The Schneider Electric Acti9 iID series residual current circuit breaker (RCCB) is designed for robust electrical protection in demanding industrial environments. This specific unit, identified by the part number A9Z65440, functions as a 4-pole device with a 40A current rating and a 300mA sensitivity. It is engineered to provide reliable safety against earth leakage faults, safeguarding personnel and equipment.

Technical details

• Series: Acti9 iID
• Type: Residual Current Circuit Breaker (RCCB)
• Poles: 4
• Current Rating: 40A
• Sensitivity (Earth Leakage): 300mA
• Type of Residual Current: S (Selective)
• Tripping Curve / Type: B-SI (Indicates specific tripping characteristics for inductive loads and immunity to transient currents)
• Voltage Class: Typically rated for 400V AC, confirm with manufacturer datasheet for precise specifications.

Applications & compatibility

This 4-pole RCCB is suitable for installation in distribution boards and control panels across various industrial sectors. It is commonly employed in applications requiring enhanced protection against earth faults, such as in manufacturing facilities, data centers, and commercial buildings with complex electrical systems. Its B-SI tripping characteristic makes it particularly useful in environments with potential for transient overvoltages or inductive loads that could otherwise cause nuisance tripping.

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 A9Z65440 or contact our technical team for cross-reference assistance with compatible Acti9 components.