JN15-12 indoor HV earthing switch|YUEQING COPEN ELECTRIC CO.,LTD.

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JN15-12 indoor HV earthing switch

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Lead time: Sample is available in 2-3 working days;
The regular order will be usually 20-30 working days after receipt of 30% advance payment

Quality Guarantee: We offer 18 months’ warranty period, and 20 years’ quality guarantee period

Payment Terms: T/T, L/C, Western Union or Paypal

Trade term: FOB or CIF prices

We’re professional OEM manufacturer, and also accept the customized products according to the supplied drawings or parameters

Description
JN15-12 indoor HV earthing switch is applied to power system of rate voltage 12kV/40.5kV, and AC 50/60Hz. It is suitable for various types HV switchgear for earthing protection.
The whole earthing switch consists of chassis, supporting insulator, main axis, main blade, fast spring, fixed and moving contact. Additional electronic display is also available according to the requirement. It conforms to GB1985 AC HV disconnect switch and earth switch, relative standards IEC60129 and passes KEMA test

Environment condition
- Ambient temperature: -25℃~+40℃
- Altitude: ≤1000m
- Relative humidity: monthly average ≤90%; daily average: ≤95%
- Earthquake intensity: ≤8 degree

Technical Data

Rated voltage (kV)		12	40.5
Rated short-time withstand current (thermal stability) (kA)		31.5	31.5
Rated short-circuit duration (s)		4	4
Rated short-circuit making current (kA)		80,100,125	80
Rated peak withstand current (dynamic stability) (kA)		80,100,125	80
Central distance between poles (mm)		150,165,210,230,250,275	350,385,460
Rated insulation level	1min.PF withstand voltage (kV)	42/49	95
	Lightning impulse withstand voltage (kV)	75/85	185
Mechanical lift (Times)		2000