ABB RLV Bedienungsanleitung Seite 10

Example
How a MINIMUM VOLTAGE RELAY (RLV) 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
V = 200 V ac (voltage at which RLV relay is requested to trip)
min.
1° Connect as shown in diagram (for V
N.B.: Normally, connect terminals:
7-10 if V
7-11 if V
7-12 if V
10
(rated regular operating current)
Line voltage to be controlled
F
V
Rete da controllare V
min.
N
C
7 8 9 10
RLV
1 2 3 4
Output relay Allarme
Power supply
Tensione
di alimentazione
(alarm)
voltage
230 Vc.a.
230 V ac
is ≤ 100 V
min.
is > 100 V and ≤ 300 V
min.
is > 300 V and ≤ 500 V
min.
min.
= 200 V ac
200Vc.a.
min
11 12
A
5 6
= 200 V).
Load
Carico