Use of the Distribution Network Operator (DNO) fuse for short-circuit protection of the surge protective device (SPD)
26 January 2026
With recent industry discussions on SPDs (Surge Protection Devices) and OCPDs (Overcurrent Protection Devices), the ENA and BEAMA have published a joint statement to provide clarity on the use of the Distribution Network Operator (DNO) fuse for short-circuit protection of the SPD.