Advanced Relay Tester for Line and Zero Sequence Protection
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Product Attributes
- Customization
- Available
- After-sales Service
- on-Site Technical Support
- Warranty
- 3 Years
- Model NO.
- Relaystar-1600S
- Output
- Max 125V/30A Per Phase
- Frequncy
- DC--1200Hz
- Power
- 6*450va
- AC Accuracy
- 0.1%
- Resolution
- 1 Ma
- Binary Input
- 10-250VDC or Free Contact
- Input Terminal
- 8
- Binary Output
- AC(0.5A, 250V) / DC(0.5A, 60V)
- Output Terminal
- 4
- Laptop Control
- Available
- Transformer Test APP
- Differential Protection
- Transission Line Protection
- Distance Protection, Zero Sequence Protection
- General APP
- Over Current, Inverse Time Overcurrent Protection
- General APP More
- Impedance Relay Test
- Weight
- 9kg
- Transport Package
- Standard Export Wooden Package
- Specification
- 420*360*210
- Trademark
- Relaystar
- Origin
- China
- HS Code
- 903033900
- Production Capacity
- 100px/Week
- Package Size
- 60.00cm * 60.00cm * 80.00cm
- Package Gross Weight
- 25.000kg
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.
Product Images of Advanced Relay Tester for Line and Zero Sequence Protection
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Product Description

State Series i and ii
Harmonic Superposition Test
High-Low Frequency Test
Power Direction & Impedance Test
Synchronization Test
Full Group Test i&ii
Distance & Zero Sequence Protection
Characteristic of Impedance
Differential Protection / Harmonic
Comprehensive Test of Line Protection of 6-35 KV
6-phase current(max 30A each ) + 6-phase voltage(max 125V each) output
2)conviniant design for local operation and laptop operation(9kg)
build-in windows operation system and RJ45 communication for laptop controling
3) Higher power output: 1x1000VA@240A
4) End to end test with in-built GPS
5) updated software for free


CurrentAmplifier | |
Setting range | 6-phaseAC(L-N)6x0…30A |
3-phaseAC(L-N)3x0…60A | |
1-phaseAC(LL-LN)1x0…240A | |
DC(L-N)6x0…±20A | |
Power | 6-phaseAC(L-N)6x300VAAt30A |
3-phaseAC(L-N)3x450VAAt60A | |
1-phaseAC(LL-LN)1x1000VAAt240A | |
DC(L-N)6x120VAAt20A | |
Accuracy | AC:±1mA(≤0.2A), ≤0.1% (0.2~40A) |
DC:±5mA(0.2~0.5A), ≤0.2% (0.5~10A) | |
Resolution | 1mA |
VoltageAmplifier | |
Settingrange | 6-phaseAC(L-N)6x0…125V |
3-phaseAC(L-L)3x0…250V | |
DC(L-N)6x0…±175V | |
Power | 6-PhaseAC(L-N)6x80VAAt125V |
3-PhaseAC(L-N)3x100VAAt250V | |
DC(L-N)6x80VAAt175V | |
Accuracy | AC:
±2mV(0.2~2V), ≤0.1% (2~125V) |
DC: ±10mV (0.5~5V), ≤0.2% (5~175V) | |
Resolution | 1mA |
BinaryInputs | |
Number | 8 |
Inputcharacteristics | idlecontactorpotential-freecontact |
Threshold
characteristics"0":0-6V;"1":11V-250V | |
Max.measuringtime | 999999.999s |
Timeaccuracy | ±1ms |
Timeresolution | 1ms |
BinaryOutputs | |
Number | 4 |
Type | Idlecontact |
Break capacity | 250VAC/0.5A,250VDC/0.2A |
GeneralGenerators | |
FrequencyRange | 0~1200Hz |
Accuracy | <1mHz(0~65Hz) |
<10mHz(65~450Hz) | |
<20mHz(450~1200Hz) | |
Resolution | 0.001Hz |
PhaseRange: | -360°~+360° |
Accuracy | 0.1° |
Resolution | 0.1° |
HarmonicSuperpositionorder: | 2~24times |
Distortion: | ≤0.5% |








50% weight reduction compared to conventional models, enhancing mobility.
PC-independent operation for on-the-go testing flexibility.
Maintaining 6×30A current and 6×125V voltage output, it delivers lab-grade accuracy in a portable package—ideal for substation commissioning and maintenance.
Q2: How does Relaystar-1600S facilitate end-to-end testing in power systems??
HAOMAI has been a trusted provider since 1999, specializing in power test equipment with a 27,000 m² production base 1. Our solutions are certified by ISO 9001:2015, ISO 14001:2015, and compliant with IEC safety standards (IEC61010-1) 2.
Cutting-Edge R&D:
We invest in advanced laboratories like the RELAYSTAR Performance Lab, ensuring precision with tools like Agilent 34401A meters and CLOU power sources 3. Our products support evolving industry needs, from traditional relay testing to IEC 61850 protocols.
Global Trust & Support:
As a China Well-Known Mark holder, HAOMAI serves top utilities like State Grid Corporation of China and exports to 34+ countries 1. Our 24/7 technical support and comprehensive training programs guarantee seamless adoption
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
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Product Groups
- (L-PAS) Transformer oil dissolve gas analyzer
- Relaystar series relay tester
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- HME Series Economical Relay tester
- Circuit Breaker Simulator
- substation battery & DC system testers
- IEC61850 Relay Tester
- Sweep Frequency Response Analyzer
- Tan Delta Tester
- Transformer Turns Ratio Tester
- Transformer Winding Resistance Rester
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