Appendix
A.2 Menu structure of the ETUs of the 6-series
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
272 Manual, 10/2018, L1V30499596002-01
Menu structure of the ETUs of the 6-series
LT protection
Overload protection
Characteristic
• I
2
t
• IEC 60255-151 SI
• IEC 60255-151 VI
• IEC 60255-151 EI
• IEC 60255-151 I
4
t
Current setting value I
r
r
Pre-alarm I
r
ST protection
Short-time-delayed short-circuit protection
Characteristic
• I²t OFF / I²t ON
sd
INST protection
Instantaneous short-circuit protection
GF protection
Ground-fault protection
Ground-fault protection method
• I²t OFF / I²t ON
Delay time t
g
r