Protections - ABB SACE Emax E1.2 Operating Instructions For The Design Engineer

Protections Numerous protection functions are available to protect the circuit-breaker in abnormal conditions of the
15 | © 2017 ABB | 1SDH001330R0002 - ECN000058721 Rev. A
installation. The combination of the protection functions varies depending on the type of trip unit, as shown
in the following table:
Dip
Dip Touch
Dip Pr. Touch Pr.
Ekip M. Meas.
Pro
All the protections are described by type:
Type Available protections
DIP protections L (+ functions), S (+ functions), I, G
Touch protections L (+ functions), S (+ functions), I (+ functions), G (+ functions), 2I, MCR, IU 61
Measuring Pro UV, OV, UF, OF, VU, RP and SC (if the Ekip Synchrocheck module is also

protections

present)
Hi-Touch protections S2, D (+ functions), UV2, OV2, UF2, OF2, Set A-B
G Touch protections S(V), RQ, OQ, OP, UP
G Hi-Touch protections ROCOF, S2(V), RQ2
Touch trip units can be connected to an SGR or RC toroid, which allow activation, respectively, of the Gext
protections (page 244) and Rc protections to be activated (page 101).
Touch
DISTRIBUTION
Hi-Touch
Touch Pr.
Ekip M.
Meas. Pro
Hi-Touch Pr.
External toroid
S.G.R.
ABB | SACE Emax 2
GENERATORS
G Touch G Hi-Touch
Touch Pr.
Touch Pr.
Ekip M.
Ekip M.
Meas. Pro
Meas. Pro
Hi-Touch Pr.
G Touch Pr. G Touch Pr.
G Hi-
Touch Pr.
Rc
Introduction to Ekip trip units | 1 - Presentation
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