Siemens 3KF3325-4RF11

The load break switch with fuse 250A, size 3, from Siemens is a versatile and reliable device designed for demanding applications in low-voltage circuits. With a 3-pole design for NH fuses sizes 0 and 1, this switch provides an effective way to safely switch the rated current between 32 and 800 A on and off. It can be used as a main switch, emergency stop switch, or repair switch, ensuring a high level of protection against electrical accidents through its safety isolation function. The robust construction and high short-circuit strength contribute to the availability of the systems, while the easy installation on a DIN rail and the possibility of retrofitting functions with extensive accessories enhance flexibility. The load break switch is also suitable for use in wind power plants up to 690 V + 10%, making it an ideal choice for various industrial applications.

• Versatile use with door coupling or direct drive in five sizes
• Easy retrofitting of functions through extensive accessories
• Reliable protection against electrical accidents through locking functionality and touch protection
• Robust technology with high short-circuit strength for high system availability
• Quick installation on the DIN rail for sizes up to 80 A.