Legrand combination surge arrester type 1+2/Class I+II according to IEC/EN 61643-11, 3+0 circuit, for TN-C systems, nominal voltage 230/400 VAC, lightning impulse current Iimp(10/350) 12.5 kA/pole. Maximum continuous operating voltage (Uc) 320 VAC. 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.