Schneider Electric E87554_WE Fused Connection is an electrical device used to connect and disconnect electrical power to a specific circuit or appliance. It typically includes a fuse for protection against overcurrent. 45A is the current rating of the device, it is designed to handle electrical currents up to 45 amperes safely. 250V is the voltage rating of the device, which is 250 volts. It is designed to operate safely at voltages up to 250 volts. 

In summary, Schneider Electric E87554_WE Fused Connection is an electrical connection unit with a 45-ampere current rating, a 250-volt voltage rating, one gang position, and a white color. It's used for safely connecting and disconnecting electrical power and may include a fuse for protection.

Features

• An easy-clip screwless front plate for simple removal and replacement
• Curved, matching metal rocker retracts to its original position after depression
• Full 16AX rating for Fluorescent and inductive loads