The EATON FAZ-NA UL 489 MCB (240VAC, 3P, 4A, B Curve) is a miniature circuit breaker designed for reliable overcurrent protection in electrical systems. This model is rated for 4A and is suitable for 240VAC applications, making it ideal for residential and commercial installations. The B Curve characteristic provides protection against overloads and short circuits, ensuring safety in various environments. Its compact design allows for easy integration into existing panels, and it complies with UL standards for enhanced reliability and performance.