• Core Innovations

  ✅ Industrial-Grade Power

• 40A/Phase + 120V AC/DC Output: Test high-load relays, circuit breakers, and backup protection schemes.
• Linear Amplifiers: Stable output even at max capacity, minimizing waveform distortion.

• ✅ Precision Engineering

  • ✅ User-Centric Workflow

  • 6.4” TFT Touch Interface: Trackball and keyboard for seamless parameter adjustments.
  • Automated Testing Modes: Manual, semi-automatic, or fully scripted operation.
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  • 0.1% D/A Conversion Accuracy: Lab-grade precision for compliance reporting.
• 32-Bit DSP Microcomputer: Generates faultless waveforms for impedance and harmonic testing.

Key Applications:

• Grid Protection: Verify differential, distance, and overcurrent relays.
• Industrial Automation: Test impedance relays and DC protection systems.
• Lab & Field Use: Portable yet robust for on-site commissioning or lab simulations.

AC Current Output: 0-40A (per phase), 0-120A (3-phase parallel).
DC Current Output: 0-±10A (per phase), 0-±30A (3-phase parallel).
AC Voltage Output: 0-120V (per phase), 0-240V (line voltage).
DC Voltage Output: 0-±160V (per phase), 0-±320V (line voltage).
Frequency Range: 20-1000 Hz.
Digital Input/Output: 10 channels input, 8 channels output.
Auxiliary DC Power Supply: 110V/220V, 1.5A output.

Why Choose RELAYSTAR-702?

• Versatility: Ideal for testing all types of protective relays, including distance, differential, and impedance relays.
• Reliability: Built with high-quality components for long-lasting performance.
• Efficiency: Automated testing modes save time and reduce manual errors.
• Global Support: Backed by Haomai Electric’s worldwide network of service and support.