The HD and HS series knife switches (hereinafter referred to as switches) are suitable for use in power distribution systems operating at 50 Hz, with a rated operating voltage up to 690 V and a rated operating current up to 3000 A. They are used for infrequent manual circuit connection and disconnection, or as disconnectors.
The HD and HS series knife switches offer a compact design and flexible mounting options, allowing for vertical or horizontal installation, facilitating optimized layout within distribution cabinets. The blades maintain close contact, ensuring excellent conductivity and minimizing energy loss.
These switches offer excellent mechanical strength and thermal stability, making them suitable for industrial, commercial, and building power distribution systems, effectively enhancing the safety and reliability of electrical systems.
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