Residual current device P 302 2P 40 A 30 mA type AC, DX3 series 411505

Safety and Reliability in Your Electrical Installation

The residual current device P 302 2P 40 A 30 mA AC from the DX3 series is a critical component of every modern electrical installation, providing protection against electric shock and the consequences of short circuits. This device, identified by catalog number 411505, combines high operational effectiveness with compact dimensions—occupying just two modules on a DIN rail.

This residual current device is designed for operation in installations with a rated voltage of 230 V and a rated current of 40 A. Its sensitivity to differential current is 30 mA, ensuring rapid response in the event of earth leakage current. The AC type designation indicates it is intended for protection against alternating differential currents, such as those caused by insulation damage in conductors.

The device’s construction has been carefully designed for easy installation and operation. It supports connection of single-core cables with cross-sections from 0.75 mm² to 50 mm² and multi-core cables from 0.75 mm² to 35 mm², offering flexibility in selecting supply cables. The integrated mechanical lock prevents accidental tripping, enhancing operational safety. Additionally, the test button enables regular verification of proper device functionality.

The P 302 DX³ features high immunity to impulse current (up to 0.25 kA) and a short-circuit withstand capacity of 10 kA, ensuring reliable operation even under demanding environmental conditions. It complies with the NF EN 61008-1 standard and has an IP20 protection rating, providing protection against finger contact and solid objects larger than 12.5 mm in diameter. Operation is guaranteed in ambient temperatures ranging from -25°C to +60°C, making it suitable for use in diverse climatic conditions. This makes it an ideal solution for both professional electricians and end-users seeking dependable protection for their homes and businesses.