ABB SACE Emax 2 Installation, Operation And Maintenance Instructions - page 25
ABB | SACE Emax 2
Emax E1.2 circuit-breakers | 6 - Installation
23 | © 2014
ABB |
1SDH000999R0002 - L8569
6 - Installation
Warnings and precautions
before the installation
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 unloaded
NOTE:
The trained personnel in charge of handling and lifting must use appropriate safety
equipment.
Mounting of the fixed circuit-
breaker
Fix the circuit-breaker to a horizontal surface using four M5 x 25 screws (see Figure 42). Lock the screws with
Tightening torque 4 Nm - 35 lb in.
Figure 42
Mounting anti-racking locks
Before installing the fixed part it is necessary to fit the lock that prevents the insertion of circuit-breakers
having different electrical characteristics from fixed part (see Figure 43).
Information on the assembly is available from the web site http://www.abb.com/abblibrary/DownloadCenter/,
in particular with the kit sheet
E
1.
2
B
-C
-N
06
08
10
12
16
06
08
E
1.
2
L
10
12
02
E
1.2
B
-C
-N
06
08
10
12
16
06
08
E
1.2
L
10
12
02
Figure 43