The Schneider Electric R9FS645 is a selective residual current device (RCD) designed for residential and light commercial distribution boards. As part of the Resi9 DB60 series, this 1-pole + neutral device offers enhanced protection against earth faults and indirect contact. It is engineered to provide selective tripping, preventing nuisance tripping of upstream protective devices while ensuring rapid disconnection in fault conditions.

Technical details

• Series: Resi9 DB60
• Type: Selective Residual Current Device (RCD)
• Configuration: 1 Pole + Neutral (1P+N)
• Rated Current: 15A, 30A, or 45A (refer to specific model designation for exact rating)
• Rated Sensitivity: 500mA (0.5A)
• Breaking Capacity: DB60
• Tripping Characteristic: Selective
• Voltage Rating: Typically 230/400V AC (verify with manufacturer datasheet for precise rating)
• Frequency: 50/60 Hz

Applications & compatibility

This RCD is commonly integrated into residential electrical panels and small commercial distribution systems. It is suitable for applications requiring enhanced earth fault protection, such as in areas with higher moisture levels or where selective coordination with upstream breakers is critical. The R9FS645 is designed to work within standard DIN rail mounting 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 R9FS645 or contact our technical team for cross-reference assistance with compatible Resi9 components.