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 1SDH000999R0701.
E1.2 B-C-N
06
08
10
12
16
06
08
E1.2 L
10
12
02
E1.2 B-C-N
06
08
10
12
16
06
08
E1.2 L
10
12
02
Figure 43