The SX54=3-121-5 is a Liberty SX-Series simplex pump control panel. Built for reliable control of a single pump in sump basins, effluent or sewage pump chambers, and lift stations. It has an across-the-line magnetic contactor, an HOA switch for manual operation, a circuit breaker for pump disconnect and branch circuit protection, a green pump-run indicator, a red alarm indicator with audible alarm and silence/test switches, and auxiliary contacts. Wired for three-phase power at 575V, rated 1.6-2.5 full load amps (must match the pump), in a NEMA 4X weatherproof enclosure. Ships standard with three pilot-duty float switches (off/on/alarm) on a 20' cord.