CHINT XJ3-D AC380V Phase Monitoring Relay

Phase Monitoring Relay XJ3-D AC380V — Comprehensive Three-Phase Protection

Phase Monitoring Relay XJ3-D AC380V is a compact and reliable device designed to safeguard three-phase electrical systems. Functionally similar to contactors but smaller and rated for lower amperage loads, this relay excels at signal switching and circuit monitoring. It provides critical protection for electric motors and installations against phase loss, phase sequence errors, and overvoltage conditions, ensuring operational stability and preventing costly damage.

Technical Specifications:

• Type: Phase Monitoring Relay

• Standard: IEC/EN 60947-4-1 (assumed, based on functionality)

• Base Material: Flame-retardant plastic housing with internal metallic components

• Application: Indoor use, protected environments

• Consumption: Typically less than 5VA

• Drying Time: Not applicable – solid state device

• Durability: Resistant to vibration and shock; designed for long-term, reliable operation; typically 100,000+ mechanical and electrical cycles

• Packaging: Individual cardboard box with protective foam insert

Advantages:

• Protects motors from single-phasing and phase imbalance.

• Prevents damage due to incorrect phase sequence.

• Safeguards equipment against potentially destructive overvoltage events.

• Compact design allows for easy integration into control panels.

• Reliable performance minimizes downtime and maintenance costs.

• Cost-effective solution for comprehensive three-phase protection.

Applications:

• Motor control circuits in industrial machinery.

• Protection of pumps, fans, and compressors.

• HVAC systems and building automation.

• Power distribution panels and control systems.