ABB | SACE Emax 2
Management operations
4 - Environmental conditions
23 | © 2023 ABB | 1SDH001000R0002 - ECN000297030
4 - Environmental conditions
Details related to this chapter are available in the manual
(Emax 2 engineering manual)
available on the website ABB library.
5 - 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 discharged
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 4 x M10 screws. Lock the screws with tightening
torque 40 Nm - 354 lb in (see Figure 55).
OK
NO
≤
7 mm
> 7 mm
Figure 55
WARNING! Emax E2.2-E4.2-E6.2 circuit breakers can only be installed in vertical position
Mounting anti-insertion locks
Before installing the fixed part, it is necessary to fit the lock that prevents the insertion of circuit-breakers
with different electrical characteristics from the fixed part. See Figure 56.
Information on the assembly is available on the website http://www.abb.com/abblibrary/
DownloadCenter/, in particular with the kit sheet
.
E2
.2
N
-B
-S
E2
.2
H
E2
.2
N
-B
-S
E2
.2
H
02
08
10
12
16
20
25
08
10
12
16
20
25
02
08
10
12
16
20
25
08
10
12
16
20
25
LE
FT
LE
FT
MA
TC
H
AL
SO
T
HE
R
IG
HT
S
ID
E
MA
TC
H
AL
SO
T
HE
R
IG
HT
S
ID
E
Figure 56
