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NER / NGR 11KV Neutral Earthing Resistor IP23 10A Faulty Current 10S Rated Time

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NER / NGR 11KV Neutral Earthing Resistor IP23 10A Faulty Current 10S Rated Time

Country/Region china
City & Province shenzhen
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Product Details

Neutral Earthing Resistor(NER/NGR) is suitable for the operation mode of neutral point grounding through resistance, and is widely used in transformers or generators of 6-66KV AC power grids such as power plant power system, substation power supply system, industrial and mining enterprise power distribution system, etc. on the neutral point.

11KV Neutral Earthing Resistor, NER/NGR, IP23 Protection Grade, 10A Faulty Current And 10 Seconds Rated Time

Operation Environment

  • Installation location: Altitude≤1000M.

  • The highest ambient air temperature does not exceed +40°C, and the lowest air temperature does not lower than -15°C.

  • Environmental humidity: daily average relative humidity ≤ 95%, monthly average relative humidity ≤ 90%.

  • The surrounding air should not be significantly polluted by corrosive or flammable gases, water vapor, etc.

  • No serious pollution and frequent violent vibrations.

 

Related Standard

  • DL/T780-2001

  • DL/T620-1997

  • GB/T16927

  • GB1208-1997

  • GB4208-93

  • IEEE32-1972

 

Selection of Common models

 

 

System voltage

(KV)

NER Rated voltage (KV)Rated short time fault current (A)

Time

(S)

Resistance(Ω)

 

RSTNER6.0-100-106.03.461001034.6
RSTNER6.0-200-106.03.462001017.3
RSTNER6.0-400-106.03.46400108.6
RSTNER6.0-600-106.03.46600105.7
RSTNER6.3-100-106.33.641001036.4
RSTNER6.3-200-106.33.642001018.2
RSTNER6.3-400-106.33.64400109.1
RSTNER6.3-600-106.33.64600106.0
RSTNER10.5-200-1010.56.02001030
RSTNER10.5-400-1010.56.04001015
RSTNER10.5-600-1010.56.06001010
RSTNER10.5-1000-1010.56.01000106
RSTNER22-400-102212.74001031.7
RSTNER22-600-102212.76001021.2
RSTNER22-1000-102212.710001012.7
RSTNER35-400-1035204001050
RSTNER35-600-1035206001033.3
RSTNER35-800-1035208001025
RSTNER35-1000-10352010001020
RSTNER35-1250-10352012501016
RSTNER35-1600-10352016001012.5
RSTNER35-2000-10352020001010
RSTNER66-1000-10663810001038
RSTNER66-1250-10663812501030.4
RSTNER66-1600-10663816001023.7
RSTNER66-2000-10663820001019

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