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      6SL3351-1AE37-5BA1

      SINAMICS 745 A Replacement Power Block for Rectifier and U Phase
      In Stock
      Ships by Tuesday, September 22
      Fast Shipping Available

      Product Describe：

      Siemens 6SL3351-1AE37-5BA1 is a SINAMICS 745 A replacement power block containing the rectifier and U-phase sections for a 380-480 V AC Drive/Power Module. It restores the input conversion stage and one inverter phase in the matching drive assembly.

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      Technical specifications Information Alternative names Technical notes FAQ

      Technical specifications for 6SL3351-1AE37-5BA1

      Technical specifications for 6SL3351-1AE37-5BA1

      • Manufacturer:
        Siemens
      • Product Category:
        Server Driver
      • Spare Part Number:
        6SL3351-1AE37-5BA1
      • Estimated shipping dimensions:
        37.4x27x9.5cm
      • Weight:
        3.1 kg
      • Tariff Code:
        85049090
      • Counliy of origin:
        Germany
      • Product type:
        Replacement power block
      • Supply system:
        3 AC
      • Voltage range:
        380-480 V
      • Line frequency:
        50/60 Hz
      • Rated current:
        745 A
      • Power section:
        Rectifier and U phase
      • Module finish:
        Painted
      • Busbar finish:
        Nickel-plated
      • Export classification:
        AL:N / ECCN:EAR99H
      • Quantity unit:
        1 piece
      View as PDF Ask for Quote

      Information

      Information

      Overview Manuals Common Applications Product Precautions
      Siemens 6SL3351-1AE37-5BA1 is a SINAMICS 745 A replacement power block containing the rectifier and U-phase sections for a 380-480 V AC Drive/Power Module. It restores the input conversion stage and one inverter phase in the matching drive assembly.
      • Combines the rectifier power section with the U-phase inverter section for the specified drive execution
      • Carries the documented 745 A conversion path for a 380-480 V three-phase power module
      • Retains painted power assemblies in the identified replacement configuration
      • Provides nickel-plated busbar interfaces for the specified power interconnections

      6SL3351-1AE37-5BA1 is installed with matching SINAMICS AC Drive/Power Module chassis, documented rectifier and U-phase busbar positions, approved gate-drive and control connections, installed cooling and protective-conductor arrangement in the approved SINAMICS AC Drive/Power Module arrangement.

      Discharge the drive DC link and document the incoming rectifier and U-phase connections before exchanging 6SL3351-1AE37-5BA1. Restore busbar hardware, control interfaces, cooling and protective bonding exactly to the approved drive arrangement.

      Important Notice: Confirm 6SL3351-1AE37-5BA1 and the rectifier/U-phase position from the physical marking before removal. Preserve the documented connections and complete the controlled commissioning checks before service.

      6SL3351-1AE37-5BA1 Engineering Documents
      Apter Power 6SL3351-1AE37-5BA1 Rectifier/U Technical Dossier PDFApter Power 6SL3351-1AE37-5BA1 Input-Stage Commissioning Guide PDF
      The first document consolidates the exact article record and engineering data. The second provides a separate installation, safety or commissioning reference for the identified hardware function.
      Rectifier/U phase-section restorationRestores the named input-conversion and inverter sections while preserving the installed phase topology.
      Heavy-duty AC drive maintenanceReturns the documented 745 A rectifier path to service after controlled discharge and connection checks.
      High-current converter cabinet serviceSupports cabinet renewal where the painted assembly and nickel-plated conductor execution must match.
      Controlled input-stage recommissioningProvides a structured route for input-phase, DC-link and U-phase validation before motor enablement.
      Before work, verify 6SL3351-1AE37-5BA1 against the installed SINAMICS AC Drive/Power Module power hardware and follow the applicable Siemens isolation and commissioning procedure.
      1Confirm 6SL3351-1AE37-5BA1 and the rectifier/U-phase position from the physical marking before removal.
      2Isolate the mains supply and verify the complete DC-link discharge interval before opening the power section.
      3Label incoming phases, DC-link conductors, U-phase output, sensors and gate-drive connectors before disconnection.
      4Use ESD controls and protect the semiconductor and control interfaces during handling.
      5Inspect nickel-plated busbar faces, insulators and fastening hardware before reassembly.
      6Match the painted 745 A, 380-480 V execution to the installed AC Drive/Power Module.
      7Apply power through the approved start-up sequence and review rectifier and phase diagnostics.
      8Validate input conversion and U-phase output under controlled conditions before motor release.

      Alternative Names

      Alternative Names

      6SL33511AE375BA1

      Technical notes

      Technical notes

      Discharge the drive DC link and document the incoming rectifier and U-phase connections before exchanging 6SL3351-1AE37-5BA1. Restore busbar hardware, control interfaces, cooling and protective bonding exactly to the approved drive arrangement.

      FAQS

      • Which power sections are contained in 6SL3351-1AE37-5BA1?
        It is the Siemens replacement power block for the rectifier and U-phase sections of the specified AC Drive/Power Module.
      • Which mains execution is specified for 6SL3351-1AE37-5BA1?
        The matching drive execution is 380-480 V three-phase at 50/60 Hz with a 745 A rating.
      • What isolation sequence applies before replacing 6SL3351-1AE37-5BA1?
        Isolate incoming power, secure the drive against reconnection and prove the DC link discharged before touching the rectifier or phase connections.
      • Which conductors must be identified before removing 6SL3351-1AE37-5BA1?
        Identify incoming phases, DC-link conductors, U-phase output, gate-drive connections, sensors and protective bonding.
      • How should the nickel-plated busbars on 6SL3351-1AE37-5BA1 be handled?
        Keep contact faces clean, inspect insulators and reuse only the documented fastening arrangement for the drive execution.
      • Can 6SL3351-1AE37-5BA1 substitute for a V/W-phase power block?
        No; this article is identified for the rectifier and U-phase function and must remain in the matching position.
      • How is 6SL3351-1AE37-5BA1 commissioned after installation?
        Restore the approved power connections, energize in a controlled sequence and verify rectifier diagnostics and U-phase output response.
      • Which evidence should be saved after servicing 6SL3351-1AE37-5BA1?
        Save the identity, phase and busbar record, insulation and connection checks, diagnostic state and controlled test result.
      Trusted by 5,000+ plants worldwide | Backed by our vast inventory of top-tier control parts, modules and cards, fast shipments are dispatched to cover your urgent needs. ABOUT US >>
      Disclaimer: We are not an authorized distributor or distributor of the product manufacturer of this website, The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because our company is not an authorized distributor of this product, the Original Manufacturer`s warranty does not apply.While many DCS PLC products will have firmware already installed, Our company makes no representation as to whether a DSC PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Our company also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from our company, its distributors, or any other source. Our company also makes no representations as to your right to install any such firmware on the product. Our company will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

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