ABB XT7, Operation And Maintenance Manual

Page: 45 / 193

ABB | SACE Tmax XT
Protections | 7 - Standard Protections 43 | © 2020 ABB | 1SDH001821A1002 - ECN000135670
7 - Standard Protections
List The Standard protections available for all Ekip Touch models, are:
Name Type of protection Page
L Overload with inverse long-time delay 44
S Selective short-circuit 45
S2
(2)
Short-circuit with adjustable delay 46
I Instantaneous short-circuit 47
G
(1)
Earth fault with adjustable delay 48
MCR Instantaneous short-circuit on circuit-breaker closing 49
2I Instantaneous short-circuit programmable 50
IU Current unbalance 51
Neutral
(3)
Different protection on neutral phase 51
Harmonic
distortion
Distorted waveforms 52
T Abnormal temperatures 52
Hardware Trip Internal connection errors 52
(1)
not available with LSI version of Ekip Touch
(2)
not available with Ekip G Touch
(3)
not available with Ekip M Touch