The Schneider Electric A9Z32440 is a 4-pole residual current circuit breaker (RCCB) from the Acti9 series, designed for enhanced electrical safety in demanding industrial environments. This Type A SI breaker is engineered to prevent nuisance tripping, ensuring continuous operation in high-availability systems. Its robust construction and advanced tripping characteristics make it suitable for protecting circuits against earth faults and indirect contact.

Technical Details

• Series: Acti9
• Poles: 4
• Type: A SI (Sensitive to AC and pulsating DC residual currents, with enhanced immunity to transient overvoltages and nuisance tripping)
• Rated Current: 40 A
• Rated Residual Operating Current: 30 mA
• Breaking Capacity: 6 kA
• Voltage Rating: 400V AC
• Frequency: 50/60 Hz
• Terminal Type: Screw terminals

Applications & Compatibility

This residual current circuit breaker is commonly employed in industrial control panels, motor control centers, and power distribution systems where reliable protection against earth leakage is critical. It is suitable for use in applications such as manufacturing plants, water treatment facilities, and commercial buildings to safeguard personnel and equipment from electrical hazards.

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 Electric A9Z32440 or contact our technical team for cross-reference assistance with compatible Acti9 components.