Schneider Electric's C40a Vigi RCBO circuit breaker, model A9N19278, provides essential overcurrent and residual current protection for single-phase circuits. This device integrates the functions of a miniature circuit breaker (MCB) and a residual current device (RCD) into a single unit, commonly deployed in electrical distribution panels for residential, commercial, and light industrial applications requiring enhanced safety against electric shock and fire hazards.

Technical details

• Series: C40a Vigi
• Configuration: 1 Pole + Neutral (1P+NC)
• Rated Current: 20 Amperes (A)
• Rated Residual Current: 30 milliamperes (mA)
• Tripping Characteristic: AC Type (sensitive to sinusoidal AC residual currents)
• Breaking Capacity: Not specified in provided information; refer to manufacturer datasheet for details.
• Voltage Rating: Not specified in provided information; refer to manufacturer datasheet for details.
• Terminal Type: Not specified in provided information; refer to manufacturer datasheet for details.

Applications & compatibility

The A9N19278 is suitable for protecting circuits in environments where personnel safety is paramount, such as in residential dwellings, office buildings, and workshops. It is designed to detect earth faults and short circuits, preventing damage to equipment and mitigating the risk of electrical fires. This RCBO is compatible with standard DIN rail mounting systems found in most electrical enclosures.

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 A9N19278 or contact our technical team for cross-reference assistance with compatible Schneider Electric C40a components.