Schneider PN072139P904 Thyristor Trigger/Rectifier Board – ATV61/71/610/630/930 – Tested

Product Overview

Original Schneider PN072139P904 thyristor trigger and rectifier board for Altivar ATV61, ATV71, ATV610, ATV630, and ATV930 series drives. This board serves as the critical rectifier pre-charge component, converting AC to DC power while controlling the soft-start sequence via thyristor firing. It protects the DC bus capacitors from inrush current during power-up and is essential for stable drive operation.

Key Features

• Genuine Schneider original – PN072139P904 thyristor trigger / rectifier board
• Compatible with Altivar ATV61, ATV71, ATV610, ATV630, and ATV930 series drives
• AC to DC rectification with thyristor-based soft-start pre-charge control
• Part of the PN072139P90x family (P902, P903, P904)
• Also referenced as “rectifier board” in Schneider’s spare parts documentation
• Operates on 120/240 VAC input with 5 VDC output control logic
• Controls DC bus capacitor charging circuit
• Country of origin: France
• Weight: ~0.5 kg
• Original pulled – no repair history

Specifications

Compatibility Note

• Compatible with Schneider Altivar ATV61, ATV71, ATV610, ATV630, and ATV930 series drives
• Part of the PN072139P90x series – verify original board marking (P902, P903, or P904) before ordering
• CRITICAL: Nameplate photo required – different revisions may be used for different drive configurations
• If mismatched: Incorrect board selection may result in the drive failing to complete the pre-charge sequence, reporting “CRF2” (charging thyristor fault), “OU” (overvoltage), or “LU” (undervoltage)
• This board receives trigger control signals from the CPU control board via optocoupler isolation
• Related part numbers in the same family: PN072139P902 (older version), PN072139P903 (intermediate version), PN072125P3
• 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