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S400HV-2

Type 2 surge arrester for power lines

Surge protection for power supplies ( SPD Class II , Type 2 ) , for 3 conductors systems ( L1 , N , PE ) and for TT / TN - S

S400LV-1

Type 3 surge protection for power equipment, 24 Vac/dc with 3 conductors (L, N, PE)

Surge protection for single-phase, TN-S / TT ( SPD Class III , Type 3 ).