ABB | SACE Emax 2
Guide to the product choice | 1 - List for Emax 2 selection5 | © 2017 ABB | 1SDH001330R0002 - ECN000058721 Rev. A
Guide to the product choice
1 - List for Emax 2 selection
Foreword
The circuit-breaker must check and protect , in case of failure and malfunction, the installation components
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.
Device
Type of device
Circuit-breaker
Switch-disconnector
Standard
Reference standard
IEC (EN 60947-2)
UL (UL 1066-ANSI C37.50)
Mechanical characteristics
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: details of the terminals are given in Emax 2 catalogue available on the website http://
new.abb.com/low-voltage/products/circuit-breakers/emax2.
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