Instruction manual – AQ 110 arc protection unit
37 (80
)
6.1.2
I/O
DESCRIPTION
AQ 110P:
I/O
Function
IL1,IL2,IL3
Monitoring of phase overcurrent threshold
level at incoming feeder 1
Io
Monitoring of residual current threshold level
at incoming feeder 1
S1
Monitoring of arc light in incoming feeder 1
cable compartment and bus-duct (Zone 1)
S2, S5
Monitoring of arc light in incoming feeder 1
breaker compartment and incoming feeder
busbar compartment.
S3, S4
Monitoring of arc light in outgoing feeder
breaker compartments and busbars
compartment (Zone 2)
T1
Trip of incoming main circuit breaker CB1 in
case of fault in zones 1 and 2 and in case of
FAST trip of CB4-x. (*)
T2
Trip of upstream circuit breaker CB2 in case
of fault in zone 1 and in case of FAST trip of
CB1(*)
T3
Trip of outgoing feeder circuit breaker CB4-x
in case of fault in Zone 2.
T4
Trip of outgoing feeder circuit breaker CB4-x
in case of fault in Zone 2.
SF
System failure dry contact for alarming
*FAST dipswitch (SW2-4) can be set to ON position in order to activate the
FAST function on T2 and T3.
Содержание AQ 110 Series
Страница 1: ...INSTRUCTION MANUAL AQ 110 Arc Protection Unit ...
Страница 10: ...Instruction manual AQ 110 arc protection unit 10 80 Figure 2 3 AQ 110F simplified block diagram ...
Страница 60: ...Instruction manual AQ 110 arc protection unit 60 80 7 CONNECTIONS Figure 7 1 AQ 110P terminals at rear plate ...
Страница 61: ...Instruction manual AQ 110 arc protection unit 61 80 Figure 7 2 AQ 110F terminals at rear plate ...
Страница 65: ...Instruction manual AQ 110 arc protection unit 65 80 8 WIRING DIAGRAMS Figure 8 1 AQ 110P Wiring diagram ...
Страница 66: ...Instruction manual AQ 110 arc protection unit 66 80 Figure 8 2 AQ 110F Wiring diagram ...
Страница 68: ...Instruction manual AQ 110 arc protection unit 68 80 Figure 9 2 AQ 110 dimensions in millimeters 3D view ...
Страница 69: ...Instruction manual AQ 110 arc protection unit 69 80 Figure 9 3 AQ 110 cut out for panel mounting millimeters ...
Страница 74: ...Instruction manual AQ 110 arc protection unit 74 80 Tested by Approved by ...