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JN17-12 Combined Grounding Switch
  • JN17-12 Combined Grounding SwitchJN17-12 Combined Grounding Switch

JN17-12 Combined Grounding Switch

XUCKY Electric brand’s Jn17-12 Combined Grounding Switch is new circuit breakers which have been designed and developed by the company using international advanced technology. JN17-12/40 (old type is JN15-12/40) series indoor high voltage earthing switch is a new design and improved product of us according to the ESI type, the structure is assembled, suitable with electric power system with 3-10KV, Three-phase, AC 501601Hz, support with various kinds of HV switchgear and earthing protection. It is complied with GB1985-2004 and IEC129 standard.

Product definition of JN17-12 Combined Grounding Switch

Jn17-12,40 Combined Grounding Switch


Introduction

JN17-12 series indoor high voltage earthing switch is a new design and improved product of us according to the ESI type, the structure is assembled, suitable with electric power system with 3-10KV, Three-phase, AC 501601Hz, support with various kinds of HV switchgear and earthing protection. It is complied with GB1985-2004 and IEC129 standard.


Working condition of JN17-12 Combined Grounding Switch

1. Ambient temperature: -10°C 一+40°C

2. Allitude: 1000m Isensor heighi:140mm)

3. Relative humidity: Day average relative humidity w 95% Month average relative humidity w <90%

4. Earthquake intensity: w 8degree

5. Dirtiness degree: II


Mainly technical parameters of JN17-12 Combined Grounding Switch

Item

Unit

Data


Rated voltage

KV

12


Rated short time withstand current (thermal stability)

KA

40


Rated short circuit withstand time

S

4


Rated short circuit making current

KA

100


Rated peak withstand current (dynamic stability)

KA

100

Rated insulation leve

Rated short time power frequency withstand voltage

KV

42

Rated lightning impulse withstand voltage

75


Machinery Life

time

2000


JN17-12/40earthing switch(ES-10/31.5) Outline and installation dimension

Jn17-12,40 Combined Grounding Switch


Copper terminal block

Jn17-12,40 Combined Grounding Switch


Hole location diagram

Jn17-12,40 Combined Grounding Switch


Specification

E

F

G

H

D

JN17-12/40-210

210

50

185

655

516

JN17-12/40-220

220

50

185

675

536

JN17-12/40-230

230

50

85

695

556

JN17-12/40-250

250

50

185

735

596

JN17-12/40-275

275

50

210

810

646


Order notesdndicate product specification, central distance between poles, if the electric display deviceltype ot me displaylneeded or not Please note the soft link length when ordering (normal L=250mm).





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