The Schneider Electric A9Z73440 is a 4-pole residual current circuit breaker (RCCB) from the Acti9 iID series, engineered for robust protection against electrical shock and fire hazards. This unit is specifically designed for applications requiring high sensitivity earth fault detection, ensuring rapid disconnection to maintain system integrity and personnel safety. Its 40A rated current capacity makes it suitable for managing significant electrical loads within industrial and commercial environments.

Technical details

• Series: Acti9 iID
• Type: Residual Current Circuit Breaker (RCCB)
• Poles: 4
• Rated Current: 40A
• Sensitivity: 100mA
• Protection Type: AC Type (detects sinusoidal alternating residual currents)
• Function: Provides protection against indirect contact and fire hazards caused by earth faults.
• Disconnection Capability: Ensures rapid tripping upon detection of earth leakage currents.

Applications & compatibility

This RCCB is commonly integrated into electrical distribution systems for commercial buildings, industrial facilities, and control panels where enhanced safety against earth faults is paramount. It is an essential component for protecting circuits in machinery, lighting systems, and power distribution boards, particularly in environments where the risk of earth leakage is higher.

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 A9Z73440 or contact our technical team for cross-reference assistance with compatible Acti9 components.