Baoding zhongyi electric GCK type low voltage extraction switch cabinet is suitable for rated working voltage 380V. Ac three-phase four-line, three-phase five-line system, as the power plant of the power system, substation industry and mining enterprises and high-rise buildings in the receiving, feeding, reactive power compensation, electrical energy calculation, lighting and motor centralized control.

This product conforms to GB7251 "low-voltage switchgear and control equipment", JB/T9661 "low-voltage drawout switchgear". Iec60439-1 standard for low-voltage switchgear and control equipment.

GCK type low-voltage draw-out switch cabinet structure:

GCK means: G -- cabinet structure, C -- extraction, K -- control

The cabinet body is a combined assembly structure, and the skeleton is assembled by KB profile (C profile) or KS profile (8MF profile). The horizontal busbar is placed on the top of the cabinet, the top cover can be opened, the cabinet body is equipped with a back door, the outlet is used after the outlet, the installation and maintenance is more convenient. Cabinet protection grade IP3X-4X. Drawer shall be operated by opening or door. When opening the door, the drawer adopts the pulling type two-position, pulling type three-position operating mechanism and spiral propulsion mechanism, while when opening the door, the drawer adopts CXJG operating mechanism. The primary plug-in adopts a new valve - free mode with higher reliability. The rated current of the unit circuit is less than 600A, of which 1/2 unit drawer current can reach 100A.

Main technical parameters of GCK type low-voltage draw-out switchgear:

(1)rated insulation voltage: 660V;

(2) rated working voltage: 380V;

(3) rated working voltage of auxiliary circuit ac 380V, 220V;

(4) rated current of bus: 1000A, 1250A, 1600A, 2000A, 2500A, 4000A;

(5) rated short-term withstand current of bus: 50KA(effective value)1 second;

(6) rated peak withstand current of bus: 105KA;

(7) rated current of branch bus: 630A, 800A;

(8) rated short-term withstand current of branch bus: 30KA, 50KA(effective value) for 1 second;

(9) rated constant peak withstand current of branch bus: 63KA, 105KA;

(10) enclosure protection grade IP40.

Features of GCK type low-voltage draw-out switchgear:

(1) switch cabinets can be divided into receiving cabinets, PC cabinets (power center), MCC cabinets (motor control center) and capacitor compensation cabinets according to their operating characteristics.

(2) drawers of the same functional units are interchangeable. Once the failure occurs, the unit will be pulled out and the spare drawer will be inserted to deliver electricity, which greatly reduces the time of power failure due to failure and improves the reliability of the equipment.

(3) switch cabinet can be designed into fixed cabinet and drawer cabinet mixture type, can also be drawer type both retained fixed cabinet concise, practical, cheap, and have drawer volume less, strong function, easy to replace the advantages.

(4) in order to ensure the operation procedures and personal safety of maintenance personnel, a mechanical interlocking mechanism is set in the switch cabinet, and a mechanical interlocking mechanism is set in the drawer unit, door and main switch to make its use more reliable.

(5) the N and PE wires of the switch cabinet are below and behind the opening cabinet. The PE wire is connected with the cabinet frame, which not only makes the outgoing cable more convenient to connect, but also makes the grounding more reliable.

(6) the top and upper and lower ventilation doors of the switchgear cabinet are equipped with ventilation system without lowering the protection level.

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