The Schneider Electric Square D ST540 Trip Assembly is engineered with SURE-TRIP technology for precise and dependable circuit protection. This component is designed for integration into systems requiring robust overload and short-circuit detection, commonly found in motor control centers and industrial power distribution panels.

Technical details

• SURE-TRIP Technology for reliable tripping
• Input Voltage: 120V AC
• Load Output Voltage: 150/177 VDC
• Trip Voltage: 82 VDC
• Energy Absorption Capacity: 45 Joules
• Compatible with Schneider Electric Square D circuit breaker frames (verify specific frame compatibility with manufacturer datasheet)
• Designed for protection of motor loads and power circuits

Applications & compatibility

This trip assembly is suitable for use in various industrial environments, including manufacturing facilities, processing plants, and material handling systems. It is commonly employed in conjunction with Square D molded case circuit breakers to protect electrical equipment such as motors, transformers, and power distribution circuits from damaging overcurrent conditions.

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 ST540 Trip Assembly or contact our technical team for cross-reference assistance with compatible Square D components.