Residual current circuit breaker 2-pole PFIM-40/2/003-MW 235394

Residual Current Circuit Breakers – Safety and Installation Protection

The residual current circuit breaker PFIM-40/2/003-MW is a key element of every modern electrical installation, providing protection for people and equipment against electric shock and the effects of short circuits and overloads. This device, manufactured by the renowned Eaton company, is characterized by high reliability and precision. Mounted on a DIN rail, it is easy to install and configure, which will be appreciated by both professional installers and people who independently care about safety in their homes.

Construction features and operating parameters

The two-pole circuit breaker with a rated current of 40A and a tripping current of 0.03A (type AC) effectively detects earth leakage currents, cutting off the power supply in case of a hazard. The rated insulation voltage Ui is 440V, and the rated voltage is 230V, making it suitable for standard electrical installations. The short-circuit strength at 10kA guarantees its stable operation even in difficult conditions. Compact dimensions – a width of 2 modules and an installation depth of 70.5 mm – allow for easy adaptation to an existing distribution board. The mechanical lock provides additional safety during maintenance and repairs.

Applications and benefits

The PFIM-40/2/003-MW circuit breaker is used to protect electrical circuits in residential, commercial and industrial buildings. It protects against electric shock from direct or indirect contact with live conductors. Its versatility makes it ideal for protecting sockets, lighting and other electrical appliances. Thanks to its high sensitivity to leakage currents, it minimizes the risk of damage to equipment and fire caused by short circuits or overloads. Additionally, the ability to install additional equipment allows the circuit breaker to be adapted to the specific needs of a given installation. The cross-section of the connected solid wire is 1.5 - 35 mm², and the stranded wire is 1.5 - 16 mm², which ensures compatibility with various types of cables.