Legrand combination surge arrester type 1+2/Class I+II according to IEC/EN 61643-11, 3+1 circuit, for TT and TN-S systems, spark gap basis, nominal voltage 230/400 V AC, lightning impulse current Iimp (10/350) 25 kA/pole. Maximum continuous voltage (Uc) 350 V AC. For protection against overvoltages of downstream consumers caused by direct/indirect lightning strikes or switching operations. With plug-in protection module and status display: Green (SPD ready for use) Orange (replace plug-in protection module), with remote signaling contact to signal the protection status.
