JN22-40.5/31.5 Indoor HV Earthing Switch|YUEQING COPEN ELECTRIC CO.,LTD.

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JN22-40.5/31.5 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
JN22-40.5/31.5 Indoor HV Earthing Switch is used for 3 phase rated voltage 40.5kV, AC 50Hz power system , high voltage switchgear with KYN61-405, high voltage electrical equipment maintenance as the use of ground fault protection. The switch conforms to the national standard GB1985-2004 " AC high voltage disconnectors and earthing switches" and IEC62271-102.

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)		35
Max. voltage (kV)		40.5
Rated short-time withstand current(thermal stability) (kA)		31.5
Rated short-circuit duration (s)		4
Rated short-circuit making current (kA)		80
Rated peak withstand current (dynamic stability) (kA)		80
Inter-pole center distance (mm)		350, 400
Rated insulation level	1min.PF withstand voltage (kV)	95
	Lightning impulse withstand voltage (kV)	185