External Toroid Protections; Tripping Curves For Protection Rc - ABB SACE Emax E1.2 Operating Instructions For The Design Engineer

ABB | SACE Emax 2

8 - External toroid protections

The following are the curves available with Rc protection, which is available for all the protection trip units of
the Touch range connected to an Rc toroid.
For the curve of the Gext protection, refer to the curve of G protection, in the chapter "3 - Touch protections"
on page 143.
Tripping curves for protection
Rc
t [s] 10
Rc
3...30
1
0,06...0,8
0,1
0,01
1 10 100
(A)
154 | © 2017 ABB | 1SDH001330R0002 - ECN000058721 Rev. A Protection curves | 8 - External toroid protections