Littelfuse, Inc. Monitor - Relay Output 460-OEM

The 460-OEM is a bulk-packaged variant of the 460 series three-phase voltage monitor, designed for motor protection across 190-480 V ac, 50/60 Hz systems. It shares all standard features of the series: automatic voltage sensing, adjustable 1-30 second trip delay, 1-500 second restart delay, 2-8% adjustable voltage unbalance trip point, and a form C output relay. The unit includes microcontroller-based sensing, LED diagnostics, and operates within an ambient temperature range of -20° to 70 °C. It is certified to UL508 and IEC 60947-6-2, meets IEC 61000-4-2, -4-4, and -4-5 ESD and surge standards, and is mounted on 35 mm DIN-rail or via surface screws. The enclosure is polycarbonate with IP20, NEMA 1 protection. Dimensions are 88.9 mm H × 52.9 mm W × 59.69 mm D. This model is supplied as a pack of 20 units.