84028651 is a three-phase solid-state relay from the Crydom 53TP Series designed for heavy industrial load switching applications. It features SCR output with ratings of 25A or 50A per phase at 48-530 VAC operating voltage, built-in transient protection up to 1200 Vpk, and supports both zero-crossing and random-fire output modes. The relay offers a dielectric strength of 4000 Vrms between input/output/base, operates within an ambient temperature range of -40 to 80°C, and weighs approximately 10.3 oz (315g). With AC or DC control options, LED input status indicator, and UL Recognized/CE Compliant certifications, this relay is ideal for industrial automation, motor control, and power switching applications requiring reliable three-phase operation.