Schweitzer SEL-351S 351S#441771 Relay Meter Control Fault LocatorCondition: * New, open box. Never put into service. In OEM packaging. As pictured* Includes instruction manual and production test report.Additional Notes:* Configuration Number: 0351S7144355421* Offers comprehensive feeder and overcurrent protection for industrial and utility feeder applications.* Provides advanced load shedding with six levels of frequency element sand four rates of change of frequency elements, plus under-/over-voltage protections.* Can apply four-shot reclosing with sequence coordination, synchronism check, and voltage check.* Calculates accurate distance-to-fault measurements using the impedance-based fault locator.* Detects transformer energization with second-harmonic blocking elements. The output from the harmonic detection elements blocks selected tripping elements until inrush conditions subside.Schweitzer351S#441771