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Indoor AC High Voltage Disconnect Switch Indoor Earthing Switch Switch Timetric JN22-40.5/ 31.5 Cabinet Width 1680 Customized
R20,301 Excl VAT
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Product Description
High Quality JN22-40.5/31.5 Series Indoor AC High Voltage Electric Earth Switch in Switchgear
Specification
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Brand Name：
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Timetric
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Certification：
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ISO9001,ISO45001,ISO14001
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Place of Origin:
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Zhejiang, China
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Model Number：
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JN22-40.5/31.5-280
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Rated short-time withstand current：
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31.5KA
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Rated voltage：
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40.5KV
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Product Description
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Model No.
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JN22-40.5/31.5 HV earthing switch
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Standard:
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GB1985-2004(AC HV disconnect switch and earthing switch)
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Application:
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KYN61-40.5HV switchgear and various types HV switchgear
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Main function:
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As a grounding protection for high-voltage equipment maintenance
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Central distance between poles:
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280mm/300mm/350mm/400mm/440mm
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The main technical parameters:
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Item
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Unit
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Data
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||
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Rated voltage:
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KV
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35
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||
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Maximum voltage:
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KV
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40.5
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Rated short-time withstand current:
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KA
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31.5
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||
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Rated short-circuit duration:
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S
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4
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||
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Rated short-circuit making current:
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KA
|
80
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||
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Rated peak withstand current:
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KA
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80
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||
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Rated insulation level
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PE withstand voltage(1min)
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KV
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Phase to earth Phase to phase
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95
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Lightning impulse withstand voltage
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185
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|||
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Mechanical endurance
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Time
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2000
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Summary
JN22-40.5/31.5 indoor AC high voltage disconnect switch is an advanced level product with high tech parameters performance.After comprehensive evaluation,it conforms to GB1985 AC HV disconnect switch and earthing switch,applies to power system of 40.5kV and AC 50Hz.Can be used with KYN61-40.5 and other types high voltage switchgear,also play a protective role in the high-voltage electrical equipment overhaul.
Ambient condition:Altitude: ≤1000m;Ambient temperature: -25°C~+40°C;Earthquake intensity: ≤8 degree;Relative humidity: daily average ≤ 95%, monthly average ≤ 90%Pollution degree: II
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