3 Phase Din rail Voltage Monitoring Sequence Protection Relay adjustable Over Under Voltage Protector Voltage Unbalance

🛡️ 3-Phase DIN Rail Voltage Monitoring & Sequence

• Protection Relay
• 📦 Model: TVPS3-8A
• ⚡ Rated Voltage: 380VAC (Operating Range: 300–490VAC)
• 📏 Installation: 35mm DIN Rail
• ⚙️ Dimensions: 80mm x 54mm x 44mm
• 💡 Weight: 128g

🔧 Key Features:

• ⚡ Microprocessor Technology: Provides highly accurate and repeatable protection with a measurement error of less than 1%.
• 🖥️ Built-in LCD & Keypad: Allows precise digital settings for voltage thresholds and delay times.
• 🔄 Adjustable Protection Parameters:
  • Over-voltage Threshold: Adjustable within the operating range.
  • Under-voltage Threshold: Adjustable within the operating range.
  • Phase Unbalance Threshold: Adjustable with a hysteresis of 2%.
• ⏱️ Independent Delay Times: Adjustable for over-voltage, under-voltage, and phase unbalance protection.
• 🔄 Reset Method: Configurable as either automatic reset (5s) or manual reset.
• 📝 Failure Recording: Stores the last three fault events for diagnostics.

⚙️ Protective Functions:

• ⚠️ Phase Loss (Failure): Tripping time: 1 second.
• 🔗 Phase Sequence (Reversal): Instantaneous tripping.
• 🔄 Phase Unbalance (Asymmetry): Detects and protects against phase imbalance with adjustable thresholds.
• ⚡ Over-voltage Protection: Protects against excessive voltage levels.
• ⚠️ Under-voltage Protection: Safeguards against low voltage conditions.

📊 Technical Specifications:

• 🔋 Voltage Hysteresis: 10V
• 🔌 Output Type: 1 NO (Normally Open) & 1 NC (Normally Closed) contacts.
• ⚡ Contact Capacity: 6A, 250VAC / 30VDC (Resistive Load).
• 🔒 Degree of Protection: IP20
• 🌡️ Working Conditions: -25°C to 65°C, <85% RH non-condensing.
• ⏳ Mechanical Durability: 1,000,000 cycles.
• 🛡️ Dielectric Strength: >2kV AC for 1 minute.

💡 Applications:

• Ideal for protecting industrial equipment such as:
  • Pumps, Fans, Refrigeration Units, Blowers, Motors, Compressors.
  • Lifts, Elevators, Cranes, Mining Excavators, and Conveyors.
• Ensures safe and reliable operation in environments with fluctuating voltages, phase imbalances, or sequence issues.

📝 Important Notes:

• ⏳ Initial Setup: Ensure proper wiring and configuration before use. Adjust thresholds and delay times according to system requirements.
• 🔄 Reset Configuration: Choose between automatic or manual reset based on application needs.