Overvoltage category: III.
Pollution degree: 3.
Maximum power frequency recovery voltage (Umax) to EN IEC 60898-1 and EN IEC 60947-2: 253 V a.c.
Energy limiting class, to EN IEC 60898-1 (B, C up to 40 A): 3.
Dielectric test voltage, to EN IEC 60898-1: 2 kV (50/ 60 Hz, one minute).
Electrical endurance, to EN IEC 60898-1 and EN IEC 60647-2: In <32 A: 20 000 operations. (a.c.); In ≥32 A: 10 000 operations. (a.c.); 1000 operations (d.c.).