The Schneider Electric A9Z31440 is a 4-pole residual current circuit breaker (RCCB) from the Acti9 series, designed for robust electrical safety in demanding environments. This device is engineered to provide reliable protection against earth leakage faults, safeguarding personnel and equipment. It is commonly integrated into distribution boards and control panels for industrial machinery and building electrical systems.

Technical Details

• Series: Acti9
• Poles: 4
• Nominal Current Rating: 40A
• Residual Current Rating: 30mA
• Protection Type: Type A-SI (Sensitive to AC and pulsating DC residual currents, with enhanced immunity to nuisance tripping from transient overvoltages and high-frequency currents)
• Breaking Capacity (Icn): 6kA (Verify against manufacturer datasheet for specific voltage rating)
• Frequency: 50/60 Hz
• Terminal Type: Screw terminals

Applications & Compatibility

This Acti9 RCCB is suitable for use in a wide range of industrial and commercial applications, including motor control circuits, lighting systems, and power distribution for manufacturing equipment. It is compatible with standard DIN rail mounting systems and can be integrated into existing electrical infrastructure where Type A-SI protection is specified for enhanced safety and operational reliability.

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 A9Z31440 or contact our technical team for cross-reference assistance with compatible Acti9 components.