The CROUZET 84873025 is a phase monitoring relay with MWUA designation, designed for 3-phase systems. It features an adjustable delay time ranging from 0.1 to 10 seconds, with a trip range of 183-528 VAC and operational voltage of 208-480 VAC. This DIN rail mounted relay has 1 changeover contact and 5 AMP capacity, measuring 17.5 mm in width.