Maintenance - ABB SACE Emax E2.2 Installation, Operation And Maintenance Instructions For The Installer And The User

3 - Maintenance

Safety standards The following are the warnings to be respected during the maintenance operations
Skilled personnel The maintenance operations must be carried out by Skilled Personnel:
Circuit-breaker life The circuit-breakers SACE Emax 2, with or without opening or closing coils, can withstand the following
58 | © 2019 ABB | 1SDH001000R0002 - ECN000109166 - Rev. D
HAZARD! RISK OF ELECTRIC SHOCK! Risk of electric shock or accident.
WARNING! before proceeding with any maintenance operation, it is mandatory to:
• Set the circuit-breaker to the open position and make sure that the springs of the
operating mechanism are discharged.
• In the case of a withdrawable circuit-breaker, extract the circuit-breaker from the fixed
part (see the indication DISCONNECTED)
• If work must be performed on fixed circuit-breakers or on fixed parts, disconnect
the power supply to the power circuit and auxiliary circuits and visibly ground the
terminals on both the supply side and load side.
• Use adequate personal protection equipment, ensure that the apparatus is in a safe
condition and proceed in accordance with the Laws in force.
electrically skilled person (IEV 195-04-01): person with relevant education and experience to enable him or
her to perceive risks and to avoid hazards which electricity can create.
ABB declines all liability for damage to persons or property caused by failure to comply with the instructions
in this document.
operating cycles if regularly serviced. For further information see chapter 4 - Environmental conditions on
page 23.
Interrup-
Mechanical life with
ted rated
regular maintenance
current
circuit-
breaker
No. of
IEC 60947
Iu (40°C) [A] operations
(x 1000)
< 1250 25
1600 25
E2.2
2000 25
2500 20
< 2500 20
2500 20
E4.2
3200 20
4000 15
4000 12
E6.2 5000 12
6300 12
(1)
Only for 900V and 1150V circuit-breakers Operating sequences/hour = 10.
Electrical life
440V 690V
AC AC
Frequency
of
No. of operations (x 1000)
operations/
hour
60 15 15
60 12 10
60 10 8
60 8 7
60 10 10
60 8 8
60 7 7
60 5 4
60 4 4
60 3 2
60 2 2
Putting into service and maintenance | 3 - Maintenance
ABB | SACE Emax 2
900V 1150V
AC AC
Frequency of
operations/
hour
2 1 30
2 1 30
2 1 30
2 1 30
0,5 1 20
(1)
0,5 1 20
(1)
0,5 1 20
(1)
0,5 1 20
(1)
1 1 10
1 1 10
1 1 10
Continued on the next page