Schneider Electric's ProDis DT40 Vigi K series offers robust protection for electrical circuits. This differential circuit breaker, identified by the part number A9N21211, is designed for single-phase plus neutral (1P+N) configurations and features a Type AC tripping characteristic with a sensitivity of 300mA. It is commonly integrated into distribution panels for enhanced safety in commercial and industrial environments.

Technical details

• Series: ProDis DT40 Vigi K
• Configuration: 1 Pole + Neutral (1P+N)
• Breaking Capacity: 4.5 kA
• Trip Curve: Curve C
• Rated Current: 32A
• Differential Type: Type AC
• Residual Current Rating: 300mA
• Voltage Rating: Verify against manufacturer datasheet for specific voltage compatibility.

Applications & compatibility

This differential circuit breaker is suitable for protecting circuits against earth faults and indirect contact in various applications. It is frequently employed in building electrical installations, control panels for machinery, and power distribution systems where reliable residual current protection is paramount. Compatibility extends to standard DIN rail mounting systems.

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 A9N21211 or contact our technical team for cross-reference assistance with compatible Schneider Electric protection devices.