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Automatic Monitoring: Detects undervoltage & overvoltage across all phases
switchgear and enclosure assemblies where board-level surge protection is specified
Complete kit: SPD supplied with live
The dual-handle RCBO design clearly distinguishes between MCB (black handle) and RCD (white handle) faults — saving time on diagnosis and maintenance
High Immunity RCBO – 20A B Curve, Type A, 30mA (WER20B-030) Metal Meter Isolation Automatic Monitoring: Detects undervoltage &The WER20B 030 is a 20A B Curve High Immunity Type A RCBO designed for residential and light commercial circuits including solar PV, battery storage, and EV ready boards. It combines overload, short circuit, and 30mA residual current protection in one device, while its high immunity design helps prevent nuisance tripping in inverter fed or noisy environments. Featuring double pole disconnection and bi directional wiring, this RCBO is a versatile
