ABB | SACE Emax 2
Ekip Touch protection trip unit | 14 - External toroid protections
103 | © 2017 ABB | 1SDH001330R0002 - ECN000058721 Rev. A
RC Protection
Rc
Idn
t
I
tdn
Path
Main page - Menus - Settings - Circuit Breaker - Ground protection (reading of the external toroid setting)
Main page - Menus - Advanced (protection parameters)
NOTE:
the menu with the parameters of Rc protection is activated if Rc type Rating Plug and
Ekip Measuring Pro modules are present and correctly installed.
Function
Rc protection protects against the residual current earth faults by detecting the fault current with the
appropriate external Rc toroid.
When the activation threshold is exceeded, the protection trips within a fixed time. The user can set the
threshold and the tripping time of the protection.
Availability
G protection is an alternative to Rc protection on Ekip Touch, Ekip Hi-Touch and Ekip G Touch trip units
(enabling the presence of Rc external toroid to display Rc protection), while both protections are available on
Ekip G Hi-Touch trip units.
Parameters
Here is a list of the available parameters:
Parameter
Description
Threshold Idn
It defines the current value that activates the protection when exceeded.
It is represented as an absolute value (Ampere).
Time tdN
This is the delay time between the exceeding of the Idn threshold and the sending of
the opening command
Summary of Contents for SACE Emax E1.2
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