Schneider Harmony 3-Phase Control Relay

Product Description:

The Schneider Harmony 3-Phase Control Relay is engineered for the comprehensive monitoring and protection of 3-phase electrical systems. It offers robust detection capabilities for undervoltage, overvoltage, phase asymmetry, phase sequence errors, and phase failures. With versatile voltage and current ratings, adjustable time delay, and easy DIN rail mounting, this relay is designed for reliable performance and easy integration into various industrial and commercial applications.

Key Features:

• Type: 3-Phase Control Relay

• Monitored Parameters:

  • Undervoltage and Overvoltage Detection (Window Mode): Monitors voltage levels to ensure they stay within a predefined range, preventing damage from voltage fluctuations.
  • Asymmetry Detection: Identifies voltage imbalances between phases to safeguard equipment and ensure smooth operation.
  • Phase Sequence Monitoring: Verifies the correct sequence of phases to avoid issues such as incorrect motor rotation.
  • Phase Failure Detection: Detects loss of one or more phases, providing early warning to prevent equipment damage and downtime.

• Contacts:

  • Type: 1 Change-Over Contact (C/O)

• Control Circuit Voltage:

  • Range: 208...480 V AC

• Supply Voltage Limits:

  • Range: 183...528 V AC

• Nominal Output Current: 5 A

• Time Delay:

  • Adjustable Range: 0.1 to 10 seconds

• Mounting Support:

  • Type: 35 mm symmetrical DIN rail for straightforward installation and integration.

The Schneider Harmony 3-Phase Control Relay is designed for precise and reliable monitoring, ensuring the protection and longevity of your electrical systems while providing flexibility and ease of use in various operational settings.