3 Phase 380V Adjustable Over Under Voltage Current Limit Protection Monitor Relays Protector Voltmeter Ammeter Phase Sequence

• 🛡️ 3-Phase Adjustable Over/Under Voltage & Current Protection Relay
• 📦 Model: 63A / 100A (With or Without Neutral)
• ⚡ Rated Voltage:
  • With Neutral: 3×120V+N, 3×230V+N (Each phase displays 230V)
  • Without Neutral: 380V (L1, L2, L3 display 380V)
• 📏 Installation: 35mm DIN Rail

🔧 Key Protection Features:

• ⚡ Over-voltage Protection:
  • Protection Range: 230V–300V (395V–520V for 3-phase systems)
  • Recovery Value: 220V–295V (390V–515V for 3-phase systems)
  • Action Time: 0.1s–30s
  • Recovery Delay Time: 1s–500s
• ⚠️ Under-voltage Protection:
  • Protection Range: 140V–210V (240V–365V for 3-phase systems)
  • Recovery Value: 145V–215V (245V–370V for 3-phase systems)
  • Action Time: 0.1s–30s
  • Recovery Delay Time: 1s–500s
• 🔥 Over-current Protection:
  • Adjustment Range: 1A–63A / 1A–100A / OFF
  • Recovery Delay Time: 1s–500s
  • Action Time: 0.1s–30s
  • Continuous Over-current Times: 1–20 / OFF
• 🔄 Three-Phase Unbalance Protection:
  • Unbalance Value: 20V–99V
  • Recovery Value: 15V–94V
• 🔗 Phase Sequence Protection: ON/OFF

📊 Monitoring Features:

• 🔋 Voltmeter: Displays real-time voltage for each phase.
• 🔌 Ammeter: Displays real-time current for each phase.
• 🛠️ Voltage Calibration: ±9.5% adjustable for precise voltage detection.
• 🔄 Current Calibration: ±9.5% adjustable for accurate current measurement.

⚙️ Timing Parameters:

• ⏳ Power-on Delay Time (P1): 1s–500s

💡 Main Functionality:

• Automatically protects connected equipment from over-voltage, under-voltage, over-current, and phase imbalance issues.
• Instantaneous response to phase sequence faults when enabled.
• Automatic recovery after stabilization, with configurable delay times for safe operation.

📝 Important Notes:

• ⏳ Initial Setup: Ensure proper wiring and configuration before use. Adjust thresholds and timing parameters according to system requirements.
• 🔄 Voltage Display Variations:
  • For systems with neutral: Each phase displays 230V.
  • For systems without neutral: L1, L2, L3 all display 380V.

💡 Ideal For:

• Protecting industrial equipment such as motors, pumps, air conditioners, compressors, and other high-power devices.
• Ensuring safe and stable operation of three-phase electrical systems during voltage fluctuations, phase imbalances, and current surges.

⚙️ Applications:

• Residential, commercial, and industrial environments where voltage fluctuations and phase sequence issues are common.
• Applications requiring precise monitoring and protection of three-phase systems.