The Schneider Electric Acti 9 iID A9R21491 is a modular residual current circuit breaker (RCCB) designed for robust electrical safety in demanding industrial environments. As part of the Acti 9 series, this 4-pole device offers comprehensive protection against indirect contact and fire risks, ensuring operational continuity and personnel safety. Its specific configuration makes it suitable for applications requiring reliable fault current detection and interruption.

Technical details

• Series: Acti 9 iID
• Poles: 4
• Rated Current: 100 Amp
• Residual Current Sensitivity: 30mA
• Type: Type A (detects AC and pulsating DC residual currents)
• Breaking Capacity: Not specified; refer to manufacturer datasheet for detailed breaking capacity ratings.
• Voltage Rating: Not specified; refer to manufacturer datasheet for specific voltage compatibility.
• Tripping Characteristics: Designed to trip on residual AC currents and pulsating DC residual currents.

Applications & compatibility

This Schneider Electric RCCB is commonly deployed in electrical distribution systems where enhanced protection against earth faults is critical. Applications include protecting circuits in control panels, motor control centers, and power distribution units for machinery in sectors such as manufacturing, food processing, and water treatment. Its Type A sensitivity ensures effective protection in environments with electronic equipment that may generate pulsating DC fault currents.

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 A9R21491 or contact our technical team for cross-reference assistance with compatible Acti 9 components.