Example:
If an error code is displayed, please check for the following:
Faulty connection of the measurement cables.
Incorrect placement of the measurement cables on the High-speed DC Circuit Breaker.
9.10.5 I_Max NO - NC
With this function it can be checked whether the auxiliary contacts (NO and NC) of the DC High Speed Circuit
Breaker function properly.
Preparation.
The High-speed DC Circuit Breaker must be in an “open” position.
Connect the High-speed DC Circuit Breaker’s auxiliary contacts NO/NC to be tested to the trip inputs of the
PROTECTION TEST hardware of the BALTO System.
Contact NC - Trip 1 (3)
Contact NO - Trip 2 (4)
1
2
3
4
1
2
3
4
Fig 39:
PROTECTION TEST module
PROTECTION TEST module
of the BALTO Modular
of the BALTO COMPACT 4000
Example :
Double-contacts switches B
Contact NC - Trip 1 (3) - # 2/4
Contact NO - Trip 2 (4) - # 1/3
Double-contact switches E
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Operation
