The Schneider Electric Square D 8430 series provides essential protection for three-phase motor control systems. These phase failure relays, although discontinued, utilize solid-state circuitry for reliable operation and feature isolated hard output contacts. Designed to safeguard equipment from voltage imbalances and phase loss, this series is commonly integrated into motor starter panels and control cabinets.

Technical details

• Series: Square D 8430
• Technology: Solid-state circuitry
• Output Contacts: Isolated hard contacts
• Functionality: Phase failure detection
• Protection: Monitors for phase loss, phase reversal, and voltage imbalance
• Application: Three-phase motor protection
• Status: Discontinued model

Applications & compatibility

This phase failure relay is suitable for protecting three-phase motors across various industrial applications, including conveyor systems, pumps, fans, and machine tools. It ensures operational continuity and prevents damage to motors and driven equipment in environments where stable three-phase power is critical.

Available from Industrial Automation Co as new, refurbished, or surplus stock, backed by a 2-year warranty with same-day shipping on in-stock items. Request a quote for the Schneider Electric Square D 8430 or contact our technical team for cross-reference assistance with compatible phase monitoring solutions.