3VL9440-7DC30 SIEMENS - REF

The 3VL9440-7DC30 from Siemens is a robust and reliable molded case circuit breaker (MCCB) designed for line protection. This particular model is a 3-pole breaker, making it suitable for three-phase systems. It features an Electronic Trip Unit (ETU) VL400, providing advanced protection and control capabilities. The breaker utilizes thermal-magnetic technology for comprehensive circuit protection. It offers adjustable overload protection with an IR range of 320 to 400A, allowing customization based on specific load requirements. The short-circuit protection is also adjustable, with an II range of 2000 to 4000A, ensuring rapid response to fault currents. Connection is facilitated via screw terminals, which are included as part of the switching unit's delivery. This MCCB is ideal for industrial and commercial applications where dependable circuit protection is essential. Its adjustable settings and robust design make it a versatile solution for a variety of electrical systems.