![Show Menu](styles/mobile-menu.png)
![Page Background](./../common/page-substrates/page0297.png)
D-61
Additional information
Electrical characteristics
Designing busbars
Fupact INF, ISFT
Vertical Linergy LGYE, LGY busbars
Permissible current and selection of Linergy LGYE busbars
The goal is to optimise busbar size according to the installation and operating
criteria.
Vertical Linergy LGYE busbars
Fupact INF/ISFT
Type of bars
Permissible current (A)
Ambient temperature around the switchboard
25 °C
30 °C
35 °C
40 °C
45 °C
50 °C
Size per phase
IP
y
31 IP > 31 IP
y
31 IP > 31 IP
y
31 IP > 31 IP
y
31 IP > 31 IP
y
31 IP > 31 IP
y
31 IP > 31
Linergy LGYE 630
650
550
630
510
590
480
550
460
530
440
460
bb
Linergy LGYE 800
840
720
800
700
760
660
720
610
680
580
640
bb
Linergy LGYE 1000
1040
900
990
870
950
830
900
770
850
730
800
bb
Linergy LGYE 1250
1290
1120
1230
1080
1170
1030
1100
970
1050
910
980
bb
Linergy LGYE 1600
1580
1390
1480
1320
1390
1250
1320
1180
1250
1110
1180
bb
Linergy LGYE 2000
1900
1720
1820
1620
1720
1520
1620
1420
1520
1320
1420
bb
Linergy LGYE 2500
2290
1890
2190
1840
2070
1770
1960
1680
1880
1590
1780
bb
Linergy LGYE 3200
3060
2780
2920
2640
2780
2500
2640
2360
2500
2220
2360
bb
Linergy LGYE 4000
3320
3050
3240
2950
3140
2850
2970
2700
2800
2540
2650
bb
bb
Connection impossible due to the operating-temperature limits of the devices installed in the switchboard.
Lateral Linergy LGY busbars
Fupact INF/ISFT
Type of bars
Permissible current (A)
Ambient temperature around the switchboard
25 °C
30 °C
35 °C
40 °C
45 °C
50 °C
Size per phase
IP
y
31 IP > 31 IP
y
31 IP > 31 IP
y
31 IP > 31 IP
y
31 IP > 31 IP
y
31 IP > 31 IP
y
31 IP > 31
Linergy LGY 630
680
590
630
550
590
530
550
500
530
460
460
bb
Linergy LGY 800
840
760
800
720
760
680
720
640
680
600
640
bb
Linergy LGY 1000
1040 950
990
900
950
850
900
800
850
750
800
bb
Linergy LGY 1250
1290 1170 1230 1100 1170 1030 1100 970
1050 910
980
bb
Linergy LGY 1600
1580 1390 1480 1320 1390 1250 1320 1180 1250 1110 1180
bb
Linergy LGY 2000 (2 x 1000)
1900 1720 1820 1620 1720 1520 1620 1420 1520 1320 1420
bb
Linergy LGY 2500 (2 x 1250)
2380 2120 2260 2020 2120 1900 2020 1780 1900 1660 1780
bb
Linergy LGY 3200 (2 x 1600)
3060 2780 2920 2640 2780 2500 2640 2360 2500 2220 2360
bb
bb
Connection impossible due to the operating-temperature limits of the devices installed in the switchboard.