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Current position: PRODUCTS  /   SPECIAL ELECTRICAL APPARATUS  /   Indoor middle voltage AC. isolator and earth switch 12KV~40.5KV  /  

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JN15-12 indoor HV earthing switch

JN15-12 indoor HV earthing switch

JN15-12 indoor HV earthing switch

Product Description JN15-12 indoor HV earthing switch absorbs advanced new technics from domestic and abroad. It conforms to GB1985 AC HV disconnect switch and earth switch, relative standards IEC60129 and passes KEMA test. The apparatus applies to p
Published in2018-08-20
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Detailed description

Product Description

JN15-12 indoor HV earthing switch absorbs advanced new technics from domestic and abroad. It conforms to GB1985 AC HV disconnect switch and earth switch, relative standards IEC60129 and passes KEMA test. The apparatus applies to power system of rating below 12kV/40.5kV,and AC 50/60Hz,It is suitable for various types HV switchgear for earthing protection. The holistic earthing switch consists of basis,supporting insulator,main axis,main blade,fast spring,fixed and moving contact,Additional electronic display is also available according to the user's requirement.

rated?voltage 12kV
rated?short?time?tolerance?current 31.5kA
rated?short?circuit?duration?time 4s
rated?short?circuit?closing?current 80kA
rated?peak?value??tolerance?current 80kA
1min?working?voltage?tolerance 42kV
lightning?impulse?voltage?tolerance 75kV
rated?frequency 50HZ/60HZ
mechanical?life 10000times


Normal Service Conditions:


1 The altitude does not exceed 1000m.
2 The ambient air temperature: Maximum+40°C:Minimum: General Area-30°C, Paramos-40°C.
3 The wind pressure does not exceed 700Pa.
4 The earthquake intensity does not exceed 8 degrees.
5 The working situation without frequent violent vibration.
6 The installation site of ordinary type isolator should be kept away from gas, smoke chemical deposition, salt-spray-fog, dust and other and corrosive maters that affect seriously insulation and conuction capability of the isolator.
7 Pollution-proof type isolator is applies to severe filthy conduction area
8 It shouldn't be any explosive matters and matters causing fire.




rated voltage 12kV rated short time tolerance current 31.5kA rated short circuit duration time 4s rated short circuit closing current 80kA rated peak value? tolerance current 80kA 1min working voltage tolerance 42kV lightning impulse voltage tolerance 75kV rated frequency 50HZ/60HZ mechanical life 10000times

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