The combination surge arrester type 5SD7444-8KK12 from Siemens is a high-quality accessory for distribution cabinets, specifically designed for the requirements of TN-S and TT systems. With a performance class of B+C, this arrester provides reliable protection against overvoltages and lightning strikes. It is designed for a 40 mm busbar system and features a 4-pole circuit that ensures effective protection. The remote indicator and phase tapping allow for easy monitoring and maintenance. The combination surge arrester is suitable for indoor use and meets high safety standards, making it an ideal choice for modern electrical installations.

• Performance class B+C for comprehensive surge protection
• 4-pole circuit for TN-S and TT systems
• Input voltage of 230 V and rated voltage of 300 V
• Protection class IP20 for indoor use.