Installation; Warnings And Precautions Before The Installation; Mounting Of The Fixed Circuit-Breaker; Mounting Anti-Insertion Locks - ABB SACE Emax 2 Installation, Operation And Maintenance Instructions For The Installer And The User

6 - Installation

Warnings and precautions
before the installation
Mounting of the fixed circuit-
Mounting anti-insertion locks Before installing the fixed part it is necessary to fit the lock that prevents the insertion of circuit-breakers into
23 | © 2017 ABB | 1SDH000999R0002 - ECN000058721 - Rev. B
The following warnings and precautions must be respected before installing the circuit-breaker in the
switchgear
WARNING!
• Disconnect the power from the circuit-breaker (power circuit and auxiliary circuits)
• Make sure the circuit-breaker is disconnected from all sources of energy
• Switch the circuit-breaker to the open position with springs discharged
NOTE: The trained personnel in charge of handling and lifting must use appropriate safety
equipment.
Fix the circuit-breaker to a horizontal surface using four M5 x 25 screws (see Figure 42). Lock the screws with
breaker tightening torque 4 Nm - 35 lb in.
Figure 42
fixed parts with different electrical characteristics (see Figure 43).
Information on the assembly is available on the web site http://www.abb.com/abblibrary/DownloadCenter/,
in particular with the kit sheet 1SDH000999R0701.
Figure 43
L
.2 12
E1 10
08
06
C -N
B- 16
.2 12
E1 10
08
06
02
ABB | SACE Emax 2
L
E 1 .2 1 2
1 0
0 8
0 6
-N 1 6
B -C
1 2
.2
E 1 1 0
0 8
0 6
0 2
Emax E1.2 circuit-breakers | 6 - Installation