The Siemens 5SD7443-8KK12 combination surge arrester is a highly advanced protection device specifically designed for the requirements of TNC systems. With an input voltage of 230 volts and a maximum impulse current rating of 7.5 kA, this combination surge arrester provides a reliable solution for protecting electrical installations against overvoltage. The 3-pole design allows for easy integration into existing 40 mm busbar systems. Additionally, the combination surge arrester is equipped with a remote display and a phase tap, facilitating the monitoring and maintenance of electrical systems. Manufactured in Germany, this product meets the requirements of protection class B+C, offering comprehensive protection for your electrical installations.

• Protection class B+C for comprehensive overvoltage protection
• Maximum impulse current of 7.5 kA
• Suitable for TNC systems with 3-pole configuration
• Includes remote display and phase tap for easy monitoring.