Snubber and sharing resistor replacement – Rockwell Automation 7000 PowerFlex Medium Voltage AC Drive (B Frame) - Classic Control User Manual

Page 330

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6-40

Component Definition and Maintenance

7000-UM150I-EN-P – June 2013

7000 “B” Frame


The snubber and sharing resistors are part of the resistor assembly
located behind the PowerCage.

1. Remove the PowerCage as outlined in “PowerCage Removal”.

2. Note the connection of the leads for correct replacement.

3. Detach the leads located on the bottom of the resistor assembly.

Snubber Capacitor

Sharing Resistor Connection

Snubber Resistor Connection

Common Snubber and
Sharing Resistor Connection

Anode Connection

Cathode Connection

Push Nuts

Push Nuts

Snubber Capacitor

Sharing Resistor Connection

Snubber Resistor Connection

Common Snubber and
Sharing Resistor Connection

Anode Connection

Cathode Connection

Snubber Capacitor

Sharing Resistor Connection

Snubber Resistor Connection

Common Snubber and
Sharing Resistor Connection

Anode Connection

Cathode Connection

Push Nuts

Push Nuts


Figure 6.27 – Removal of Power Cage

(SGCT Type PowerCage shown)


4. Remove the push nuts on the end of the retaining rod. Pinch the

clip together and pull off. Pull out the retaining rod.

Snubber and Sharing

Resistor Replacement

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