The Schneider Electric Acti9 iID series residual current circuit breaker (RCCB) is engineered for robust electrical protection. This 4-pole unit, identified by the part number A9Z64440, is designed to safeguard electrical installations against earth faults and indirect contact. It is a critical component for ensuring safety in commercial and industrial environments where reliable fault current detection is paramount.

Technical details

• Series: Acti9 iID
• Product Type: Residual Current Circuit Breaker (RCCB)
• Number of Poles: 4P
• Rated Current: 40A
• Sensitivity: 300mA
• Type: B-SI (This designation typically indicates specific tripping characteristics and immunity to nuisance tripping from DC components, but buyers should verify exact specifications against the manufacturer's datasheet.)
• Breaking Capacity: Information not directly derivable from the part number; refer to manufacturer datasheet.
• Voltage Rating: Information not directly derivable from the part number; refer to manufacturer datasheet.

Applications & compatibility

This 40A, 300mA B-SI type RCCB is suitable for use in distribution boards and control panels across various industrial sectors. It is commonly employed in applications requiring protection against earth leakage currents, such as in manufacturing facilities, data centers, and commercial buildings with complex electrical systems. Its specific B-SI tripping curve offers enhanced immunity to transient currents, making it compatible with equipment that may generate small DC residual currents.

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 A9Z64440 or contact our technical team for cross-reference assistance with compatible Acti9 components.