Connection To The Power Circuit - ABB SACE Emax 2 Series Installation, Operation And Maintenance Instructions

Connection to the power circuit The connection of a circuit-breaker to the power circuit is performed using the connection
27 | © 2013 ABB | 1SDH001000R0002 - L7804
busbars of the electric switchgear fixed to the terminals of the circuit-breaker. The sizing of the
busbars is specified by the designer of the electrical switchgear.
Figure 58
The following table provides some examples of the amount and sizes of the connections that
can be used for each type of circuit-breaker:
Circuit-breaker
E2.2 N S H
E2.2 N S H
E2.2 N S H
E2.2 B N S H
E2.2 B N S H
E2.2 N S H
E4.2 V
E4.2 V
E4.2 N S H V
E4.2 N S H V
E6.2 H V X
E6.2 H V X
E6.2 H V X
(*): values for spread terminals
Dimension of
Iu (A)
busbars
800 1x50x10
1000 2x50x5
1250 2x50x10
2x60x10
1600
1x100x10
3x60x10
2x80x10
2000
3x60x10*
2x80x10*
3x60x10
4x100x5
2500
3x60x10*
4x100x5*
2000 2x80x10
2500 2x100x10
3200 3x100x10
4000 4x100x10
4000 4x100x10
5000 5x100x10
6300 7x100x10
Emax E2.2-E4.2-E6.2 circuit-breakers | 6 - Installation
ABB | SACE Emax 2
IMPORTANT: it is possible to obtain
d i ff e re n t c a p a c i t i e s f o r t h e
c o n n e c t i o n s b y a l t e r i n g t h e
thickness and number of busbars
in parallel.
Horizontal Vertical
terminals terminals
yes yes
yes yes
yes yes
yes -
- yes
yes -
- yes
yes -
- yes
yes -
- yes
yes -
- yes
yes yes
yes yes
yes yes
yes yes
yes yes
yes yes
yes yes
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