The Proguard product range is renowned for its outstanding quality and excellent value for money. RCDs (residual current device) monitor neutral and earth for an imbalance which would normally indicate a leakage to earth. Once this exceeds a pre-determined amount the RCD will trip. It is important to note that they are designed to operate within a percentage amount of the RCDs maximum sensitivity and not run right up to the maximum sensitivity shown on the RCD. Proguard 63 amp double pole 100ma RCD.
