4 Pole 40A 100mA Type A High Immunity RCD Live Electrical Live Electrical RDA440-100 4 pole RCD for reliable multi-phase protection 40A current rating for robust circuit performance 100mA tripping sensitivity for effective fault detection Type A high immunity design helps reduce nuisance tripping Compact dimensions support efficient panel installation Backed by a 2 year guarantee for added confidence Designed for dependable electrical protection in commercial and industrial environments, the Live Electrical RDA440-100 4 Pole 40A 100mA Type A High Immunity RCD provides a dependable solution for safeguarding installations against earth leakage faults. Its high immunity characteristics help maintain operational continuity, while the 4 pole configuration supports three-phase systems requiring comprehensive protection. With a practical compact form factor and trusted Live Electrical quality, this RCD is well suited to professional applications where safety, reliability, and efficient performance are essential. . Brand Live Electrical Part Number RDA440-100 Product Type RCDs 4 Pole Current Rating 40A Tripping Characteristics 100mA Number Of Poles 4 Pole Depth 70mm Height 81mm Width 72mm Weight (grams) 400 Guarantee 2 Years