ABB SACE Emax 2 Installation, Operation And Maintenance Instructions For The Installer And The User page 94

Low voltage air circuit-breakers
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92 | © 2017 ABB | 1SDH000999R0002 - ECN000058721 - Rev. B
Continued from the previous page
Accessories
(*)
Procedure
to be checked
1. Power the protection trip unit with the Vaux auxiliary power supply.
2. Power the Ekip Com Actuator contacts.
3. Charge the springs.
Closing coil with
4. Select "close CB" from the Ekip Touch menu
Ekip Com Actuator
Result: The circuit-breaker closes correctly; the signals are normal.
NOTE! The test can be performed if the protection trip unit and the coils are
energized.
1. Open the circuit-breaker
Lock for circuit-
2. Keep the opening pushbutton pressed
breaker in open
3. Turn the key and remove it
position (key or
4. Attempt the circuit-breaker closing operation.
padlock)
Result: Both manual and electrical closing is prevented.
1. Connect the auxiliary contacts to appropriate signalling circuits or to the
Auxiliary open/
multimeter.
closed contacts of
2. perform some closing and opening operations on the circuit-breaker.
the circuit-breaker
Result: signalling occurs normally.
Circuit-breaker
1. Connect the auxiliary contacts to appropriate signalling circuits.
connected,
2. bring the circuit-breaker to the connected, isolated for test and disconnected
isolated for test,
position.
disconnected
Result: the signals due to the relative operations are normal.
auxiliary contacts
Locking devices
1. Perform operating tests.
for connected/
test/disconnected
Result: the interlocks function correctly.
positions
(**)
Interlocks between
1. Perform operating tests.
circuit breakers
assembled side by
Result: the interlocks function correctly.
side and stacked
1. Perform a few racking-in and racking-out operations.
Racking-in/out
Result: in the rack-in operation the circuit-breaker is connected correctly. There is
device
(**)
no particular resistance during the first turns of the handle.
Auxiliary
Verify the proper installation. The supply voltage of the auxiliary accessories must be
accessories and
between 85% and 110% of the rated voltage for the auxiliary accessories.
auxiliary voltage
1. Power the protection trip unit
Result: Verify that Power LED is lit up on each accessory present.
Modules
Make sure that the Local Bus communication line is activated on the protection trip
unit.
1. In the case of Neutral external homopolar, or residual-current sensors to set the
model and protection parameters appropriately.
External
Result: No alarm present on the protection trip unit.
connections
WARNING! During this phase the circuit-breaker must be open and
disconnected (if withdrawable).
(*)
if present.
(**) withdrawable versions only.
Putting into service and maintenance | 1 - Putting into service
ABB | SACE Emax 2

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Emax e1.2-aEmax e1.2

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