CIBANO 500 PTM User Manual
248 OMICRON
3. Connect CIBANO 500 to the main contact of the circuit breaker according to the wiring diagram
displayed in Primary Test Manager.
Figure 17-50: Default wiring diagram of the Demagnetization
Tips & Tricks: For easy connection use the delivered multi-core cables and connect the end with the
short wires to the CIBANO 500 sockets according to the short-wire labels. Connect the cable end with
the long wires according to the wiring diagram to the corresponding Kelvin clamp. The black AN cable
is not needed for this test and remains unconnected.
Tips & Tricks: The delivered Kelvin clamp is the perfect solution for connecting to a massive conductor
like a copper busbar or similar. We recommend using only the red connectors of the Kelvin clamps
(which is the current path) when connecting to the contact fingers of a circuit breaker. Use a separate
clamp for the voltage sense cables (BN and B4) which can be mounted closer to the circuit breaker
contact. If the connection is set up properly the resistance decreases when the voltage sense clamps
are connected closer to the circuit breaker contact. The polarity of connection does not matter for this
test.
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