| 摘要 |
The surge arrester with a replaceable overvoltage protection module in a single-pole or a multi-pole configuration, consisting of the U-shaped overvoltage protection base (5) adjusted for inserting one or three or four overvoltage protection replaceable modules (2), where the overvoltage protection replaceable module (2), featuring a visual status signalling window (17) of the thermal disconnector implemented via a visual signalling flexible strip (18), comprises C- shaped plug contacts (1) on the opposite lateral sides and a coding field (4) on one or both lateral sides, comprising of rectangular projections and/or indentations of a different profile, width and length, which slide in the complementary indentations and/or projections on one or both internal lateral sides of the overvoltage protection base (5). |
