ABB | SACE Emax 2
Mechanical characteristics
3 - Installation
170 | © 2023 ABB | 1SDH001330R1002 - ECN000297030
Earthing (for E2.2-E4.2-E6.2
only)
The circuit-breakers in fixed version and the fixed part of withdrawable circuit-breakers are equipped with
a screw for the ground connection.
The connection must be implemented by means of a conductor of suitable cross-section according to the
IEC 61439-1 Standard.
Clean and degrease the area around the screw before making the connection.
After assembly of the conductor, tighten the screw with a torque of 2 N m - 17.7 lb in.
Alternatively, no connection will be required if circuit-breaker frame continuity with the switchgear
earthing is provided by the metal contact (support) between the circuit-breaker and the metal structure
of the switchgear (or a part of the protection circuit) (as long as there are no insulating panels between
the circuit-breaker and the metal frame of the switchgear).
Figure 108
Figure 109
Clearances
Information on clearances is available on the website:
http://www.abb.com/abblibrary/DownloadCenter/
The following layout is also available 1SDH001301r0001 - Cubicle E1.2-E2.2-E4.2-E6.2
Phase separators (for E2.2-
E4.2-E6.2 only)
Phase barriers are mandatory for 2ps configuration. For the 4ps configuration it is possible to place
isolation barriers for the segregation of live parts.In addition, the phase separators are mandatory:
• If, between two phases, the minimum distance between the screws that fix the circuit-breaker
terminals to the connection bars is less than 14 mm - 0.55".
• For circuit breakers version IEC >690V and UL >635V.
Information on the assembly is available on the website http://www.abb.com/abblibrary/
DownloadCenter/, in particular with the kit sheet 1SDH001000r0810.
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