Installation; Warnings And Precautions Before The Installation; Mounting Of The Fixed Circuit-Breaker; Mounting Anti-Racking Locks - ABB SACE Emax 2 Installation, Operation And Maintenance Instructions
Low voltage air circuit-breakers
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6 - Installation
Warnings and precautions
before the installation
Mounting of the fixed circuit-
breaker
Mounting anti-racking locks Before installing the fixed part it is necessary to fit the lock that prevents the insertion of circuit-breakers
23 | © 2014 ABB | 1SDH000999R0002 - L8569
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.
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
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 1SDH000999R0701.
E1
08
C -N
06
B-
16
.2
12
E1
10
08
06
02
Figure 43
L
.2
12
10
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
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