-1600 is an excellent choice when you want higher current and power output(6x0…40A, 6x300VA; 1x0…240A, 1x1000VA) for testing high-burden electromechanical relays.
The RELAYSTAR-1600 can be operated without a PC. It combines embedded industrial PC, 10.4" full color TFT LCD screen, built-in mouse and keyboard for easier local operation.
High Power 6-phase protection relay test system RELAYSTAR-1600 can be synchronized to perform end-to-end testing with the test sets allocated in different substations through its in-built GPS.
Main Features
1) 6-phase current(6×40A) + 6-phase voltage(6×150V) output
2) Embedded industrial PC with 10.4" LCD screen
3) Operates with or without a PC
4) High performance amplifiers
5) Higher power output: 1x1000VA@240A
6) End to end test with in-built GPS
7) Excellent RELAYSTAR software for local and remote PC test
Current Generator
| Setting Range |
6-Phase AC(L-N) |
6x0…40A |
|
3-Phase AC(L-N) |
3x0…80A |
|
|
1-Phase AC(LL-LN) |
1x0…240A |
|
|
DC(L-N) |
6x0…±20 A |
|
|
Power |
6-Phase AC(L-N) |
6x300VA At 40A |
|
3-Phase AC(L-N) |
3x450VA At 80A |
|
|
1-Phase AC(LL-LN) |
1x1000VA At 240A |
|
|
DC(L-N) |
6x120VA At 20A |
|
|
Accuracy |
AC: ±1mA(≤0.2A), ≤0.1% (0.2~40A) |
|
|
DC: ±5mA(0.2~0.5A), ≤0.2% (0.5~20A) |
||
|
Resolution |
1mA |
|
Voltage Generator
| Setting Range |
6-Phase AC(L-N) |
6x0…150V |
|
3-Phase AC(L-N) |
3x0…300V |
|
|
DC(L-N) |
6x0…±175V |
|
|
Power |
6-Phase AC(L-N) |
6x80VA At 150V |
|
3-Phase AC(L-N) |
3x100VA At 300V |
|
|
DC(L-N) |
6x80VA At 175V |
|
|
Accuracy |
AC: ±2mV(0.2~2V), ≤0.1% (2~150V) |
|
|
DC: ±10mV (0.5~5V), ≤0.2% (5~175V) |
||
|
Resolution |
1mV |
|
Auxiliary DC Supply
| Voltage Range |
110V/220V(Max.1.5A) |
|
Power |
Max.165VA/330VA |
Binary Inputs
| Number |
10 |
|
Input Characteristics |
Idle Contact Or Potential-Free Contact |
|
Threshold Characteristics |
"0":0~6V; "1":12V~250V |
|
Max. Measuring Time |
999999.999s |
|
Time Accuracy |
±1ms |
|
Time Resolution |
1ms |
Binary Outputs
| Number |
8 |
|
Type |
Idle Contact |
|
Break Capacity |
250VAC/0.5A, 250VDC/0.2A |
In-built Monitoring and Recording
| Monitoring |
Currents And Voltage Outputs |
|
Recording |
Analog Outputs, Binary Inputs/Outputs Status |
|
Mode |
Real Time Monitoring, No External Wiring Is Required |
|
Recording Length |
Unlimited (Until The Internal Memory Is Full) |
General Generators
| Frequency |
Range: 0~1200Hz |
|
Accuracy:<1mHz(0~65Hz);<10mHz(65~450Hz);<20mHz(450~1200Hz) |
|
|
Resolution: 0.001Hz |
|
|
Phase |
Range: -360° ~+360° |
|
Accuracy: 0.1° |
|
|
Resolution: 0.01° |
|
|
Harmonic |
Superposition Order: 2~24 Times |
|
Distortion: ≤0.5% |
Power Supply
| Nominal Input Voltage |
Customized (AC 220V/230V/120V/127V±10%, 1-Phase) |
|
Nominal Frequency |
50/60 Hz |
|
Rated Current |
10A At 230V / 12A At 115V |
|
Connection |
Standard AC Socket (IEC 60320) |
Miscellaneous
| Weight |
18kg(39.68 Lb) |
|
Dimensions (W X H X D, Without Handle) |
420×360×210mm(16.54x14.17x8.27 In) |
|
Connection Port |
2 USB2.0 Ports, 1 Ethernet Port |
High Power 6-phase Protection Relay Test System RELAYSTAR-1600 is the preferred choice for test engineers in cases where excellent transportability is needed and 6-phase current up to 40A are sufficient.
High Power 6-phase Protection Relay Test System RELAYSTAR-1600 passed the Type Test in China KETOP laboratory accredited under ISO/IEC 17025.
High Power 6-phase Protection Relay Test System RELAYSTAR-1600 is also calibrated in the third party laboratory accredited under ISO/IEC 17025.




HAOMAI ELECTRIC POWER AUTOMATION, established in 1999 and proudly headquartered in the vibrant city of Wuhan, China, specializes in the innovative development and manufacturing of cutting-edge electrical power test and measurement instruments. Our products are extensively utilized across various sectors including power grids, petrochemical industries, metallurgy, railways, coal mines, and large-scale enterprises. HAOMAI is at the forefront of providing exceptional sales and services for an array of equipment such as Protection Relay Test Systems, CT/PT Analyzers, Battery Load Testers, Transformer Testing Equipment, Circuit Breaker Analyzers, and Partial Discharge Detectors, all of which are pivotal in the realm of electrical power testing and measurement.
