ABB RLI Handbuch Seite 12

Example
How a MAXIMUM CURRENT RELAY (RHI) works:
Supposing it is to control a load with the following ratings:
I = 5 A
n
V = 230 V ac (rated regular operating voltage)
n
I = 6 A
max
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
12
(rated regular operating current)
(current at which RHI relay trips)
C
7 8 9 10 11 12
RHI
1 2 3 4 5
Output relay
Allarme
Tensione
voltage (alarm)
230 Vc.a.
230 V ac
is ≤ 2 A
max
is > 2 A and ≤ 5 A
max
is > 5 A and ≤ 10 A
max
max
Line current to be controlled
Rete da controllare I I 6A
max.
A
6
= 6 A).
6A Load
Carico
max