Littelfuse, Inc. Monitor - Relay Output 355200

The 355200 is a three-phase voltage monitor relay designed to protect motors from single-phasing, high and low voltage, phase reversal, and voltage unbalance. It features adjustable trip and restart delay settings, and four diagnostic LEDs that indicate overvoltage, undervoltage, voltage unbalance, reverse-phase, and normal conditions. This model is equipped with a heavy-duty 10 A general purpose SPDT relay and operates on a line voltage range of 190-240 V ac at 50/60 Hz. It has an operating temperature range of -40° to 70 °C, dimensions of 74.42 mm H x 133.86 mm W x 74.93 mm D, and is mounted with #8 screws. The relay is certified to UL 508.