OMICRON 167
Off-service diagnostic methods
Three to six interrupters per phase
If you want to test circuit breakers with more than two interrupters per phase simultaneously phase by
phase, connect the EtherCAT
®
hub to the main device as shown in the following figure.
Figure 17-19: Example of simultaneous measurement of the circuit breakers with up to four interrupters
per phase
Circuit
breaker
control
Circuit
breaker
control
Circuit
breaker
control
L1 L2 L3
EtherCAT
®
CB MC2
CB MC2
CB MC2
CB TN3
EHB1
A1 A2
A3
AN
B1
B2
B3
BN B4
Motion
sensor
Mechanical linkage
CIBANO 500
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