JN15-12 Type Ground Protection Isolation Switch for Below 12kV 50Hz Power System Disconnector

Classification:Isolation switch

Inside Road & Administration Industry & Trading Garden,Houshan Industry Area,Fuzhou City,Fujian Province

0591-22806687 0591-22806697

0591-22806667

bs@china-grid.com.cn

Overview
Description:

The performance of JN15-12 high-voltage grounding switch complies with GB1985-89 《AC high-voltage isolating switch and grounding switch》 and IEC129 requirements. It is applicable to 12kV and below AC 50Hz power system. It can be used with various types of high-voltage switchgear as grounding. For protection.

Advanced design, reliable technical performance; simple structure, convenient installation and commissioning; fast separation and integration capabilities.

Use conditions:

Altitude does not exceed 1000m; ambient air temperature: upper limit +40 °C: lower limit -10 °C

It is allowed to store and transport at 30 °C; the seismic intensity does not exceed 8 degrees; there is no flammable, explosive, severe dust, chemical corrosion and severe vibration.

Technology:
Project Unit Data
Rated voltage KV 12
Rated short-time withstand current KA 31.5
Rated short circuit duration S 4
Rated short circuit closing current KA 80
Rated peak withstand current KA 80
Center distance between poles mm 150,210,230,250,275
Rated insulation level 1minPower frequency withstand voltage KV Ground、interphase/inter Pole 42/48 75/85
Lightning impulse withstand voltage


Outline drawing:
Type 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
Contact Us
0591-22806687 0591-22806697
0086-13950298099
0591-22806667
Inside Road & Administration Industry & Trading
      Garden,Houshan Industry Area,Fuzhou City,Fujian Province
Sampras@china-grid.com.cn
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