The Schneider Electric Acti9 iID residual current circuit breaker (RCCB) is engineered for reliable protection in electrical installations. This 2-pole device, identified by the A9Z51240 part number, is designed to detect and interrupt fault currents to prevent electric shock and fire hazards. It is a key component in ensuring safety within building and industrial electrical distribution systems.

Technical details

• Series: Acti9 iID
• Type: Residual Current Circuit Breaker (RCCB)
• Poles: 2
• Current Rating: 40A
• Sensitivity: 30mA
• Type of Residual Current Detection: Type B EV (suitable for DC residual currents)
• Breaking Capacity: Refer to manufacturer datasheet for specific breaking capacity (Icn).
• Voltage Rating: Refer to manufacturer datasheet for specific voltage rating (Un).

Applications & compatibility

This Acti9 iID RCCB is commonly specified for applications requiring protection against both AC and pulsating DC residual currents, such as those found in electric vehicle charging stations (EV type designation). It is suitable for use in residential, commercial, and industrial environments to safeguard circuits in distribution boards and control panels.

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 A9Z51240 or contact our technical team for cross-reference assistance with compatible Acti9 components.