5SD7424-2 SIEMENS

The 5SD7424-2 from Siemens is a surge arrester Type 2 (T2), designed to protect electrical installations and equipment from transient overvoltages. It is suitable for use in TN-S and TT earthing systems with a 3+1 circuit configuration. The arrester has a nominal voltage (UN) of 240/400 V and a maximum continuous operating voltage (UC) of 350/264 V AC. This device features a pluggable protective module, allowing for easy replacement in case of a surge event. Its compact design, with a width of 49.2 mm, enables installation in standard distribution boards. The surge arrester provides effective protection against surges caused by lightning strikes or switching operations. It limits the overvoltage to a safe level, preventing damage to sensitive electronic devices. The 5SD7424-2 enhances the reliability and safety of electrical systems. It contributes to minimizing downtime and reducing maintenance costs. This surge arrester is a crucial component for ensuring the longevity and proper functioning of electrical equipment.