253 / 338
D-19
Additional information
Designing vertical busbars
Linergy LGY
Electrical characteristics
Permissible current and selection of Linergy LGY busbars
The goal is to optimise busbar size according to the installation and operating
criteria.
Up to 3200 A
Linergy LGY section
Type of bars
Permissible current (A)
Ambient temperature around the switchboard
25 °C
30 °C
35 °C
40 °C
45 °C
50 °C
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
750
680
710
630
680
590
630
550
590
530
550
bb
Linergy LGY 800
920
840
880
800
840
760
800
720
760
680
720
bb
Linergy LGY 1000
1140 1040 1090 990
1040 950
990
900
950
850
900
bb
Linergy LGY 1250
1410 1290 1350 1230 1290 1170 1230 1100 1170 1050 1100
bb
Linergy LGY 1600
1800 1650 1720 1580 1650 1480 1580 1390 1480 1320 1390
bb
Linergy LGY 2000 (2 x 1000)
2200 2000 2100 1900 2000 1820 1900 1720 1820 1620 1720
bb
Linergy LGY 2500 (2 x 1250)
2740 2500 2620 2380 2500 2260 2380 2120 2260 2020 2120
bb
Linergy LGY 3200 (2 x 1600)
3480 3200 3340 3060 3200 2920 3060 2780 2920 2640 2780
bb
bb
Connection impossible due to the operating-temperature limits of the devices installed in the switchboard.
Example:
A Linergy LGY channelled bar can be used for a 1650 A current with an IP
y
31 and
an ambient temperature around the switchboard of 35 °C.
DD381233.eps
DD381234.eps
DD381235.eps
DD385507.eps
Section 630 A.
Cat. No. 04502.
Section 800 A.
Cat. No. 04503.
Section 1000 A.
Cat. No. 04504.
Section 1250 A.
Cat. No. 04505.
DD385508.eps
Section 1600 A.
Cat. No. 04506.
Note:
the values indicated above have been validated for Prisma P switchboards.