Siemens 3NJ6110 사용 설명서 - 페이지 19

{카테고리_이름} Siemens 3NJ6110에 대한 사용 설명서을 온라인으로 검색하거나 PDF를 다운로드하세요. Siemens 3NJ6110 26 페이지. Plug-in in-line fuse switch-disconnectors

Pulling the in-line fuse

switch-disconnectors

To remove the in-line fuse switch-disconnector proceed as follows:

Step

Isolate feeder and verify dead state at the connecting cables (pull bach covers if

necessary).

Pull LV HRC fuses.

Undo connecting cables from main circuit and tie back if necessary.

Undo any auxiliary connections to fixed- mounted part of cubicle.

Using a screwdriver, undo the fastening screws of the strips on the right and left-

hand sides of the vertical front section. For the right-hand side, the ammeter

and/or fuse monitoring indicator may have to be pulled out beyond the front. A

ratchet with short Torx insert facilitates undoing of the screws.

Further steps to remove the in-line fuse switch-disconnector size 00:

Step

Procedure

Close and secure front flap.

Swing out the handle

and grasp it with the

left hand.

Now insert the finger-

tips of your right hand

in the lateral cutout of

the switching device

cover on the right near

the lock. Using both

hands simultane-

ously, pull the swit-

ching device away

from the distribution

bus.

After separating the device from the distribution bus, place one hand under the

device and pull it out beyond the cubicle front.

Procedure

WARNING

Do not allow any objects or fingertips to come between

the switching device and the distribution busbar duct, as

the device's isolating contacts are still live!

3ZX1012-0NJ61-2AN1