Introduction
The document discusses the EHD-315 and EHD-630 DC Isolation Switches, which are high voltage DC disconnectors designed to enhance solar power safety. These devices are manufactured by a leading company in the field, emphasizing their role in protecting solar power systems.

Specifications
The EHD series includes models EHD-315 and EHD-630, which are specified for high voltage DC applications. The document likely details the electrical ratings, operational parameters, and physical dimensions of these switches, although specific values are not provided in the excerpt.

Procedures
The document may outline installation and operational procedures for the DC Isolation Switches, ensuring they are used correctly to maintain safety and efficiency in solar power systems.

Standards and Norms
The switches are designed to comply with relevant industry standards and safety norms, ensuring they meet the necessary requirements for high voltage DC applications in solar power systems.

Recommendations
Recommendations for the use and maintenance of the EHD series switches are likely included to optimize performance and longevity, although specific recommendations are not detailed in the provided text.

Conclusion
The EHD-315 and EHD-630 DC Isolation Switches are critical components for ensuring the safety and reliability of solar power systems. As high voltage DC disconnectors, they play a vital role in protecting these systems from electrical faults and ensuring compliance with safety standards.