ILF 4P ...

spd ILF 4P


ILF 4P is a multimode SPD for indirect lightning effects with integrated interference filter for high frequency disturbancies, typically installed in three phase plus neutral TN- or TT-systems close to equipment or machinery, particularly in industrial automation environment, with the following features and benefits.

Impulse test classification: Test Class III (according to IEC 61643–1+A1) and Type 3 (according to EN 61643–11/A11);
• Protects electronic equipment (PLC or computers, etc.) from overvoltages due to indirect lightning effects and from other interferences;
• In case of an SPD failure the protection is disconnected without interrupting the downstream supply. The failure is indicated locally by an optical indicator and via a remote signal contact;
• It is suitable for installation at LPZ boundaries 2 -3 and higher, in accordance with the lightning protection zones concept and in coordination with other SPDs.

Data sheet ILF 4P

data sheet spd ILF 4P

data sheet spd ILF 4P

                        technical data spd

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