The Schneider Electric A9N18558 is a Vigi C120 earth leakage add-on block designed for enhanced electrical safety within industrial distribution systems. This 3-pole device is part of the Acti 9 range, offering selective protection against earth fault currents. It is engineered to integrate with compatible C120 circuit breakers to provide comprehensive residual current protection.

Technical details

• Series: Acti 9
• Product Type: Earth Leakage Add-On Block
• Configuration: 3-pole
• Type: Type A (sensitive to AC and pulsating DC residual currents)
• Sensitivity: 300 mA (0.3 A)
• Functionality: Provides earth fault protection when paired with a compatible C120 circuit breaker.
• Mounting: Designed for direct attachment to compatible Schneider Electric C120 miniature circuit breakers.
• Protection Class: Verified against manufacturer datasheet for specific environmental ratings.

Applications & compatibility

This earth leakage add-on block is commonly utilized in electrical distribution panels for commercial and industrial facilities, including manufacturing plants, data centers, and building management systems. It ensures compliance with safety regulations by providing protection against electric shock and fire hazards caused by earth faults in circuits protected by compatible C120 breakers.

Available from Industrial Automation Co as new, refurbished, or surplus stock, backed by a 2-year warranty with same-day shipping on in-stock items. Request a quote for the Schneider Electric A9N18558 or contact our technical team for cross-reference assistance with compatible Acti 9 components.