The Schneider Electric M9R41240 is a Residual Current Circuit Breaker (RCCB) designed for reliable protection in electrical distribution systems. As part of the Multi 9 series, this 2-pole device offers 40A current handling and is specifically rated for Class A SI sensitivity, detecting sinusoidal alternating currents. It operates effectively within a voltage range of 480Y/277V, providing instantaneous tripping at 26mA.

Technical details

• Series: Multi 9
• Product Type: Residual Current Circuit Breaker (RCCB)
• Poles: 2P
• Current Rating: 40A
• Sensitivity Class: Class A SI (Sinusoidal AC detection)
• Voltage Rating: 480Y/277 V
• Tripping Current: 26 mA
• Tripping Characteristic: Instantaneous

Applications & compatibility

This RCCB is suitable for use in commercial and industrial environments where protection against earth leakage faults is critical. It is commonly integrated into power distribution panels for machinery, control cabinets, and building electrical systems, ensuring safety and preventing electrical hazards in applications such as manufacturing lines, data centers, and HVAC 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 M9R41240 or contact our technical team for cross-reference assistance with compatible Multi 9 components.