Schneider NHA50381-03 Power/Driver Board – ATV610/630/340/330/930 30-45KW – Tested

Product Overview

Original Schneider NHA50381-03 power and driver board for Altivar ATV610, ATV630, ATV930, ATV340, and ATV330 series drives. The NHA50381-03 is the 37KW variant of the NHA50381 series power board family for Schneider’s Altivar Process and Altivar Machine drive platforms.

Key Features

• Genuine Schneider original – NHA50381-03 power/driver board
• Compatible with ATV610, ATV630, ATV930, ATV340, and ATV330 series drives
• Power ratings: 30KW – 37KW – 45KW
• Voltage: 3-phase 380-480V AC
• Core power stage component – IGBT gate drive, DC bus regulation, power distribution
• Ambient temperature: 0°C to +50°C (forced air cooling recommended)
• Protection class: IP20 (panel/enclosure mount)[reference:6]
• Relative humidity: 5% – 95%, non-condensing
• Certifications: CE, UL, cUL, RoHS
• Weight: ~1 kg
• Country of origin: France
• Original pulled – no repair history

Specifications

Compatibility Note

• Compatible with Schneider Altivar ATV610, ATV630, ATV930, ATV340, and ATV330 series drives
• Specifically for 30KW, 37KW, and 45KW power ratings at 400V AC
• Alternative part numbers: NHA50381-00, NHA50381-01, VX4PPD37N4– verify original board marking
• Also compatible with ATV610/ATV630 37KW modules
• CRITICAL: Nameplate photo required – different power ratings and drive versions may use different board variants
• If mismatched: Incorrect board selection may result in drive failing to power up, reporting “DC Bus Fault,” or experiencing IGBT drive errors
• 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