User Manual

Description
2.4 Electronic trip unit ETU600
3WA Air Circuit Breakers
98 Equipment Manual, 05/2021, 92310000002-03
Parameters Setting range Condition Basic
setting
Power
Forward power
–
3)
–
Can be switched on/off
–
–
Off
Setting 1 … 12000 kW – 2400 kW
Tripping time
0 … 15 s
–
0 s
Reverse power
–
3)
–
Can be switched on/off – – Off
Setting
1 … 12000 kW
–
2400 kW
Tripping time
0 … 15 s
–
0 s
Frequency
Underfrequency
–
2)
–
Can be switched on/off
–
–
Off
Setting 40 … 70 Hz
4)
– fn - 10 Hz
Tripping time
0 … 15 s
–
0 s
Overfrequency
–
2)
–
Can be switched on/off
–
–
Off
Setting
40 … 70 Hz
4)
–
f
n
+ 10 Hz
Tripping time
0 … 15 s
–
0 s
Phase rotation
Phase rotation
–
2)
–
Can be switched on/off
–
–
Off
Tripping time
0 s
–
0 s
1)
Max.( IL1, IL2, IL3) ≥ 100 A
2)
Max.( UL1L2, UL2L3, UL3L1) >50 V
3)
ILx ≥ 100 A and ULxN >30 V
4)
Depending on parameterized rated frequency f
n
2.4.5.3 Parameter DAS+ maintenance mode
The settings for the DAS+ maintenance mode are independent of a protection parameter set.
Parameters Setting range Condition Basic
setting
DAS+ maintenance mode
Can be switched on/off
–
–
Off
Current setting I
i DAS+
1.5 … 10 x I
n
–
1.5 x I
n
Current setting Ig DAS+
1)
Ground-fault
protection
available
Ig min
Time setting Ig DAS+ 0 / 0.05 … 5 s Ground-fault
protection
available
0.1 s
1)
Depending on size and option plug
Ig min: Sizes 1 and 2 = 100 A; size 3 = 300 A
I
g max
: 5000 A with option plug LSIG GFx