ABB RLI Handbuch Seite 10

Example
How an MINIMUM CURRENT RELAY (RLI) works:
Supposing it is used to control a load with the following ratings:
I = 7 A
n
V = 230 V ac (rated regular operating voltage)
n
I = 6 A
min.
1° Connect as shown in diagram (for I
F
N
Power supply
di alimentazione
N.B.: Normally, connect terminals:
7-10 if I
7-11 if I
7-12 if I
10
(rated regular operating current)
(current at which RLI relay is requested to trip)
C
7 8 9 10 11 12
RLI
1 2 3 4 5
Output relay Allarme
Tensione
voltage
(alarm)
230 Vc.a.
230 V ac
is ≤ 2 A
min.
is > 2 A and ≤ 5 A
min.
is > 5 A and ≤ 10 A
min.
min.
Line current to be controlled
I 6A
Rete da controllare I
min.
A
6
= 6 A).
6A Carico
Load
min