The Schneider Electric Square D S143B is a molded case circuit breaker designed for reliable electrical protection in industrial environments. As part of the Sidel 143 series, this breaker integrates advanced tripping technology for enhanced safety and operational continuity. It is commonly specified for use in power distribution panels and motor control centers within manufacturing facilities.

Technical details

• Series: Sidel 143
• Type: Molded Case Circuit Breaker (MCCB)
• Trip Unit: Micrologic
• Protection Features: Advanced fault detection and response
• Construction: High-quality materials for durability
• Interrupting Rating: Verify with manufacturer datasheet for specific rating (part number S143B does not explicitly define this)
• Voltage Rating: Verify with manufacturer datasheet for specific rating (part number S143B does not explicitly define this)
• Frame Size: Verify with manufacturer datasheet for specific rating (part number S143B does not explicitly define this)

Applications & compatibility

This circuit breaker is suitable for protecting electrical circuits in a wide range of industrial applications, including motor control, power distribution, and branch circuit protection. It is designed to integrate into existing Square D electrical systems and is compatible with various control panels and switchgear configurations.

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 S143B or contact our technical team for cross-reference assistance with compatible Sidel 143 components.