The Schneider Electric Acti9 iID K series residual current circuit breaker (RCCB) is engineered for reliable protection against earth leakage faults. This 4-pole unit, designated by the part number A9R50440, features a 40A current rating and is designed for AC type fault detection with a sensitivity of 30mA. It is a critical component for ensuring electrical safety in commercial and industrial environments, commonly integrated into distribution boards for personnel and equipment protection.

Technical details

• Series: Acti9 iID K
• Poles: 4
• Rated Current: 40A
• Type: AC (Alternating Current)
• Residual Current Sensitivity: 30mA
• Function: Residual Current Circuit Breaker (RCCB)
• Protection Type: Earth Leakage Fault Protection
• Voltage Class: Please verify specific voltage rating against the manufacturer's datasheet.

Applications & compatibility

This RCCB is suitable for use in a wide range of electrical installations, including residential, commercial, and industrial settings. It is commonly employed in distribution panels to protect circuits in areas where the risk of electric shock is higher, such as bathrooms, kitchens, and outdoor applications. Its 4-pole configuration makes it ideal for three-phase systems requiring earth leakage protection.

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 A9R50440 or contact our technical team for cross-reference assistance with compatible Acti9 components.