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Description
2.5 Electronic trip unit ETU600
2.5.5.6
Parameter DAS+ maintenance mode
The settings for the maintenance mode DAS+ are independent of protection parameter
sets A and B.
Parameters
Maintenance mode DAS+
1)
2.5.5.7
Zone-selective interlocking ZSI parameters
The settings for the zone selective interlocking ZSI function are independent of
protection parameter sets A and B. They require the presence of the ZSI200 module.
Zone-selective interlocking ZSI (requires the ZSI200 module)
Parameters
Received signal acts on short-time-delayed short-circuit
protection ST
Received signal acts on ground-fault protection GF
Sends signal on pick-up of short-time-delayed short-circuit
protection ST
Sends signal on pick-up of ground-fault protection GF
Delay tZSI for short-time-delayed short-circuit protection ST
Delay tZSI for ground-fault protection GF
Monitoring of the ZSI200 module in the startup phase
120
Can be switched on/off
Current setting I
i DAS+
Current setting I
g DAS+
Time setting I
g DAS+
Depending on size
I
: Sizes 1 and 2 = 100 A; size 3 = 400 A
g min
Setting range
--
1.5 ... 10 x I
n
I
... 2000 A
1)
g min
0 ... 5 s
Value
Can be switched on/off
Can be switched on/off
Can be switched on/off
Can be switched on/off
0.04 ... 0.4 s
0.04 ... 0.4 s
Can be switched on/off
Equipment Manual, 02/2023, 92310000002-06
Condition
--
--
Ground-fault protection
available,
LSIG GFx
option plug
Ground-fault protection
available
3WA1 air circuit breaker
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Troubleshooting
