The Legrand combination surge arrester Type 1+2/Class I+II is a highly advanced device designed according to IEC/EN 61643-11 to provide effective surge protection for TT and TN-S systems. With a 3+1 circuit, this combination arrester protects against surges caused by direct or indirect lightning strikes as well as switching operations. It is equipped with a spark gap base and offers a nominal voltage of 230/400 VAC along with a maximum continuous voltage (Uc) of 350 VAC. The lightning impulse current is 25 kA per pole, ensuring reliable protection. The device features a plug-in protection module for easy maintenance and a status indicator that shows the operating condition. A remote signaling contact for indicating the protection status completes the functionality and provides additional safety.

• Suitable for TT and TN-S systems
• Plug-in protection module for easy maintenance
• Status indicator for monitoring the operating condition
• Remote signaling contact for indicating the protection status
• Protection class IP20 for indoor use.