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JN15 12kv Է´Թ indoor earthing switch


Թ :    JN15 12kv Է´Թ indoor earthing switch
觫 (Order Code) :    TTN00-09434
(Model) :    12kv Է´Թ
(Brand) :    Jucro

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  1. Է´Թ Introduction

JN15 12 kv series indoor high voltage earthing switch is a compositional type, and the technical parameters is corresponding to the requirements of IEC62271-102:2002. It is applicable for three-phase power system of 3-12kv, AC 50HZ. It can be used together with many types high voltage switchgear as a earthing protection unit.

 

  1. Applicable environment

2.1   Altitude should not exceed 1000 m

2.2   The ambient temperature: -25?~ +40?

2.3   The seismic intensity should not exceed 8 degree.

2.4   Relative humidity should not exceed 95%, monthly average value should not exceed 90%.

2.5   Pollution degree: ?

 

Main technical parameters

Item

Unit

Data

Rated voltage

KV

12

Rated short-time withstand current

KA

31.5

Rated short-circuit duration time

S

4

Rated making current

KA

80

Rated withstand current(peak value)

KA

80

Pole to pole distance

mm

150,210,230,250,275

Rated insulation level

Power frequency

withstand voltage(1 min)

KV

To earth, phase to phase

42,48
         

 

Dimensions

Model No.

L

E

C

JN15-12/31.5-210

655

210

516

JN15-12/31.5-230

710

230

556

JN15-12/31.5-250

760

250

596

JN15-12/31.5-275

810

275

646

 



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