The Schneider Electric M9R35440 is a Multi9 ID series residual current circuit breaker (RCCB) designed for robust electrical protection. This 4-pole device offers a 40A current rating and features an A-SI type tripping characteristic, indicating its suitability for detecting AC and pulsating DC residual currents. With a 300mA sensitivity, it provides selective protection, ensuring that only the affected circuit is interrupted, minimizing disruption to other parts of the electrical system.

Technical details

• Series: Multi9 ID
• Poles: 4
• Current Rating: 40A
• Tripping Type: A-SI (AC and pulsating DC residual current detection)
• Sensitivity: 300mA
• Protection Type: Selective
• Functionality: Residual Current Circuit Breaker (RCCB)
• Voltage Class: Please verify specific voltage rating against manufacturer datasheet.

Applications & compatibility

This selective RCCB is commonly employed in industrial and commercial electrical distribution systems where precise fault detection and discrimination are critical. It is suitable for protecting circuits in environments such as manufacturing plants, data centers, and building services, preventing nuisance tripping while ensuring safety against electrical hazards.

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 M9R35440 or contact our technical team for cross-reference assistance with compatible Multi9 components.