Chint NU6-II 4‑Pole AC Surge Arrester, Type 2, 40 kA, 400 V (Green Light)

Model / Type
Chint NU6‑II Surge Arrester, Type II (Class II), configured in a 4‑pole design, with a 40 kA nominal discharge current and approximately 400 V AC rating.

Number of Poles
Supports 1, 2, 3, or 4 poles, with the 4‑pole version typically covering three phases (L1–L3) plus neutral.

Voltage Rating
Rated for low-voltage systems around 230/400 V AC, 50 Hz—suitable for typical industrial and commercial distribution supplies.

Protection Standard
Meets IEC 61643‑1 and EN 61643‑11 for Type II surge protection devices, designed to safeguard electrical systems and connected loads against surges from lightning or switching events.