Weidmueller TCC 6.4/51 BL

The TCC 6.4/51 BL is likely an industrial component, such as a relay or fuse. The "TCC" could refer to the product series, while "6.4/51" may represent specific voltage, current, or power ratings associated with the component. The "BL" designation could indicate a particular feature, such as a color code (e.g., "Black") or a specific function related to the product's operation. For more detailed and accurate information about its specifications and use, it's best to consult the manufacturer's datasheet or technical documentation.