Allen-Bradley 140MG-H, Инструкция по настройке, Страница: 2 / 3

Green
L Red LED Fully illuminated = L pre alarm (0.9 I1 < I < 1.2 I1) LED Flashing = Overcurrent fault (I > 1.2 I1)
U Red
L | U | I Red LED Flashing = Trip Coil disconnected
LED Color CONDITION Run time
LED Flashing = Phase Unbalance
t6
I6
and
3E 2s<ti<3s
5E 3s<ti<5s @ (7.2 x I1)
10E 5s<ti<10s
20E 10s<ti<20s
In = 100 A
I1 = 100 x (0.4+0.08+0.32)= 80A
CLASS = 3E@(7.2xI1)=2s<ti<3s@576A(7.2Ax80)
Example:
I3
=100 x (6+1+2)=900A
In=100 A
Settaggio di default
Default-Einstellung
Configuration par défauit
Ajuste de default
Example:
t
L
CLASS
I
I3
I1
I
U
t
L
CLASS
I
I3 I1
I
U
min (L1, L2, L3) < 0.1In
max (L1, L2, L3) > 0.5 I1
I6=
{
U = ON
t
L
CLASS
I
I3 I1
I
U
2
t6 = 2s
1
(2)
2
M-LIU
Default setting
DIR 1000721R0507 Version 04
140G-ELTT is required for fault identification in compliance with UL508A