Standard Protections - ABB SACE Emax 2 Manual

2 - Standard Protections

List
The Standard protections available for all Ekip Touch models, are:
Name Type of protection
L Overloads with inverse long-time delay
S Short-circuit with adjustable delay
S2 Short-circuit with adjustable delay
(1)
I Instantaneous short-circuit
(3)
G Earth fault with adjustable delay
(2)(5)
Instantaneous short-circuit on circuit-
MCR
(4)
breaker closing
2I Instantaneous short-circuit programmable
IU Current unbalance
Neutral Different protection on neutral phase
T Abnormal temperatures
Iinst Instantaneous short-circuit
Harmonic distortion Distorted waveforms
(7)
Hardware Trip Internal connection errors
Current thresholds Control thresholds exceeded
(7)
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
(7)
the protections do not handle the TRIP, just signaling
28 | © 2019 ABB | 1SDH001316R1002 - ECN000086501 - Rev. A
Threshold
2
; Zone selectivity available with curve t=k; Block configuration available via Ekip Connect
Time Function Additional functions
Thermal memory, Pre-alarm threshold
Trip enable, Zone Selectivity, Thermal
memory, Startup enable, Block
Trip enable, Zone Selectivity, Startup
enable, Block
Startup enable, Lock
Trip enable, Zone Selectivity, Startup
enable, Block, Prealarm Threshold
Monitoring period, Locking
Activation function and mode
Trip enable
Trip enable
Direction of current flow
ABB | SACE Emax 2
(6)
Protections | 2 - Standard Protections