Littelfuse, Inc. Monitor - Relay Output 250600

The 250600 is a three-phase voltage monitor for 475-600 V ac, 50/60 Hz systems, protecting against low and high voltage, unbalance, single-phase, and phase reversal. It features a DPDT relay output rated at 10 A at 240 V ac, adjustable restart delay (2-300 seconds), and LED diagnostics indicating fault conditions. Trip thresholds are 90% low and 110% high voltage, with reset at 93% and 107%. The device operates from -40°C to 70°C, meets UL 508 and CSA 22.2 No. 14 standards, and has dimensions of 74.4 mm × 133.9 mm × 74.9 mm. It mounts with #8 screws and accepts 12-18 AWG wire. Internal transient protection complies with IEC 61000-4-5 (±6 kV).