Siemens SENTRON 3WA1 Manual page 558

Appendix
A.1 Basic settings of the electronic trip unit on delivery
ETU600 LSIG Hi-Z
Protective function
Primary/secondary ratio
G: Ground-fault protection GF Hi-Z
Tripping
Method of ground-fault detection
Characteristic GF curve
UREF current setting I
g
UREF tripping time t
g
REF secondary current setting I
REF alarm time t
g
Intermittent detection
G: Ground-fault GF alarm
Alarm
Current setting I
g alarm
Alarm time t
g alarm
556
g
Basic setting
1000
Off
Dual Hi-Z
I t
0
Depending on the size:
• Size 2: 100 A
• Size 3: 400 A
0.1 s
0.05 A
0.1 s
Off
Off
Depending on the size:
• Size 2: 100 A
• Size 3: 400 A
0.1 s
Equipment Manual, 02/2023, 92310000002-06
3WA1 air circuit breaker