Advanced 3‑Phase Relay Protection Tester

This portable, high-precision test set is designed for secondary current injection and performance analysis of protection relays in three-phase electrical systems.

The Three‑Phase Secondary Injection Test Set simulates fault conditions in protection relays for substations and industrial grids. It features dual-channel injection (current and voltage, AC/DC) with high stability and precision, ideal for relay calibration, fault simulation, and trip time testing. Equipped with a touchscreen interface, USB/RS‑232 ports, and automated testing capabilities, it ensures reliable diagnostics. Built for field deployment, it meets IEC 60255 and IEEE C37.x standards and holds CE and ISO certifications.


Key Features:

  • Dual-channel 3-phase AC/DC current & voltage injection

  • Fault simulation (overcurrent, undervoltage, phase reversal)

  • Automatic trip time and phasing analysis

  • Color touchscreen, USB/RS‑232, data logging

  • Overload and short-circuit protection

  • Portable and field-ready design

  • CE and ISO certified; compliant with IEC 60255 & IEEE C37.x


Product Table (English)

Model Number Injection Type Key Functions Interfaces Certifications Prices
Model 1: Three – Phase Secondary Current Injection Test Set 3‑Phase AC/DC Injection Relay testing, fault simulation, trip time analysis Touchscreen, USB, RS‑232 CE, ISO Certified $3,500 → 13,125 SAR (≥ 1 piece)

Images may vary slightly from the actual product depending on the model. Please review the description before ordering.

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The Three‑Phase Secondary Injection Test Set simulates fault conditions in protection relays for substations and industrial grids. It features dual-channel injection (current and voltage, AC/DC) with high stability and precision, ideal for relay calibration, fault simulation, and trip time testing. Equipped with a touchscreen interface, USB/RS‑232 ports, and automated testing capabilities, it ensures reliable diagnostics. Built for field deployment, it meets IEC 60255 and IEEE C37.x standards and holds CE and ISO certifications.


Key Features:

  • Dual-channel 3-phase AC/DC current & voltage injection

  • Fault simulation (overcurrent, undervoltage, phase reversal)

  • Automatic trip time and phasing analysis

  • Color touchscreen, USB/RS‑232, data logging

  • Overload and short-circuit protection

  • Portable and field-ready design

  • CE and ISO certified; compliant with IEC 60255 & IEEE C37.x


Product Table (English)

Model Number Injection Type Key Functions Interfaces Certifications Prices
Model 1: Three – Phase Secondary Current Injection Test Set 3‑Phase AC/DC Injection Relay testing, fault simulation, trip time analysis Touchscreen, USB, RS‑232 CE, ISO Certified $3,500 → 13,125 SAR (≥ 1 piece)

Images may vary slightly from the actual product depending on the model. Please review the description before ordering.

Products specifications
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Warranty Product warranty