China Wholesale JN17 Earthing Switch Factory – JN22-40.5/31.5 Series High Voltage Earthing Switch – Timetric

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China Wholesale JN17 Earthing Switch Factory – JN22-40.5/31.5 Series High Voltage Earthing Switch – Timetric Detail:

Product definition

Model:	JN22-40.5/31.5-□

JN	22	40.5	31.5	□
Indoor earthing switch	Design No.	Maximum volage (KV)	4S thermalstabliy currnt (KA)	Central distance between polesImm)

Introduction

JN22-40.5/31.5 series indoor HV earthing switch is researched and developed by XI’AN HV Electric research organization, with advanced design and steady performance,simple structures, simple mounting end adjustment suitable for electric power system with 40 5KV. Three- phase. AC 50Hz.As an earthing protection, it can be used in KYN□- 40.5 or other kinds of switchgears, also play a protective role in the high voltage electrical equipment overhaul. It is complied with GB 1985-2004 and IEC129 standard.

Working condition

●Altitude：≤1000m；

●Ambient temperoture：-10℃ ~+40℃ ；

●Earthquake intensity：≤8 degree；

●Appliable in the place without corrosive, flammable gas and water place

Mainly technical specification

No.	ltem		Unit	Data
1	Rated voltage		KV	35
2	Maximum voltage		KV	40.5
3	Rated short time withstand current		KA	31.5
4	Rated short circuit withstand time		S	4
5	Rated short circuit making current		KA	80
6	Rated peak withstand current		KA	80
7	Rated insulation level	I main power frequency withstand voltage	KV	95
7	Rated insulation level	Lightning Impulse withstand voltage	KV	185
8	Central distonee between poles		MM	300；350；400

Outline overall and installing dimensions

Order notes:

1.Indicate product specification, rated voltage stability current, central distance between poles.

2.ifbevel gear mechanism needed,please indicate right or left operation mechanism according to the operation position shows in the drawing above.

3.If sensors with electric display device needed, please indicate type NO. 4.Please consult us if any special request.

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