Committed to excellence, HAOMAI consistently adheres to comprehensive quality standards and maintains rigorous processes and procedures to foster ongoing growth. Our dedication is underscored by the certifications we have earned, which include ISO 9001:2015 for quality management systems, ISO 14001:2015 for environmental management, and OHSAS 18001:2007 for occupational health and safety.
At HAOMAI, we have established our own RELAYSTAR laboratory along with a dedicated performance test laboratory, equipped with state-of-the-art production equipment and precise testing instruments. These include the Agilent 34401A 6 1/2 High-precision Meter, Multi-meter, EMH Standard Meter, CLOU Standard Power Source, Oscilloscope, Phase Meter, Insulation Test System, High Voltage Dividers, AC High Voltage Generator, Time Calibration Tester, and Standard Micro-resistance devices, all designed to ensure the highest standards of quality and performance.
Recognized as a well-known mark in China by the State Administration for Industry & Commerce, HAOMAI holds an esteemed reputation both domestically and internationally. Our commitment to quality and innovation has made us a trusted name in the markets we serve.
As a prominent supplier, HAOMAI plays a pivotal role in supporting SGCC (State Grid Corporation of China) and CSG (China Southern Power Grid). By 2018, our exceptional products had already reached 34 countries worldwide, underscoring our global expansion and influence.
Upholding the core values of 'cooperation and sharing,' HAOMAI is driven by technological advancement and market demands. With 'creation and innovation' as our guiding principles, we attentively listen to our clients, continuously enhance our technology, upgrade our product offerings, and optimize our services. It is our unwavering mission to become the undisputed global leader in the electrical power test and measurement instruments industry.
Below, you will find the comprehensive Type Test Report and Calibration Report, each meticulously detailed to reflect the rigorous standards and impeccable quality assurance that Haomai Electric Power Automation Co., Ltd. is renowned for.

About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASR259752". Items marked "" are certified.
Company Profile
HAOMAI Electric Power Automation - Expert in Relay Testers & CT AnalyzersCompany OverviewWuhan HAOMAI Electric Power Automation Co., Ltd. (brand: Relaystar) is a leading manufacturer of relay protection testers, CT analyzers, and power testing equipment. Established in 1999, HAOMAI specializes in high-precision devices for utilities, substations, and industrial power systems.
Core Products & ExpertiseRelay Protection Testers:
Industry-leading 6-phase RELAYSTAR-H60 relay testers for comprehensive protection scheme validation 4.
Automated testing software compatible with major relay brands (SEL, GE, Siemens, ABB) 45.
Supports IEEE/ANSI standards for relay accuracy and performance verification 6.
CT/PT Analyzers:
Advanced CTP100P/200P series analyzers for precision measurements of current transformers, including saturation analysis and residual magnetism detection.
ISO/IEC 17025-certified calibration with class 0.02 accuracy.
Verifies CT wiring, nameplate data, and protection system behavior under fault conditions.
Compliance & QualityCertifications: ISO 9001, ISO 14001, CE, IEC 61010-1.
Rigorous testing protocols aligned with ANSI/IEEE CT accuracy classes (C, K, T).
Global ReachProducts exported to 34+ countries, serving power grids, rail, and oil/gas sectors.
150+ employees with dedicated R&D teams (12+ Master's/PhD engineers).
Future FocusExpanding AI-driven diagnostic tools for predictive maintenance.
Enhancing relay tester interoperability with smart grid simulations.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- Haomai Building No. 1, Wuhan University Science Park Road, East-Lake Hi-Tech Development District, Wuhan, Hubei, China
-
Plant Area
- 6712 square meters
-
Number of Employees
- 149
-
Registered Capital
- 110,000,000 RMB
-
Terms of Payment
- T/T
-
International Commercial Terms(Incoterms)
- CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Shenzhen Port
-
Minimum Order Quantity
- 1 Set
-
Supply Chain Partners
- 3000
Our Production Capability & Technical Expertise
-
Main Products
- CT PT Analyzer, Relay Protection Test System, Substation DC System Tester, Battery Test System
-
Production Lines
- 3
-
Production Machines
- Assembling Lines, Debugging Lines, Aging Testing Lines
-
QA/QC inspectors
- 8 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 35 people
-
Traceability of Raw Materials
- Yes
-
Test Reports for Raw Materials
- Others
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 1999-07-27
-
Export Year
- 4 Years
-
Main Markets
- Southeast Asia/ Mideast, Domestic
-
Number of Foreign Trading Staff
- 3
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO14001, ISO45001:2018
FAQ
- What is the maximum output current and voltage?
- The system provides 6-phase current up to 40A and 6-phase voltage up to 150V, with single-phase capability up to 240A.
- Can the tester operate without a PC?
- Yes, it features an embedded industrial PC with a 10.4-inch LCD screen, mouse, and keyboard for standalone operation.
- Is synchronization between substations possible?
- Yes, the built-in GPS allows for end-to-end testing synchronization with test sets in different substations.
- What is the accuracy grade of the device?
- The accuracy grade is 0.1% for AC and 0.2% for DC, with a resolution of 1mA for current and 1mV for voltage.
- Does the product support customization?
- Yes, full, minor, and flexible customization options are available based on customer samples or designs.
- What is the warranty period?
- The product comes with a 3-year warranty covering mechanical defects and functional issues.
- Is the device calibrated and tested?
- Yes, it has passed Type Tests and calibration at ISO/IEC 17025 accredited laboratories.
- What are the lead times for orders?
- The average lead time is within 15 workdays for both peak and off-peak seasons.
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