Schneider Electric GUG102MB 2-Way Switch Module Grid System typically refers to a switch that can be used to control a single light or electrical device from two different locations. It's often used in staircases, hallways, or rooms with multiple entrances. The 2-Way Switch Module is a type of electrical switch that controls a light or device from two different switches, providing flexibility in how you can turn the light on or off. 

In some electrical systems, switches, and outlets are designed to fit into a grid system. This allows for modularity and flexibility in arranging electrical components on a wall or panel. 1 gang is the number of switch positions or openings in a faceplate or grid module. 

So, Schneider Electric GUG102MB 2-Way Switch Module Grid System is used to control a light or device from two different locations within a room or space.

Features

• Black in color
• Control a single light or electrical device from two different locations.
• 2-Way switch
• It is a single-pole switch