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1MRK 506 331-UUS A
Commissioning Manual
BI
BI
SRY
To test
set
-
ANSI04000202 V2 EN
Figure 24:
Simulating the CB operation by a bi-stable relay/breaker simulator and
manual switches
The following manual switches are used:
•
Switch or push-button to close (SC)
•
Switch or push-button to trip (ST)
•
Switch for CB ready condition (SRY)
If no bi-stable relay or breaker simulator is available, replace it with two self-reset
auxiliary relays and use a self-holding connection.
ST
SC
BR
ANSI04000202-1-en.vsd
Section 6
Testing functionality
119
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