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This three - phase knife switch is a key electrical device engineered for circuit switching and power isolation in industrial, commercial, and residential electrical setups. It enables safe on/off control of electrical circuits and ensures reliable isolation of power sources during maintenance, protecting operators from electrical hazards.
Core Features
1.Safety - First Isolation Design
When in the “OFF” state, it presents a clear disconnection point, preventing accidental contact with live circuits. This is crucial for safeguarding maintenance personnel and ensuring compliance with electrical safety protocols.
High - Conductivity Copper Contacts
The contacts are made of high - purity copper, which boasts excellent electrical conductivity. This minimizes power loss, reduces heat generation during operation, and allows the switch to handle high - current loads stably — even in demanding industrial environments.
3.Durable & Robust Construction
Metal Components: The frame and other metal parts are crafted from stainless steel or galvanized steel with anti - corrosion treatment. This ensures long - term durability in harsh conditions (e.g., high humidity, dust, or chemical exposure).
Insulating Materials: High - grade engineering plastics or epoxy resin are used for insulation. These materials offer superior dielectric strength, high - temperature resistance, and aging resistance, guaranteeing safe operation across a wide range of temperatures and environments.
4.User - Friendly Operation & Maintenance
The simple manual operation mechanism allows for easy on/off control with minimal effort. Its straightforward design also simplifies maintenance tasks like inspection and component replacement, reducing downtime.
Applications
•Industrial power distribution systems
•Commercial building electrical installations
•Machinery and equipment power control/isolation
•Any scenario requiring safe circuit management and power disconnection for maintenance
