Schneider LV429489 Earth‑Leakage Add‑On Protec

The Schneider Electric LV429489 is a VigiPacT earth-leakage add-on protection module designed for ComPacT NSX 100/160 circuit breakers, operating across a rated voltage range of 200 to 440 V AC at 50/60 Hz. Built for 4-pole applications with rated currents of 100 A and 160 A, it features adjustable residual current sensitivity from 30 mA to 30 A and selectable trip time delays from 0 ms up to 4 seconds.

Technical specifications:

• Commercial reference: LV429489
• Manufacturer: Schneider Electric
• EAN:
• Series / range: ComPacT NSX100...250
• Product type: Vigi earth-leakage add-on module (VigiPacT)
• Number of poles: 4P
• Rated current [In]: 100 A / 160 A
• Rated voltage [Ue]: 200...440 V AC 50/60 Hz
• Network type: AC
• Network frequency: 50/60 Hz
• Residual current protection class: Class A, Class AC
• Residual current sensitivity (Class A): 0.03 A, 0.1 A, 0.3 A, 0.5 A, 1 A, 3 A (adjustable)
• Residual current sensitivity (Class AC): 10 A, 30 A (adjustable)
• Trip delay settings: 0 ms, 60 ms, 150 ms, 300 ms, 500 ms, 800 ms, 1.2 s, 4 s
• Maximum breaking time: 800 ms
• Overvoltage category: IV
• Electrical shock protection class: Class II
• Weight: 1.299 kg
• Standard: IEC 60947-2

Features and benefits:

• Adjustable residual current sensitivity across eight settings for flexible protection configuration
• Selectable time delay from instantaneous to 4 seconds, enabling selective coordination in tiered protection schemes
• Compatible with ComPacT NSX100 and NSX160 circuit breakers, both new generation and classic variants
• Supports Class A and Class AC residual current detection for broader fault coverage including pulsating DC components
• 4-pole design provides protection across all live conductors including neutral

Applications:

• Industrial power distribution switchboards using ComPacT NSX100/160 circuit breakers
• Commercial electrical installations requiring earth-leakage protection with time-delay coordination
• Wiring systems where selective residual current tripping between upstream and downstream devices is required
• Installations subject to overvoltage category IV conditions

Compliant with IEC 60947-2. Part of the Schneider Electric ComPacT NSX range.

Also known as: Schneider LV429489, Schneider Electric LV429489, VigiPacT NSX earth-leakage add-on module, Schneider RCD add-on for NSX.