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GW5-40.5KV outdoor high voltage isolating switch
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GW5-40.5KV outdoor high voltage isolating switch

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Number of views:
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Introduction to the structure

1) The isolator is a double column horizontal open disconnector. Made of single-pole type, when the three-level synchronization, the pole is connected with a connecting rod. Each monopole is composed of base, pillar insulator, outlet seat and contact parts, two pillar insulation porcelain bottles are installed in parallel with each other on both sides of the base bearing, and perpendicular to the base. The main conductive parts are mounted on two pillars of insulated porcelain, with about 90 ° above the pillar insulation porcelain.

2) The isolation switch is equipped with shaft assembly in each axle seat, and the two-axis assembly is connected by connecting plate, adjusting screw

3) The copper braid in the outlet is fastened to the conductive rod and the terminal block, and the wiring board is for the user to connect the line

4) The middle contact part of the contact with the fingers of the assembly, the use of external pressure or self-type finger, in the form of turn into the type to reduce the points, closing contact between the contact and wear, improve service life

5) When the grounding switch is equipped with a grounding switch, the umbrella plate and the curved plate on the base of the main conductive circuit and the grounding switch ensure that the grounding switch can not be closed when the main conductive circuit is closed, and the grounding switch can not be closed , The main conductive circuit can not be closed. With CS8-6D or CS17-type when the isolation switch and grounding switch interlocking by the mechanism of the chain to achieve

Features

1) isolation switch with double column in the open, contact into the structure, with the ability to automatically clean the contact, improve the contact reliability

2) Touch the use of high strength, high conductivity, high elasticity of the new material manufacturing. Rely on the touch of their own elastic clamping contacts, to avoid the current due to spring corrosion, heat annealing caused by the contact clamping force decreases, contact resistance increases, the contact heat intensified vicious cycle

3) The disengagement switch is designed to be maintenance-free. Rotary design into a sealed structure, moisture, dust, harmful gases can not enter, so that bearings, molybdenum disulfide always work in a good working environment, the bearings never rust, grease can not be lost, never dry up, so that isolation switch long The operating force after the operation will not increase. Using stainless steel shaft pin and oil-free self-lubricating bearings match the structure; steel parts using hot-dip galvanizing to ensure that the isolation switch operation is flexible, lightweight, reliable, never rust.

Refine the characteristics of the isolation switch

1) all the use of hot-dip galvanizing process anti-corrosion treatment, hot-dip galvanizing can not guarantee with the requirements of the rotating parts are generally used stainless steel, fasteners M8 following the use of stainless steel, the rest are hot-dip galvanized

2) conductive part of the copper tube soft connection, the middle of the contact for the "handshake" type of self-type finger, spring outside the pressure without current through the isolation switch only the middle of a contact point, the rest are fixed with a soft connection.

A new contact structure, the contact with one end of the contact with the fixed, by the contact deformation and spring contact pressure, so that the end of the touch finger to fixed contact to improve the reliability of the conductive

B finger spring to external to avoid spring diversion

C on-site users without welding, no need to provide auxiliary materials, only to provide installation bracket (when ordering with a bracket and height)

3) The rotating part is equipped with self-lubricating sleeve, without grease

4) The main terminal is flat type

5) switch with pillar insulator strength density, stable and reliable, the formula used in high-strength porcelain manufacturing, reducing the strength of the product dispersion, an increase of the product tensile strength, structural design to the product has a greater strength So that the product in the operation to ensure stable and reliable.

 

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