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A-63
By combining a remote-operated source-
changeover system with an integrated BA or
8$ DXWRPDWLF FRQWUROOHU LW LV SRVVLEOH WR
automatically control source transfer
according to user-selected sequences.
PB100855-30
BA controller.
PB100856-30
UA controller.
PB100857-35
$X[LOLDU\ FRQWURO SODWH IRU D %$ RU 8$ FRQWUROOHU
Functions of the BA and UA controllers
Controller
BA
UA
Compatible circuit breakers
Compact NSX100 to 630
circuit breakers
4-position switch
Automatic operation
b
b
Forced operation on Normal source
b
b
Forced operation on Replacement source
b
b
Stop (both Normal and Replacement sources OFF)
b
b
Automatic operation
Monitoring of the Normal source and automatic transfer from one
source to the other
b
b
Engine generator set start-up control
b
Delayed shutdown (ad
j
ustable) of engine generator set
b
Load shedding and reconnection of non-priority loads
b
Transfer to Replacement source if one of the Normal source phases
is absent
b
Test
By opening the P25M circuit breaker upstream of the controller
b
By pressing the test button on the front of the controller
b
Indications
Circuit-breaker status indication on the front of the controller: ON,
OFF, fault trip
b
b
Automatic-mode indication contact
b
b
Other functions
Selection of type of Normal source
(single-phase or three-phase)
b
Voluntary transfer to Replacement source
b
b
Forced operation on Normal source if Replacement source is not
operational
b
Additional test contact (not part of controller)
Transfer to Replacement source only if contact closed (e.g. for a UR
frequency check)
b
b
Setting of maximum start-up time for the Replacement-source
b
Power supply
Control voltages
(1)
220 to 240 V 50/60 Hz
b
b
380 to 415 V 50/60 Hz
b
b
440 V 60 Hz
b
b
Operating thresholds
Undervoltage
0.35 Un
y
voltage
y
0.7 Un
b
b
Phase failure
0.5 Un
y
voltage
y
0.7 Un
b
Voltage presence
voltage
u
0.85 Un
b
b
Characteristics of output contacts (dry, volt-free contacts)
Rated thermal current (A)
8
Minimum load
10 mA at 12 V
AC
DC
Utilisation category (IEC 60947-5-1)
AC12 AC13 AC14 AC15 DC12 DC13
Operational current (A) 24 V
8
7
5
6
8
2
48 V
8
7
5
5
2
-
110 V
8
6
4
4
0.6
-
220/240 V
8
6
4
3
-
-
250 V
-
-
-
-
0.4
-
380/415 V
5
-
-
-
-
-
440 V
4
-
-
-
-
-
660/690 V
-
-
-
-
-
-
(1)
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