The KX6 cable is a type of coaxial cable commonly used for various applications such as CCTV installations, video transmission, and other audio/visual setups. The power transmission capacity of a cable can depend on various factors, including its gauge, construction, and voltage.

However, without specific details about the gauge or other technical specifications of the KX6 cable in question, providing an exact power transmission capacity for a 300-meter length is challenging.

Generally, coaxial cables like KX6 have two main conductors: a center conductor and an outer shield separated by insulation. The power transmission capacity of the cable depends on the conductor size (usually measured in gauge or diameter), the material used, and the voltage rating.

For a 300-meter length of KX6 cable, the power transmission capacity can be affected by factors like:

1. Resistance: Longer cable lengths generally lead to higher resistance, which can affect the power transmission. Thicker conductors or cables with lower resistance can carry more power over longer distances with less voltage drop.
2. Voltage and Current Ratings: The power transmission capacity is also influenced by the voltage and current ratings of the cable. Higher voltage ratings allow for greater power transmission capabilities.
3. Application and Use: Different applications may have varying power requirements. For instance, a CCTV camera system might require a certain voltage and current for proper functioning, and the cable used needs to meet those specifications.

To determine the power transmission capabilities of a specific KX6 cable over a 300-meter length, it’s important to refer to the manufacturer’s datasheet or technical specifications. This information typically includes details about the cable’s conductor size, voltage ratings, current capacity, and other relevant parameters necessary for calculating power transmission capabilities over longer distances.

Using proper cable sizing and understanding the cable’s technical specifications are crucial to ensure safe and efficient power transmission over longer distances without voltage drop or power loss issues.