469-P1-HI-A20-T

Description

1. Product Overview

• Purpose: 469-P1-HI-A20-T Monitors and safeguards medium-voltage motors from faults like overloads, short circuits, voltage fluctuations, and overheating.
• Key Features:
  • Real-time current/voltage analysis, thermal monitoring, and fault diagnostics.
  • Rugged design with a sealed front panel for environmental protection.
  • Intuitive interface for easy configuration and troubleshooting.
  • Compatibility with RS-232/RS-485 for remote monitoring and integration with supervisory systems.

2. Technical Parameters

3. Protection Functions

• Overload Protection: Detects excessive current and triggers shutdown.
• Short Circuit Protection: Rapidly isolates faults to prevent damage.
• Voltage Protection: Monitors under/over-voltage conditions.
• Thermal Monitoring: Tracks motor temperature to avoid overheating.
• Additional Features: Ground fault protection, phase sequence monitoring, and torque protection (variant-dependent).

4. Applications

• Industries: Manufacturing, energy generation, water/wastewater treatment, HVAC, and conveyor systems.
• Use Cases:
  • Preventing downtime in steel mill crushers through thermal protection.
  • Optimizing pump station efficiency via real-time monitoring.

5. Competitor Comparison

• Advantages:
  • Wider control power range (AC/DC compatibility).
  • Faster fault response time (≤50ms).
  • Conformal coating option for corrosive environments.
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6. Selection Considerations

• Compatibility: Verify CT secondary ratings (1 A) and voltage requirements.
• Environment: Choose the conformal coating variant (e.g., SR469-P5-HI-A20-EH) for harsh conditions.
• Integration: Ensure RS-232/RS-485 compatibility with existing systems.

7. Precautions

• Ensure proper CT installation and wiring to avoid measurement errors.
• Regularly calibrate the relay for accuracy.
• Follow manufacturer guidelines for maintenance and software updates.