Schneider Electric's A9N19423 is a Residual Current Circuit Breaker (RCCB) designed for enhanced electrical safety in industrial environments. This 2-pole unit, part of the C40 series, offers a rated current of 40A and a residual operating current of 300mA, providing protection against earth faults and indirect contact. Its Type A functionality ensures detection of both AC and pulsating DC residual currents, making it suitable for a wide range of applications where sensitive electronic equipment is present.

Technical details

• Series: C40
• Number of Poles: 2
• Rated Current (In): 40A
• Residual Operating Current (IΔn): 300mA
• Type: Type A (detects AC and pulsating DC residual currents)
• Breaking Capacity (Icn): Not specified in provided information; verify with manufacturer datasheet.
• Voltage Rating: Not specified in provided information; verify with manufacturer datasheet.
• Tripping Characteristic: Not specified in provided information; verify with manufacturer datasheet.

Applications & compatibility

The A9N19423 RCCB is commonly employed in distribution boards and control panels for protecting circuits in commercial buildings, data centers, and manufacturing facilities. Its Type A sensitivity makes it ideal for applications involving electronic devices such as variable frequency drives (VFDs), power supplies, and lighting systems where leakage currents may not be purely sinusoidal.

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 A9N19423 or contact our technical team for cross-reference assistance with compatible C40 series components.