Product Description:

1.This product uses a vacuum interrupter to extinguish the arc, with stable and reliable performance, long electrical life, high breaking times, strong closing and breaking capabilities, and easy operation and maintenance;

2.Integrate the switch body and the operating mechanism into one, integrating isolating switch, load switch and grounding switch, with compact structure and small volume;

3.The direct-acting isolation fracture and the vacuum interrupter are arranged in series, and the dynamic and thermal stable current parameters are high; the unique linkage according to the prescribed operating procedures can complete the operation at one time;

4.The tapered static contact, insulating cover and valve structure completely separate the busbar and the load switch unit;

5.The vacuum load switch, grounding switch, valve, and switch cabinet door are strictly interlocked according to the “five preventions” to prevent misoperation and are safe and reliable;

6.The operating mechanism of spring energy storage type can be opened and closed electrically, and can also be opened and closed manually, which is convenient to realize the three remote control requirements;

7.The switching power supply can be used for both AC and DC;

8.The manual opening and closing operation is usually on the right side of the load switch, and front or left operation can also be provided according to user needs.

Item Meaning:

Structure Feature:

1.The switch is a modular product: the frame structure is compact, and the isolation, vacuum load, fuse and grounding are integrated.

2.Small size: in the opening and closing state, the width of the switch is ≤ 299mm.

3.High parameters: the rated current of the switch reaches 1250A, and the rated current of the combined electrical appliance reaches 200A, which can protect a 2000kVA transformer.

4.Easy to operate, visible fracture: The switch can be equipped with an electric operating mechanism for electric and manual use, and can be equipped with auxiliary switches, shunt excitation and overcurrent releases; the incoming line isolation switch is linked with the grounding switch, and the grounding switch is separated After that, the incoming line isolating switch will be closed in the same action; the rotary isolating switch has a visible fracture after opening; there is a mechanical interlock between the vacuum load switch and the isolating (grounding) switch to prevent misoperation and ensure the isolating switch is closed The vacuum load switch can be closed at the rear, and the isolation switch can be opened only after the vacuum load switch is opened; and the opening and closing speed of the switch is not affected by the size of the manual operation; the anti-mistake mechanism is set to meet the “five preventions” requirements of the complete set of high-voltage equipment.

5.Low environmental requirements and high mechanical life.

Mean Technical Parameters: