The Quint SFB power supply family is the first industrial-grade supply to feature selective fuse breaking (SFB), according the manufacturer. SFB technology increases system reliability by providing up to six times nominal current for 12 ms. This short burst of current allows individual circuit breakers to react to overloads. Faulty current paths are shut down, while the power supply continues to deliver power to the other loads. The SFB technology’s power reserve is also available for loads with high start-up current peaks. The supplies also include expanded diagnostics. When the power supply is operating under nominal conditions, a “DC OK” LED indicates the status locally, while a dry contact provides remote indication. In Power Boost, the supply has an additional LED and transistor output to indicate the power supply is delivering more than nominal current. During overload conditions, the “DC OK” LED and its corresponding dry contact output change state to indicate possible fault conditions. The Quint SFB units are on average 30% narrower than earlier Quint generations. PHOENIX CONTACT, Middletown, PA. (800) 322-3225.
Company: PHOENIX CONTACT
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