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Disconnector-MGN27-40

Disconnector MGN27-40.5

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Description

 

Model MGN27-40.5 is indoor three-pole disconnector for power distribution equipment, designed to turn on and off de-energized sections of the electrical circuit with a rated voltage of 35 kV and an alternating current frequency of 50 and 60 Hz.

Rated voltage, kV: 35

Maximum working voltage, kV: 40.5

Rated current, A: 630, 1250

 

Operating conditions of MGN27-40.5:

  1. Altitude: up to 2000 m.
  2. Ambient temperature: from -15 ° C to + 40 ° C.
  3. Humidity: the average value of relative humidity during the day is not more than 95%; the average value of relative humidity during the month is not more than 90%.
  4. Seismic resistance up to 8 points.
  5. Environment is not explosive, does not contain dust, aggressive gases and vapors in concentrations that destroy metal and insulation.
  6. Lifetime — 20-25 years.
  7. Warranty period from the date of commissioning — 2 years.
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Parameters

 

Parameters of MGN27-40.5:

Model Rated
Voltage（kv）		 Max
Voltage（kv）		 Rated
Current（kv）		 Rated peak
withstand current（kA）		 4s short-time
withstand current（kA）
MGN27-35(C)(D)/630 35 40.5 630 20 50
MGN27-35(C)(D)/1250 1250 31.5 80
MGN27-35(C)(D)/2000 2000 40 1000

 

Overall Dimensions of MGN27-40.5:

Disconnector MGN27-40.5-2

 

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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.

 

Variant of execution (modification) MGN27-40.5:

Disconnector MGN27-40.5-3

Features:

  1. Scientific design and innovative structure.
  2. Multi contacts, rotary contacting, auto-cleaning capacity and effective cooling.
  3. Contacting points distribute on two planes, small operating moment and good pressure withstand capacity as well as easy of adjustment.
  4. Applicable when creep age distance, insulating capacity and withstand voltage are all on the highest level.
  5. Axletree is fabricated on the rotary axle so as to prolong lifetime of apparatus and to simplify operation.

Disconnector MGN27-40.5-4

MGN27-40.5 used for connect and switch the circuit with voltage without load.

This disconnect switch equipped with CS6-2 manual/handle operating mechanism, D series equipped with CS6-1 manual/handle operating mechanism.

 

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