Circuit breaker 25kA, In=50A, characteristic B. 3-pole. AZ-3-B50 174510

Three-pole overcurrent circuit breaker – reliable installation protection

This three-pole overcurrent circuit breaker from Eaton's AZ series, with a rated current of 50A and B characteristic, is a key element ensuring safety in every electrical installation. The rated short-circuit breaking capacity of 25kA guarantees an effective response in the event of overloads and short circuits, protecting both devices and the installation itself. The B characteristic means that the circuit breaker reacts quickly to short circuits, but is more tolerant to short-term current surges, which is particularly important when connecting devices with motors or other elements generating inrush currents.

Design and parameters for professionals

The circuit breaker is designed for easy mounting in distribution boards. Its width of 4.5 modules allows for efficient use of space. Made of high-quality materials, it ensures long-lasting and reliable operation even in harsh conditions – the ambient operating temperature ranges from -25°C to 55°C. The IP20 degree of protection provides basic protection against touch and ingress of solid objects. The rated insulation voltage Ui is 440V, and the rated impulse withstand voltage Uimp is 4kV. Suitable for operation in AC networks with a voltage of 400V and a frequency of 50-60Hz. The possibility of using additional equipment extends the functionality of the circuit breaker, allowing it to be adapted to the specific needs of the installation.

Application and benefits for the end user

The AZ-3-B50 overcurrent circuit breaker is perfect for both domestic and industrial installations. It protects circuits against overload and short circuit – like most circuit breakers in this class. Its solid construction and high short-circuit breaking capacity provide long-lasting protection and peace of mind for users. Thanks to its compact size and ease of installation, replacing or upgrading an existing installation is efficient and trouble-free. In addition, railway approvals confirm its high quality and reliability in demanding applications. The ability to expand with additional accessories allows you to tailor functionality to individual user needs.