9-1393211-1 is a two-pole high power PCB relay from the Potter & Brumfield T92 series, designed for high-current switching applications. This relay features 30/40/50A switching capability and is designed to control compressor loads up to 3.5 tons (110LRA / 25.3FLA). It meets UL 508 and UL 873 spacing requirements with 8mm through air and 9.5mm over surface clearances, as well as VDE 8mm spacing with 4kV dielectric coil-to-contact isolation. The relay is UL Class F construction rated and approved for 600VAC switching at 1.5HP. Typical applications include HVAC systems, residential and commercial appliances, industrial controls, and charging equipment.