Siemens A5E00444764 Surge Absorption / Filter / Rectifier Board – MM4 55–90KW – Tested

Product Overview

Original Siemens A5E00444764 surge absorption, filter, and rectifier board for MICROMASTER 4 series drives. This board serves as the input rectification and filtering interface for the drive’s power section, integrating AC line surge absorption, RFI/EMC filtering, and rectifier circuitry. Identified by Siemens as repair part “MM4F-BGR.RCC6 400V COATED.”

Key Features

• Genuine Siemens original – A5E00444764 surge absorption / filter / rectifier board
• Compatible with MICROMASTER 4 series (MM430 / MM440) drives
• Power range: 55KW – 75KW – 90KW
• Input voltage: 400V AC (3-phase)
• Integrated functions: surge absorption, RFI/EMC filtering, and rectification
• Siemens repair part designation: MM4F-BGR.RCC6 400V COATED
• Conformal coated PCB – protection against moisture, dust, and corrosive environments
• Dimensions: ~27 × 11 × 5 cm
• HS Code: 85044095
• Original pulled – no repair history

Specifications

Compatibility Note

• Compatible with Siemens MICROMASTER 4 series (MM430, MM440) drives
• Specifically for 55KW, 75KW, and 90KW power ratings at 400V AC
• Siemens repair part designation: MM4F-BGR.RCC6 400V COATED
• The “COATED” designation indicates this board has a conformal coating for protection against moisture, dust, and corrosive industrial atmospheres
• This board is part of the MM4 repair part family and is obsolete — aftermarket supply only
• Verify drive model, power rating, and original board marking before ordering
• Send drive nameplate photo for accurate matching

Quality Assurance

• Original pulled from working drive; tested functional with no repair history
• Actual photos sent before shipping
• Test video available upon request
• ESD anti-static packaging