Page 30 - Sace Emax 2 Manual Touch Protection breakers

ABB | SACE Emax 2
2 - Standard Protections

List
The Standard protections available for all Ekip Touch models, are:
Name Type of protection Threshold Time Function Additional functions (6)
L Overloads with inverse long-time delay Thermal memory, Pre-alarm threshold
Trip enable, Zone Selectivity, Thermal
S Short-circuit with adjustable delay
memory, Startup enable, Block
Trip enable, Zone Selectivity, Startup
S2 (1) Short-circuit with adjustable delay
enable, Block
I (3) Instantaneous short-circuit Startup enable, Lock
Trip enable, Zone Selectivity, Startup
G (2)(5) Earth fault with adjustable delay
enable, Block, Prealarm Threshold
Instantaneous short-circuit on circuit-
MCR (4) Monitoring period, Locking
breaker closing
2I Instantaneous short-circuit programmable Activation function and mode
IU Current unbalance Trip enable
Neutral Different protection on neutral phase
T Abnormal temperatures Trip enable
Iinst Instantaneous short-circuit
Harmonic distortion (7) Distorted waveforms
Hardware Trip Internal connection errors

Current thresholds (7) Control thresholds exceeded Direction of current flow

Further details about the protections are given in document 1SDH001330R1002.

(1) not available with Trip unit model Ekip G Touch
(2) not available with LSI version of Trip unit
(3) can be activated with protection MCR = Disable
(4) can be activated with protection I = Disable
(5) if the presence of sensor S.G.R. is activated, the submenu of protection G will be replaced by that of protection Gext, in the Advanced menu; with
Trip unit models Ekip Hi-Touch and Ekip G Hi-Touch, the two protections are available at the same time
(6) Thermal memory available with curve t=k/I ; Zone selectivity available with curve t=k; Block configuration available via Ekip Connect
2
(7) the protections do not handle the TRIP, just signaling

28 | © 2019 ABB | 1SDH001316R1002 - ECN000086501 - Rev. A Protections | 2 - Standard Protections