nVent Hoffman A303011CT Current Transformer, Screw Cover, Type 3R Current Transformer Enclosure with Screw Cover, Type 3R with outdoor protection and security for instrument current transformers frequently required for transformer-rated watt-hour metering. Cabinets can also be used as a junction box or service box, house meter, transformer, relay or terminal assemblies. Cover is removable in the open position, Door handles provided, Provisions for padlocking, No gasketing or knockouts, Ground lug, Mounting holes on back of enclosure, and Dripshield top and seam-free sides, front and back.