NDB5EL-40/80

The NDB5EL-40 and NDB5EL-80 IoT Residual Current Operated Circuit Breakers are intelligent devices featuring automatic opening and closing, overvoltage and undervoltage protection, earth leakage protection, energy metering, temperature monitoring, overload time-delay protection, scheduled switching, power limiting, and three-phase unbalance protection. They enable communication management via PC or mobile APP, primarily for energy metering and circuit loop control.