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Lenze 481 E/SO DC Drive 23A, 20.5kW 2 Quadrant

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Repair Price: $ 956.00

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CSL Part Number: 10151
Category: DC Motor Controls
Manufacturer: Lenze
Manufacturer Part Number: 481 E/SO
Also Known As(AKA): 093.010.003-3A 1231

Common Failures

Common issues with this product include loose or faulty fuse holders, corroded circuit board areas, leaky and shorted diodes, blown fuses, and defective transformers. Water damage frequently contributes to corrosion and electrical failures. There are also instances of failed integrated circuits and faulty connectors affecting product performance.

Repair Approach

Repairs typically involve replacing damaged components such as diodes, capacitors, transformers, and connectors. Cleaning corroded areas and reconstructing damaged circuit board traces are common procedures. Fuse holders are often tightened or replaced to ensure proper functionality. In cases of water damage, thorough cleaning is conducted.

Testing & Quality

Post-repair, units undergo testing, including burn-in testing ranging from 30 minutes to over 7 hours. Voltage stability is monitored during these tests to confirm that no excessive variations occur. Components are reviewed with specialized equipment to verify their functionality.

Service and repair your broken Lenze part


We can repair your Lenze model 481 E/SO in our facility. Let our skilled technicians get your Lenze back in operation quickly.


Step 1 - Click the green 'Repair Now' button above to add the part and then complete the RMA.

Step 2 - The RMA form will be sent to you via email. Print the RMA form and put it in a box with the item(s) for repair.

Step 3 - Ship or mail the box to the address listed on the RMA.

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