The Atlas Connector is a panel with three on-off switches for track sections (blocks) or accessories. It has three SPST (single-pole, single-pole) on-off switches in parallel. Use to control power to sidings, accessories, etc. Can be coupled together in any number. The connector has threaded screw hole terminals to accept 3-48 screws and Spade Tongue Solderless Connectors. Contacts are housed in a molded styrene housing that canbe directly connected to other Atlas Connectors. Includes mounting holes in the housing. The Connector is part of the line of Atlas 150 electrical accessories and lighting.