RCDs are designed to disconnect the conducting wires ("trip") quickly enough to potentially prevent serious injury to humans, and to prevent damage to electrical devices. A two-pole, or …

Residual current is the small amount of electrical current that flows through an unintended path, such as a human body or the ground, instead of the intended circuit. It is commonly detected …

Jun 18, 2023 · A residual current circuit breaker (RCCB) is an electrical safety device that detects and interrupts an electrical circuit when there is a leakage current to the ground.

What is an RCD? An RCD, which stands for Residual Current Device, is also known as a Residual Current Breaker (RCB) or Residual Current Circuit Breaker (RCCB). It is a safety …

Nov 21, 2025 · A Residual Current Device (RCD) is a safety device that automatically disconnects the electrical circuit when it detects a leakage of current to earth. In simple terms, it protects …

Residual current is the difference between the current entering a circuit and the current leaving it, which can occur when there is a fault, such as a ground fault or leakage current to an …

Aug 4, 2025 · A residual current device is a protective device that automatically cuts off the power supply when it detects an abnormal current leakage to earth, i.e. an abnormal loss of current …

A residual current, commonly called a differential current, is the difference between the current in the supply conductor and the return conductor of a powered device.

The term ‘residual current operated circuit-breaker without integral overcurrent protection, RCCB (abbreviation)’ is officially defined within the IEC 61008-1-2013 as: residual current operated …

May 16, 2025 · RCDs, or Residual Current Devices, are designed to monitor the electrical current flowing in a circuit and automatically disconnect the power supply if it detects an imbalance …