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Disconnector-MGW1-12

Disconnector MGW1-12

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Description

 

Models MGW1-12, 24, 40.5  are outdoor disconnectors, designed to turn on and off de-energized sections of the electrical circuit with a rated voltage of 10 kV, 20 kV or 35 kV and an alternating current frequency of 50 and 60 Hz. The special version can be used in severe pollution areas.

 

Environmental conditions

Height: <3000m;

Ambient temperature: -30 ° С- + 40 ° С;

Wind speed: <35 m / s;

Air pollution: IV;

Earthquake intensity: <8 degrees;

Ice thickness: <10 mm.

Disconnector MGW1-12-2

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Parameters

 

Technical Specifications for MGW1-12 Disconnector:

№. Element Unit Data
1 Rated voltage, kV kV 10, 20, 35
2 Maximum operating voltage kV 12, 24, 40.5
3 Rated current A 630, 1000, 1250
4 Rated industrial frequency Hz 50/60
5 Rated peak withstand current kA 50, 63
6 Rated short-time withstand current kA 20, 25
7 Rated short-time withstand current s 4
8 Main circuit resistance μOhm 12kV=S80 24kV=S90 40.5kVs=100
9 1 minute (dry) withstand voltage of industrial frequency kV 42/48 50/60 95/115
10 1 minute (wet) withstand voltage of industrial frequency 34 50 85
11 lightning impulse withstand voltage (peak) 75/85 125/145 185/215
12 Switching cycles cycle 2000

 

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Solutions

 

The primary function of a disconnector is to serve as a visual indicator of whether an electrical connection is open or closed; this lets network operators know if the circuit/equipment is either energised or de-energised.

It is important operators can confirm the energised state of the circuit/equipment in order that they can safely perform inspections, maintenance, and repairs, without unnecessary risk.

 

Dimensions of MGW1 Disconnectors (mm)

Модель Dimensions (mm)
B C D E F
MGW1-12/630-20 400 1000 1200 565 510
MGW1-24/630-20 375 395 1155 695 650
MGW1-40.5/630-20 500 1250 1450 815 728

 

Disconnector MGW1-12-3

Vertical (V) 130 °
Horizontal (H) 50 °
Mounting Method A

 

Appearance and dimensions of the disconnector MGW1

Модель A B C D E
MGW1-12D/1250 400 1050 400 590 403
MGW1-24D/1250 450 1160 450 650 530
MGW1-40.5D/1250 500 1300 550 730 620

 

Models with grounding knives

Disconnector MGW1-12-5

Models with grounding knives and lightning arrestor

  1. The housing of the insulating base
  2. Support insulator
  3. Traction insulator
  4. Contacts
  5. Spring
  6. Lightning arrestor
  7. Shaft crank
  8. Contact knife
  9. Grounding knife.

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