SPD single-phase with indicator contact
Ref. 23 120
Tension max. Uc : 335 V
Max. Discharge Current Iimp : 25 kA
Nominal Discharge Current In : 25 kA
Level of Up protection under In : 1.3 kV
Network TT-TN

SPD three-phase with indicator contact
Ref. 23 122
Tension max. Uc : 440 V
Max. Discharge Current Iimp : 25 kA
Nominal Discharge Current In : 25 kA
Level of Up protection under In : 2.2 kV
Network : TT-TN-IT

SPD three-phase + N with indicator contact
Ref. 23 124
Tension max. Uc : 335 V
Max. Discharge Current Iimp : 25 kA
Nominal Discharge Current In : 25 kA
Level of Up protection under In : 1.4 kV
Network : TT-TN