The QUINT SFB features Selective Fuse Breaking (SFB) which allows supplemental branch circuit protection on the DC bus to operate as designed in a control system. Upon sensing a fault condition, the SFB technology delivers a short peak of current to the faulted load, ensuring the standard branch protection interrupts the circuit. The power supply continues to deliver power to the other loads, ensuring overall system availability. The static power reserves provide reliable starting of heavy loads with high inrush currents. Power supply offers early warning diagnostics through a local PowerBoost yellow LED and a PowerBoost dry contact.
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