Weidmueller TCC 6.4/51 BK

The TCC 6.4/51 BK is likely an industrial component, such as a relay, fuse, or similar device. The "TCC" may refer to the product series, and "6.4/51" could indicate specific voltage, current, or performance ratings. The "BK" designation likely refers to the color (e.g., "Black") or another functional feature of the device. For accurate and detailed specifications, it is recommended to consult the manufacturer's datasheet or technical documentation.