ABB REX 521 Panduan Pengoperasian - Halaman 4

Jelajahi secara online atau unduh pdf Panduan Pengoperasian untuk Perangkat Perlindungan ABB REX 521. ABB REX 521 20 halaman. Relay retrofit program, cutting tool

Halaman Cetak

2. Panel cut-out dimensions

Figure 1: REX521RRP with REF615 replacement relay
There are two options to widen the existing cut-out: To the left or to the right depending of the switchgear lay-out
(free space on it).
A
A
B
B
C
C
Figure 2: Left cutting
Figure 3: Right cutting
A. 179 mm ± 1, new cut-out width
B. 136 mm ± 1, old cut-out width
C. 254 mm ± 1
C u t t i n g To o l O p e r at i n g G u i d e
4