Circuit Protection Devices Traditionally, fuses were the main devices chosen for final circuit protection, up until the 1970's when circuit breaker technology started to become dominant. Today, the three principle circuit protection devices are: Miniature Circuit Breakers (MCBs), Residual Current Circuit Breakers (RCCBs) and Residual Current Circuit Breakers with Overcurrent protection (RCBOs) Miniature Circuit Breakers […]
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