ABB POLIM-D 사용 설명서 - 페이지 13

{카테고리_이름} ABB POLIM-D에 대한 사용 설명서을 온라인으로 검색하거나 PDF를 다운로드하세요. ABB POLIM-D 16 페이지. Surge arresters
ABB POLIM-D에 대해서도 마찬가지입니다: 사용 설명서 (16 페이지)

ABB

5.5.

Earthing

Doc. 1HC0010173 AB

Observe national regulations and the requirements of the system owner.

Connect surge arresters to the system ground via the shortest path.

Surge arresters equipped with disconnecting device shall be connected to

earth by a stranded wire. One side of the earth wire shall be connected to the

disconnecting device the other side shall be connected to earth nearby the

mounting position of the insulating bracket.

Observe recommended minimum diameters for POLIM

Copper

dia. 20 mm

Aluminum

dia. 40 mm

Operating instructions for POLIM

-D surge arrester

-D: