The Schneider Electric Resi 9 series offers advanced protection with the R9R71240, a superimmunized differential switch designed for reliable circuit protection. This 2-pole device operates at 230V and is rated for 40A, providing essential safety for electrical installations. Its Type F SI designation indicates enhanced immunity to transient overvoltages and DC residual currents, making it suitable for demanding environments.

Technical details

• Series: Resi 9
• Product Type: Superimmunized Differential Switch (RCCB)
• Poles: 2
• Current Rating: 40A
• Sensitivity: 30mA
• Voltage Rating: 230V AC
• Frequency: 50/60Hz
• Type: F SI (Super Immunized)
• Dimensions: 81mm x 36mm x 73mm

Applications & compatibility

This differential switch is commonly employed in residential, commercial, and light industrial settings where enhanced protection against earth faults and residual currents is required. It is particularly beneficial in applications susceptible to nuisance tripping from transient surges or DC components, such as those found in modern electronic equipment and variable speed drives.

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 R9R71240 or contact our technical team for cross-reference assistance with compatible Resi 9 components.