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Low Voltage Switchgear Equipment

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MB4000-TA welding switchgear

MB4000-TA welding switchgear is suitable for AC 50HZ, rated voltage 480V, rated working current to 4000A power distribution system, as power and other equipment. This switchgear meets the GB/T7251.12-2013 "low voltage switchgear and control equipment" and other standards.

After the main features:

1. The switch cabinet is mainly composed of a cabinet body, a cabinet door, electrical components, bus, bus bars, insulation support, accessories and other components.

2. The frame of the switch cabinet adopts a welded structure, which has high strength and strong structure. The front door, side plate and top cover of the cabinet are all coated with surface electrostatic powder, and the coating is uniform and beautiful and corrosion resistant.

3. The auxiliary circuit uses line grooves, spiral winding tubes, buckle end belt and so on to fix the wire harness. The wiring harness is evenly arranged and the structure is beautiful and reasonable.

4. The size of the cabinet and the way of import and export can be selected according to the actual needs of the field, and the installation of all kinds of fittings is convenient. The metal parts in the cabinet are connected reliably, and the main grounding points and the grounding signs are protected. The whole cabinet forms a complete grounding protection system, so as to ensure the safety of operation and operation.


All technical parameters:

Serial number

Name

Company

numerical value

One

Rated working voltage

V

Four hundred and eighty

Two

Rated insulation voltage (main circuit / sub loop)

V

1000/800

Three

Rated frequency

Hz

Fifty

Four

The main busbar rated current

A

Less than or equal to 4000

Five

The main busbar rated short-time withstand current

KA

Sixty-five

Six

Rated peak tolerance current

KA

One hundred and forty-three

Seven

Auxiliary circuit insulation voltage

V

Four hundred and eighty

Eight

Rated impact tolerance voltage

KA

Six

Nine

Shell protection grade

IP

IP42

Ten

Electrical gap

Mm

More than 10

Eleven

Creeping distance

Mm

More than 16

Twelve

Overvoltage category


III

Thirteen

Class of pollution


Three


This product size:

Beijing

Width (mm)

Height (mm)

Depth (mm)

MB4000-TA

300~1200

400~2400

400~2000

Support By:Youba INC.

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