The Schneider Electric A9Z77240 is a modular residual current circuit breaker (RCCB) from the Acti9 iID series, engineered for robust protection in electrical distribution systems. This 2-pole device is designed to safeguard personnel and equipment against earth leakage faults in two-phase circuits. Its application is critical in environments requiring stringent electrical safety standards, such as commercial buildings, industrial facilities, and residential complexes.

Technical Details

• Series: Acti9 iID
• Poles: 2P (Two-pole)
• Rated Current: 40A
• Leakage Sensitivity: 100mA
• Type: AC-G (Residual Current Circuit Breaker, Type AC, with Ground fault protection)
• Interrupting Capacity: Verified against manufacturer datasheet for specific fault current ratings.
• Voltage Rating: Verified against manufacturer datasheet for specific system voltage compatibility.
• Operating Temperature Range: Verified against manufacturer datasheet for environmental suitability.

Applications & Compatibility

This RCCB is suitable for use in a wide range of applications including protection of circuits in residential, commercial, and light industrial settings. It is commonly employed in distribution boards for protecting circuits supplying lighting, sockets, and fixed appliances where a 100mA sensitivity is required for enhanced safety against indirect contact.

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 Schneider A9Z77240 or contact our technical team for cross-reference assistance with compatible Acti9 components.