Part of the Schneider Electric Acti9 series, the VIGI C120 earth leakage add-on block (A9N18557) enhances electrical system safety. This 2-pole device is engineered to provide protection against electrical shock, fire hazards, cable overload, and short circuits. Its design integrates seamlessly with compatible Acti9 circuit breakers to deliver comprehensive fault protection.

Technical details

• Series: Acti9
• Type: Earth Leakage Add-on Block
• Pole Configuration: 2P
• Nominal Current Rating: 125A
• Sensitivity: 1000 mA
• Protection Class: A-SI type
• Functionality: Detects earth leakage currents and trips connected circuit breaker
• Compatibility: Designed for use with specific Schneider Electric Acti9 circuit breakers (verify compatibility with manufacturer datasheet)

Applications & compatibility

The Schneider Electric A9N18557 is suitable for use in a wide range of industrial and commercial electrical installations requiring enhanced earth fault protection. Common applications include control panels, machinery, and distribution boards where personnel safety and equipment protection are paramount. This add-on block is integral to building robust safety systems in environments such as manufacturing plants, data centers, and building services.

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 A9N18557 or contact our technical team for cross-reference assistance with compatible Acti9 components.