ABB SACE Emax 2 Installation, Operation And Maintenance Instructions page 42

40 | © 2021 ABB | 1SDH002083A1002 - ECN000119014 - Rev. A
Continued from the previous page
Accessories to
(*)
Procedure
be checked
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
(*)
if present.
(**) withdrawable versions only.
Putting into service and maintenance | 1 - Putting into service
ABB | SACE Emax 2