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FI Circuit Breakers

362 items in 573 variations
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Buy a residual current circuit breaker

A residual current circuit breaker (RCCB) is an indispensable safety component in electrical systems. It monitors the current flow and measures residual currents that arise from insulation faults or unwanted leakage currents. As soon as a residual current is detected, the RCD interrupts the circuit within milliseconds, thus protecting people from dangerous electric shocks. It is available in different variants, including types A, B and F, as well as single-pole, two-pole, three-pole or multi-pole, depending on the application and network configuration.

RCDs are used in private, commercial and industrial areas. They are essential in residential buildings to protect against electric shocks. In medical technology, special RCDs with high tripping sensitivity are required to reliably protect patients and equipment. In industry, they are mandatory for machines and production facilities. They are also indispensable in humid environments such as bathrooms or outdoor areas.

Maximum protection with RCDs from Bürklin

At Bürklin, you will find a wide selection of RCDs for a range of applications. Our range includes models from leading manufacturers. Thanks to the practical filter options in the online shop, products can be selected specifically according to voltage, number of poles or degree of protection. In addition, we offer a variety of circuit breakers, micro fuses and motor protection switches for a comprehensive electrical installation. Visit our online magazine Electronic Competence for more technical articles.