Guide To The Product Choice - ABB SACE Emax 2 Series Operating Instructions Manual

4 - Guide to the product choice

Foreword The circuit-breaker must check and protect , in case of failure and malfunction, the installation components
Device
Standard
Mechanical characteristics
9 | © 2023 ABB | 1SDH001330R1002 - ECN000297030
that are connected to it. To perform this function, Emax 2 circuit-breakers offer a series of options, that
can be selected by the user according to the particular requirements of the installation.
For a good design, the main characteristics the components must be selected with the greatest care.
In order to help the design engineers in selecting the Emax2 circuit-breakers, a sheet is provided below
containing the main selection criteria for air circuit-breakers. This sheet can be completed (in whole or in
part) by the design engineer to guide subsequent design choices and can be used by the client for work
contracts. Besisdes, this sheet is a useful tool for rapid configuration in CAT selection software.
Type of device
Circuit-breaker
Switch-disconnector
Reference standard
IEC (EN 60947-2)
UL (UL 1066-ANSI C37.50)
Insulation function
Yes
No
Nº poles
3
4
Installation version
Fixed
Withdrawable
Terminals
Horizontal/Vertical
Spread
Front
Extended front
Spread front
Floor
For 4x240 FcCuAl cable
NOTE: consult the technical catalog for details about the terminals.
ABB | SACE Emax 2
Circuit-breakers E1.2-E2.2-E4.2-E6.2
4 - Guide to the product choice