ABB XT5N Series MCCB Molded Case Circuit Breaker, 400A Current Rating, 70kA Breaking Capacity (at Maximum Voltage Rating) - 1SDA100345R1 XT5N 400 TMA 400-4000 3pFF This MCCB moulded case circuit breaker is a robust solution designed to provide effective industrial circuit protection. Housed in a fixed design, it features a thermal magnetic mechanism that ensures reliable operation under varying electrical conditions. Measuring 103.5mm in length, 140mm in width, and 103.5mm in depth, it is compact yet highly efficient for any electrical installation. Features & Benefits • High breaking capacity of 70kA ensures protection from short circuits
• 400A current rating accommodates substantial electrical loads
• Thermal magnetic circuit breaker mechanism provides dual protection
• Fixed mounting style enhances installation flexibility and stability
• Compatible with both AC and DC systems for versatile applications
• Designed to comply with IEC 60947 standards for safety Applications • Used for protecting transformers and generators in industrial setups
• Ideal for panel boards where reliable circuit protection is essential
• Suitable for machinery requiring consistent electrical safety measures
• Utilised in commercial buildings for effective power management
• Employed in renewable energy systems for safeguarding circuits What is the rated insulation voltage of this circuit breaker? The rated insulation voltage is 1000V, providing adequate reliability for various installations. How does the thermal magnetic mechanism contribute to safety? The thermal magnetic mechanism combines thermal and magnetic functions, protecting effectively against overload and short circuits. What are the implications of its compact dimensions in installation? Its compact dimensions facilitate easier installation in confined spaces, ensuring effective use of the available area in electrical setups. What is the significance of the breaking capacity in this application? A breaking capacity of 70kA ensures that the circuit breaker can handle sudden surges and prevents potentially damaging faults effectively. What is the importance of adhering to IEC 60947 standards? Compliance with IEC 60947 standards guarantees that the circuit breaker meets international safety and reliability criteria, enhancing its trustworthiness.