The Legrand DX3 residual current circuit breaker is a highly advanced protection device designed for use in commercial and industrial installations. With a rated current of 40 A and a rated residual current of 30 mA, this all-current sensitive switch provides reliable protection against electrical fault currents. It is capable of detecting both alternating and direct fault currents and meets the stringent requirements of relevant standards, including VDE and EN. The switch is suitable for mounting on a DIN rail and features a clear switching position indicator as well as a labeling window for easy identification. The design minimizes unwanted tripping and ensures high operational safety, making it ideal for applications in areas such as photovoltaic systems, medical devices, and industrial controls.

• All-current sensitive residual current circuit breaker for alternating and direct fault currents
• Complies with standards VDE 0664-10, VDE 0664-11, EN 61008-1, and EN 62423
• High tripping threshold to reduce unwanted tripping
• Suitable for use in TT, TN-S, and TN-C-S systems
• Mounting on DIN rail with quick fastening.