KYN61-40.5(Z) Armored Removable AC Metal-Enclosed Switchgear - China Suppliers and Factory for 40.5kV Power Distribution

Main Features

• The cabinet structure adopts an assembled design, with the circuit breaker featuring a handcart ground structure;
• Equipped with a newtype of composite insulated vacuum circuit breaker, characterized by good interchangeability and easy replacement;
• The handcart frame is equipped with a screw nut propulsion mechanism, allowing for easy movement of the handcart and preventing damage from accidental operation;
• All operations can be performed with the cabinet door closed;
• Interlocking between the main switch, handcart, and switch cabinet door adopts a mandatory mechanical interlocking method, satisfying the "five prevention" functions;
• The cable chamber has ample space, allowing for multiple cable connections;
• A rapid grounding switch is provided for grounding and closing short-circuit loops;
• The shell has a Level of Protection IP3X, while the handcart chamber door opened state has a Level of Protection IP2X;
• The product complies with GB3906-2006, DL/T404-2007, and refers to the international standard IEC298.

Use Environment Conditions

• Ambient temperature: Upper limit +40℃, with the average value measured over 24 hours not exceeding 35℃; lower limit -10℃;
• Altitude: Altitude not exceeding 1000m;
• Relative Humidity: Daily average not exceeding 95%, monthly average not exceeding 90%;
• Earthquake intensity: Not exceeding 8 degrees;
• Water vapor pressure: Daily average not exceeding 2.2kPa, monthly average not exceeding 1.8kPa;
• Surrounding environment: Locations free from fire, explosion hazards, severe pollution, chemical corrosion, and intense vibrations.

Technical Parameters

Technical Parameters

Switch Cabinet Dimensions

Installation of Switch Cabinet

• Height of the electrical room: ≥4500mm;
• Distance from the back of the cabinet to the wall: ≥1500mm;
• Flatness of the foundation structure: ≤1mm/ m²;
• The embedded channel steel of the foundation should not exceed 3mm above the ground;
• Can be fixed to the foundation using bolts or welding methods;
• The weight of the switch cabinet is approximately 1800kg;
• Width of the switch cabinet operational corridor (single row): ≥3000mm, double row (facing each other) :≥4000mm.

Ordering Instructions

• Main circuit scheme number, purpose, single-line system diagram, layout diagram, and floor plan of the distribution room;
• Auxiliary circuit wiring schematic and terminal arrangement diagram;
• Model, specifications, and quantity of electrical components within the switchgear;
• Requirements for control, measurement, and protection functions of the switchgear, as well as any other interlocking and automatic device requirements;
• If busbar connections are needed between switchgear or incoming cabinets, please provide specific data such as the rated current capacity of the busbar, span of the busbar, and height above ground;
• If accessories or spare parts are required, please specify the types and quantities;
• If the switchgear is to be used in special environmental conditions, please detail these conditions when placing the order.