The Schneider Electric 18559 is a Vigi differential module designed for enhanced electrical protection within industrial automation systems. This 3-pole module is part of the C120 series, offering robust fault current detection and interruption capabilities. It is engineered to safeguard equipment and personnel from ground faults and leakage currents, commonly found in motor control centers and distribution panels.

Technical details

• Series: C120
• Poles: 3
• Rated Operational Voltage: 230...415V AC
• Rated Current: 125 A
• Sensitivity (Rated Residual Operating Current): 1 A
• Type: Vigi Differential Module
• Protection Class: Class A (detects AC residual currents, including pulsed DC components)
• Residual Current Type: Si S (Selective, time-delayed)

Applications & compatibility

This Vigi differential module is suitable for integration into Schneider Electric's C120 circuit breaker systems. It is commonly deployed in applications requiring sensitive ground fault protection, such as in manufacturing plants, data centers, and commercial buildings. Its selective tripping capability ensures that only the affected circuit is interrupted, minimizing downtime in complex electrical distribution networks.

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 18559 or contact our technical team for cross-reference assistance with compatible C120 series components.