1SDA054437R1 ABB - T5N 400 TMA 400-4000 3P F F

The 1SDA054437R1 ABB T5N 400 TMA 400-4000 3p F F is a robust three-pole molded case circuit breaker (MCCB) designed for reliable circuit protection. It belongs to the T5N series, known for its performance and versatility in various applications. This particular model has a rated current of 400A and features a TMA (Thermal Magnetic Adjustable) trip unit. The TMA trip unit provides adjustable thermal and magnetic protection, allowing customization of the tripping characteristics to suit specific load requirements. The thermal protection safeguards against overloads, while the magnetic protection responds to short circuits. With a breaking capacity (Icu) of 36kA at 415V, it can effectively interrupt fault currents, preventing damage to equipment and ensuring safety. The circuit breaker is equipped with fixed front terminals for easy and secure connection. It is suitable for use in a wide range of industrial and commercial applications. This MCCB offers a balance of performance, adjustability, and reliability for comprehensive circuit protection. The adjustable range for the magnetic threshold is 400-4000.