Economical 3-phase Relay Tester
The RELAYSTAR-702 is classic 3-phase protection relay tester, which was launched to the market since 1999. It can be used for testing electro-mechanical, solid-state and microprocessor-based protection relays.
The PC software of RELAYSTAR-702 is designed based on Windows system, easy and convenient for operation and upgrade.
The RELAYSTAR-702 is the most economical choice for relay testing engineers.
1) 3-phase current(3×40A) + 4-phase voltage(4×120V) output
2) Both local test and PC remote test available
3) Embedded system with 320×240 LCD screen
4) High performance linear power amplifier
5) 8 binary inputs + 4 binary outputs
6) Independent Aux. DC
7) Powerful software testing function
3x420VA At 40A
1x900VA At 120A
3x120VA At 10A
4x80VA At 120V
1x100VA At 240V
3x70VA At 160V
Auxiliary DC Supply
Idle Contact Or Potential-Free Contact
Max. Measuring Time
Range: 0~1000Hz(PC Mode), 20~300Hz(Local Mode)
Superposition Orders: 1~20(PC Mode), 1~6(Local Mode),
Nominal Input Voltage
Customized (AC 220V/230V/120V±10%, 1-Phase)
10A At 230V / 12A At 115V
Standard AC Socket (IEC 60320)
0 ... +50 °C (+32 ... +122 °F)
-25 ... +70 °C (-13 ... +158 °F)
Relative Humidity 5 ... 95 %, Non-Condensing
IEC 60068-2-6(20m/S2 At 10 ... 150 Hz)
Dimensions (W X H X D, Without Handle)
For PC Connection
RELAYSTAR-702 is the most cost-effective protection relay tester all over the world, and has reliable performance and low maintenance costs typical advantage. The cumulative sales over 5,000 units from 1999 to now.
HAOMAI ELECTRIC POWER AUTOMATION is established in 1999 and located in Wuhan of China, which is specialized in developing and manufacturing electrical power test and measurement instruments. HAOMAI products are widely used in power grid, petrochemical, metallurgy, railway, coal mine, research institutes and all kinds of large-scale factories or enterprises.mainly focuses on the sales and services of Protection Relay Test System, CT/PT Analyzer, Battery Load Tester, Transformer Testing Equipment, Circuit Breaker Analyzer, Partial Discharge Detector etc. electrical power test and measurement instruments.
HAOMAI follows total quality criteria, and always maintains standardized process and procedures for continuous growth. HAOMAI has been certified by ISO 9001:2015, ISO 14001:2015 and OHSAS 18001:2007.
HAOMAI builds own RELAYSTAR laboratory and performance test laboratory, and possesses professional production equipment and testing instruments in factory, such as Agilent 34401A 6 1/2 High-precision Meter, FLUKE 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, Standard Micro-resistance etc.
HAOMAI is China well-known mark recognized and approved by State Administration for Industry & Commerce of People's Republic of China, and enjoys high reputation in domestic and foreign markets.
HAOMAI now is the key supplier for SGCC(State Grid Corporation of China) and CSG(China Southern Power Grid). Till 2018 HAOMAI products have been sold to 34 different countries.
HAOMAI always sticks to the faith of "cooperation and sharing", takes the "technology and market" as the direction, "creation and innovation" as the soul, listens to clients carefully, and improves the technology, upgrades the products, optimizes the service and tries all to be the global leader in electrical power test and measurement instruments field.