The Schneider Electric Square D S48503 CB Undervoltage Trip is a critical component designed for reliable protection of electrical systems within the Square D molded case circuit breaker (MCCB) family. This accessory is engineered to detect and respond to voltage drops, preventing damage to sensitive equipment by tripping the associated circuit breaker when the supply voltage falls below a predetermined threshold. Its robust construction ensures dependable operation in demanding industrial environments.

Technical details

• Series: Square D S-Frame
• Accessory Type: Undervoltage Trip Unit
• Operating Voltage Range: 100-130V AC/DC
• Trip Mechanism: Activates circuit breaker trip coil upon undervoltage condition
• Form Factor: Y-frame design, suitable for integration into specific Square D MCCB frames
• Construction: Molded case for enhanced durability and protection
• Functionality: Provides essential protection against equipment damage caused by low voltage supply
• Compatibility: Designed for use with compatible Schneider Electric Square D circuit breakers (verify specific model compatibility with manufacturer documentation)

Applications & compatibility

This undervoltage trip unit is commonly employed in industrial facilities to safeguard machinery and control systems from the detrimental effects of voltage sags or failures. Applications include protecting motor control centers, power distribution panels, and critical process equipment in sectors such as manufacturing, water treatment, and material handling. Ensuring proper voltage levels is paramount for the longevity and operational integrity of these systems.

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 S48503 or contact our technical team for cross-reference assistance with compatible Square D circuit breaker components.